spanification: WebAssociatedURLLoaderClient

Pass a span<const char> to DidReceiveData().

Bug: 351564777
Change-Id: Iccf9c41cf7af89b913870ba60acff5e18fe29114
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5829129
Commit-Queue: Fredrik Söderquist <fs@opera.com>
Reviewed-by: Derek Schuff <dschuff@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
Reviewed-by: Dave Tapuska <dtapuska@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1351934}

components/nacl/renderer/file_downloader.cc

@@ -50,14 +50,13 @@ void FileDownloader::DidReceiveResponse(const blink::WebURLResponse& response) {
     progress_cb_.Run(total_bytes_received_, total_bytes_to_be_received_);
 }
 
-void FileDownloader::DidReceiveData(const char* data, int data_length) {
+void FileDownloader::DidReceiveData(base::span<const char> data) {
   if (status_ == SUCCESS) {
-    if (UNSAFE_TODO(file_.Write(total_bytes_received_, data, data_length)) ==
-        -1) {
+    if (file_.Write(total_bytes_received_, base::as_bytes(data)) == -1) {
       status_ = FAILED;
       return;
     }
-    total_bytes_received_ += data_length;
+    total_bytes_received_ += data.size();
     if (!progress_cb_.is_null())
       progress_cb_.Run(total_bytes_received_, total_bytes_to_be_received_);
   }

components/nacl/renderer/file_downloader.h

@@ -50,7 +50,7 @@ class FileDownloader : public blink::WebAssociatedURLLoaderClient {
  private:
   // WebAssociatedURLLoaderClient implementation.
   void DidReceiveResponse(const blink::WebURLResponse& response) override;
-  void DidReceiveData(const char* data, int data_length) override;
+  void DidReceiveData(base::span<const char> data) override;
   void DidFinishLoading() override;
   void DidFail(const blink::WebURLError& error) override;
 

components/nacl/renderer/manifest_downloader.cc

@@ -41,14 +41,14 @@ void ManifestDownloader::DidReceiveResponse(
   status_code_ = response.HttpStatusCode();
 }
 
-void ManifestDownloader::DidReceiveData(const char* data, int data_length) {
-  if (buffer_.size() + data_length > kNaClManifestMaxFileBytes) {
+void ManifestDownloader::DidReceiveData(base::span<const char> data) {
+  if (buffer_.size() + data.size() > kNaClManifestMaxFileBytes) {
     pp_nacl_error_ = PP_NACL_ERROR_MANIFEST_TOO_LARGE;
     buffer_.clear();
   }
 
   if (pp_nacl_error_ == PP_NACL_ERROR_LOAD_SUCCESS)
-    buffer_.append(data, data_length);
+    buffer_.append(data.data(), data.size());
 }
 
 void ManifestDownloader::Close() {

components/nacl/renderer/manifest_downloader.h

@@ -48,7 +48,7 @@ class ManifestDownloader : public blink::WebAssociatedURLLoaderClient {
 
   // WebAssociatedURLLoaderClient implementation.
   void DidReceiveResponse(const blink::WebURLResponse& response) override;
-  void DidReceiveData(const char* data, int data_length) override;
+  void DidReceiveData(base::span<const char> data) override;
   void DidFinishLoading() override;
   void DidFail(const blink::WebURLError& error) override;
 

components/nacl/renderer/ppb_nacl_private_impl.cc

@@ -1633,12 +1633,11 @@ class PexeDownloader : public blink::WebAssociatedURLLoaderClient {
     url_loader_->SetDefersLoading(false);
   }
 
-  void DidReceiveData(const char* data, int data_length) override {
+  void DidReceiveData(base::span<const char> data) override {
     if (content::PepperPluginInstance::Get(instance_)) {
       // Stream the data we received to the stream callback.
-      stream_handler_->DidStreamData(stream_handler_user_data_,
-                                     data,
-                                     data_length);
+      stream_handler_->DidStreamData(stream_handler_user_data_, data.data(),
+                                     base::checked_cast<int32_t>(data.size()));
     }
   }
 

content/renderer/pepper/pepper_plugin_instance_impl.cc

@@ -443,7 +443,7 @@ PepperPluginInstanceImpl::ExternalDocumentLoader::~ExternalDocumentLoader() {}
 void PepperPluginInstanceImpl::ExternalDocumentLoader::ReplayReceivedData(
     WebAssociatedURLLoaderClient* document_loader) {
   for (auto it = data_.begin(); it != data_.end(); ++it) {
-    document_loader->DidReceiveData(it->c_str(), it->length());
+    document_loader->DidReceiveData(*it);
   }
   if (finished_loading_) {
     document_loader->DidFinishLoading();
@@ -454,9 +454,8 @@ void PepperPluginInstanceImpl::ExternalDocumentLoader::ReplayReceivedData(
 }
 
 void PepperPluginInstanceImpl::ExternalDocumentLoader::DidReceiveData(
-    const char* data,
-    int data_length) {
-  data_.push_back(std::string(data, data_length));
+    base::span<const char> data) {
+  data_.push_back(std::string(data.data(), data.size()));
 }
 
 void PepperPluginInstanceImpl::ExternalDocumentLoader::DidFinishLoading() {

content/renderer/pepper/pepper_plugin_instance_impl.h

@@ -478,7 +478,7 @@ class CONTENT_EXPORT PepperPluginInstanceImpl
     void ReplayReceivedData(WebAssociatedURLLoaderClient* document_loader);
 
     // blink::WebAssociatedURLLoaderClient implementation.
-    void DidReceiveData(const char* data, int data_length) override;
+    void DidReceiveData(base::span<const char> data) override;
     void DidFinishLoading() override;
     void DidFail(const blink::WebURLError& error) override;
 

content/renderer/pepper/pepper_url_loader_host.cc

@@ -178,13 +178,13 @@ void PepperURLLoaderHost::DidDownloadData(uint64_t data_length) {
   UpdateProgress();
 }
 
-void PepperURLLoaderHost::DidReceiveData(const char* data, int data_length) {
+void PepperURLLoaderHost::DidReceiveData(base::span<const char> data) {
   // Note that |loader| will be NULL for document loads.
-  bytes_received_ += data_length;
+  bytes_received_ += data.size();
   UpdateProgress();
 
   auto message = std::make_unique<PpapiPluginMsg_URLLoader_SendData>();
-  message->WriteData(data, base::checked_cast<size_t>(data_length));
+  message->WriteData(data.data(), data.size());
   SendUpdateToPlugin(std::move(message));
 }
 

content/renderer/pepper/pepper_url_loader_host.h

@@ -53,7 +53,7 @@ class PepperURLLoaderHost : public ppapi::host::ResourceHost,
                    uint64_t total_bytes_to_be_sent) override;
   void DidReceiveResponse(const blink::WebURLResponse& response) override;
   void DidDownloadData(uint64_t data_length) override;
-  void DidReceiveData(const char* data, int data_length) override;
+  void DidReceiveData(base::span<const char> data) override;
   void DidFinishLoading() override;
   void DidFail(const blink::WebURLError& error) override;
 

content/renderer/pepper/pepper_webplugin_impl.cc

@@ -244,7 +244,7 @@ void PepperWebPluginImpl::DidReceiveData(base::span<const char> data) {
   blink::WebAssociatedURLLoaderClient* document_loader =
       instance_->document_loader();
   if (document_loader)
-    document_loader->DidReceiveData(data.data(), data.size());
+    document_loader->DidReceiveData(data);
 }
 
 void PepperWebPluginImpl::DidFinishLoading() {

pdf/loader/url_loader.cc

@@ -209,15 +209,15 @@ void UrlLoader::DidDownloadData(uint64_t data_length) {
 }
 
 // Modeled on `content::PepperURLLoaderHost::DidReceiveData()`.
-void UrlLoader::DidReceiveData(const char* data, int data_length) {
+void UrlLoader::DidReceiveData(base::span<const char> data) {
   DCHECK_EQ(state_, LoadingState::kStreamingData);
 
   // It's surprisingly difficult to guarantee that this is always >0.
-  if (data_length < 1)
+  if (data.empty()) {
     return;
+  }
 
-  // TODO(crbug.com/40284755): spanify to fix the errors.
-  buffer_.insert(buffer_.end(), data, UNSAFE_TODO(data + data_length));
+  buffer_.insert(buffer_.end(), data.begin(), data.end());
 
   // Defer loading if the buffer is too full.
   if (!deferring_loading_ && buffer_.size() >= buffer_upper_threshold_) {

pdf/loader/url_loader.h

@@ -144,7 +144,7 @@ class UrlLoader final : public blink::WebAssociatedURLLoaderClient {
                    uint64_t total_bytes_to_be_sent) override;
   void DidReceiveResponse(const blink::WebURLResponse& response) override;
   void DidDownloadData(uint64_t data_length) override;
-  void DidReceiveData(const char* data, int data_length) override;
+  void DidReceiveData(base::span<const char> data) override;
   void DidFinishLoading() override;
   void DidFail(const blink::WebURLError& error) override;
 

pdf/loader/url_loader_unittest.cc

@@ -324,7 +324,7 @@ TEST_F(UrlLoaderTest, DidReceiveData) {
   loader_->ReadResponseBody(buffer, mock_callback_.Get());
   EXPECT_CALL(mock_callback_, Run(kFakeData.size()));
 
-  loader_->DidReceiveData(kFakeData.data(), kFakeData.size());
+  loader_->DidReceiveData(kFakeData);
 
   EXPECT_THAT(buffer, ElementsAreArray(kFakeData));
 }
@@ -336,7 +336,7 @@ TEST_F(UrlLoaderTest, DidReceiveDataWithZeroLength) {
   loader_->ReadResponseBody(buffer, mock_callback_.Get());
   EXPECT_CALL(mock_callback_, Run).Times(0);
 
-  loader_->DidReceiveData(kFakeData.data(), 0);
+  loader_->DidReceiveData(kFakeData.first(0u));
 
   EXPECT_THAT(buffer, Each(0));
 }
@@ -346,7 +346,7 @@ TEST_F(UrlLoaderTest, DidReceiveDataBelowUpperThreshold) {
   EXPECT_CALL(*mock_url_loader_, SetDefersLoading).Times(0);
 
   char buffer[3] = {};
-  loader_->DidReceiveData(buffer, sizeof(buffer));
+  loader_->DidReceiveData(buffer);
 }
 
 TEST_F(UrlLoaderTest, DidReceiveDataCrossUpperThreshold) {
@@ -361,23 +361,23 @@ TEST_F(UrlLoaderTest, DidReceiveDataCrossUpperThreshold) {
   }
 
   char buffer[4] = {};
-  loader_->DidReceiveData(buffer, sizeof(buffer));
+  loader_->DidReceiveData(buffer);
 }
 
 TEST_F(UrlLoaderTest, DidReceiveDataAboveUpperThreshold) {
   StartLoadWithThresholds(/*lower=*/2, /*upper=*/4);
 
   char buffer[4] = {};
-  loader_->DidReceiveData(buffer, sizeof(buffer));
+  loader_->DidReceiveData(buffer);
   EXPECT_CALL(*mock_url_loader_, SetDefersLoading).Times(0);
 
-  loader_->DidReceiveData(buffer, sizeof(buffer));
+  loader_->DidReceiveData(buffer);
 }
 
 TEST_F(UrlLoaderTest, ReadResponseBody) {
   loader_->Open(UrlRequest(), mock_callback_.Get());
   loader_->DidReceiveResponse(blink::WebURLResponse());
-  loader_->DidReceiveData(kFakeData.data(), kFakeData.size());
+  loader_->DidReceiveData(kFakeData);
   EXPECT_CALL(mock_callback_, Run(kFakeData.size()));
 
   char buffer[kFakeData.size()] = {};
@@ -415,7 +415,7 @@ TEST_F(UrlLoaderTest, ReadResponseBodyWithSmallerBuffer) {
 
   loader_->Open(UrlRequest(), mock_callback_.Get());
   loader_->DidReceiveResponse(blink::WebURLResponse());
-  loader_->DidReceiveData(kFakeData.data(), kFakeData.size());
+  loader_->DidReceiveData(kFakeData);
   EXPECT_CALL(mock_callback_, Run(kBufferSize));
 
   char buffer[kBufferSize] = {};
@@ -433,7 +433,7 @@ TEST_F(UrlLoaderTest, ReadResponseBodyWithSmallerBuffer) {
 TEST_F(UrlLoaderTest, ReadResponseBodyWithBiggerBuffer) {
   loader_->Open(UrlRequest(), mock_callback_.Get());
   loader_->DidReceiveResponse(blink::WebURLResponse());
-  loader_->DidReceiveData(kFakeData.data(), kFakeData.size());
+  loader_->DidReceiveData(kFakeData);
   EXPECT_CALL(mock_callback_, Run(kFakeData.size()));
 
   char buffer[kFakeData.size() + 1] = {};
@@ -451,7 +451,7 @@ TEST_F(UrlLoaderTest, ReadResponseBodyWithBiggerBuffer) {
 TEST_F(UrlLoaderTest, ReadResponseBodyWhileLoadComplete) {
   loader_->Open(UrlRequest(), mock_callback_.Get());
   loader_->DidReceiveResponse(blink::WebURLResponse());
-  loader_->DidReceiveData(kFakeData.data(), kFakeData.size());
+  loader_->DidReceiveData(kFakeData);
   loader_->DidFinishLoading();
   EXPECT_CALL(mock_callback_, Run(kFakeData.size()));
 
@@ -482,7 +482,7 @@ TEST_F(UrlLoaderTest, ReadResponseBodyWhileLoadCompleteWithoutData) {
 TEST_F(UrlLoaderTest, ReadResponseBodyWhileLoadCompleteWithError) {
   loader_->Open(UrlRequest(), mock_callback_.Get());
   loader_->DidReceiveResponse(blink::WebURLResponse());
-  loader_->DidReceiveData(kFakeData.data(), kFakeData.size());
+  loader_->DidReceiveData(kFakeData);
   loader_->DidFail(MakeWebURLError(net::ERR_FAILED));
   EXPECT_CALL(mock_callback_, Run(Result::kErrorFailed));
 
@@ -496,7 +496,7 @@ TEST_F(UrlLoaderTest, ReadResponseBodyAboveLowerThreshold) {
   StartLoadWithThresholds(/*lower=*/2, /*upper=*/4);
 
   char write_buffer[5] = {};
-  loader_->DidReceiveData(write_buffer, sizeof(write_buffer));
+  loader_->DidReceiveData(write_buffer);
   EXPECT_CALL(*mock_url_loader_, SetDefersLoading).Times(0);
 
   char buffer[2] = {};
@@ -507,7 +507,7 @@ TEST_F(UrlLoaderTest, ReadResponseBodyCrossLowerThreshold) {
   StartLoadWithThresholds(/*lower=*/2, /*upper=*/4);
 
   char write_buffer[5] = {};
-  loader_->DidReceiveData(write_buffer, sizeof(write_buffer));
+  loader_->DidReceiveData(write_buffer);
   {
     InSequence resume_before_read_callback;
     EXPECT_CALL(*mock_url_loader_, SetDefersLoading(false));
@@ -522,7 +522,7 @@ TEST_F(UrlLoaderTest, ReadResponseBodyBelowLowerThreshold) {
   StartLoadWithThresholds(/*lower=*/2, /*upper=*/4);
 
   char write_buffer[5] = {};
-  loader_->DidReceiveData(write_buffer, sizeof(write_buffer));
+  loader_->DidReceiveData(write_buffer);
 
   char buffer[3] = {};
   loader_->ReadResponseBody(buffer, mock_callback_.Get());

third_party/blink/public/web/web_associated_url_loader_client.h

@@ -5,6 +5,8 @@
 #ifndef THIRD_PARTY_BLINK_PUBLIC_WEB_WEB_ASSOCIATED_URL_LOADER_CLIENT_H_
 #define THIRD_PARTY_BLINK_PUBLIC_WEB_WEB_ASSOCIATED_URL_LOADER_CLIENT_H_
 
+#include "base/containers/span.h"
+
 namespace blink {
 
 class WebURL;
@@ -21,7 +23,7 @@ class WebAssociatedURLLoaderClient {
                            uint64_t total_bytes_to_be_sent) {}
   virtual void DidReceiveResponse(const WebURLResponse&) {}
   virtual void DidDownloadData(uint64_t data_length) {}
-  virtual void DidReceiveData(const char* data, int data_length) {}
+  virtual void DidReceiveData(base::span<const char> data) {}
   virtual void DidFinishLoading() {}
   virtual void DidFail(const WebURLError&) {}
 

third_party/blink/renderer/core/exported/web_media_player_impl_unittest.cc

@@ -826,8 +826,7 @@ class WebMediaPlayerImplTest
     client->DidReceiveResponse(response);
 
     // Copy over the file data.
-    client->DidReceiveData(reinterpret_cast<const char*>(data->data()),
-                           static_cast<int>(data->size()));
+    client->DidReceiveData(base::as_chars(data->AsSpan()));
 
     // If we're pretending to be a streaming resource, don't complete the load;
     // otherwise the DataSource will not be marked as streaming.

third_party/blink/renderer/core/loader/web_associated_url_loader_impl.cc

@@ -259,7 +259,7 @@ void WebAssociatedURLLoaderImpl::ClientAdapter::DidReceiveData(
     return;
   }
 
-  client_->DidReceiveData(data.data(), base::checked_cast<int>(data.size()));
+  client_->DidReceiveData(data);
 }
 
 void WebAssociatedURLLoaderImpl::ClientAdapter::DidFinishLoading(

third_party/blink/renderer/core/loader/web_associated_url_loader_impl_test.cc

@@ -155,10 +155,10 @@ class WebAssociatedURLLoaderTest : public testing::Test,
     did_download_data_ = true;
   }
 
-  void DidReceiveData(const char* data, int data_length) override {
+  void DidReceiveData(base::span<const char> data) override {
     did_receive_data_ = true;
-    EXPECT_TRUE(data);
-    EXPECT_GT(data_length, 0);
+    EXPECT_TRUE(data.data());
+    EXPECT_GT(data.size(), 0u);
   }
 
   void DidFinishLoading() override { did_finish_loading_ = true; }

third_party/blink/renderer/modules/image_downloader/multi_resolution_image_resource_fetcher.cc

@@ -69,14 +69,14 @@ class MultiResolutionImageResourceFetcher::ClientImpl
     DCHECK(!completed_);
     response_ = response;
   }
-  void DidReceiveData(const char* data, int data_length) override {
+  void DidReceiveData(base::span<const char> data) override {
     // The WebAssociatedURLLoader will continue after a load failure.
     // For example, for an Access Control error.
     if (completed_)
       return;
-    DCHECK_GT(data_length, 0);
+    DCHECK_GT(data.size(), 0u);
 
-    data_.append(data, data_length);
+    data_.append(data.data(), data.size());
   }
   void DidFinishLoading() override {
     // The WebAssociatedURLLoader will continue after a load failure.

third_party/blink/renderer/platform/media/multi_buffer_data_source_unittest.cc

@@ -342,7 +342,7 @@ class MultiBufferDataSourceTest : public testing::Test {
     auto data = base::HeapArray<char>::Uninit(size);
     memset(data.data(), 0xA5, size);  // Arbitrary non-zero value.
 
-    data_provider()->DidReceiveData(data.data(), size);
+    data_provider()->DidReceiveData(data);
   }
 
   void ReceiveData(int size) {

third_party/blink/renderer/platform/media/resource_multi_buffer_data_provider.cc

@@ -379,26 +379,26 @@ void ResourceMultiBufferDataProvider::DidReceiveResponse(
   }
 }
 
-void ResourceMultiBufferDataProvider::DidReceiveData(const char* data,
-                                                     int data_length) {
-  DVLOG(1) << "didReceiveData: " << data_length << " bytes";
+void ResourceMultiBufferDataProvider::DidReceiveData(
+    base::span<const char> data) {
+  DVLOG(1) << "didReceiveData: " << data.size() << " bytes";
   DCHECK(!Available());
   DCHECK(active_loader_);
-  DCHECK_GT(data_length, 0);
+  DCHECK_GT(data.size(), 0u);
 
   if (bytes_to_discard_) {
-    uint64_t tmp = std::min<uint64_t>(bytes_to_discard_, data_length);
-    data_length -= tmp;
-    data += tmp;
+    uint64_t tmp = std::min<uint64_t>(bytes_to_discard_, data.size());
+    data = data.subspan(static_cast<size_t>(tmp));
     bytes_to_discard_ -= tmp;
-    if (data_length == 0)
+    if (data.empty()) {
       return;
+    }
   }
 
   // When we receive data, we allow more retries.
   retries_ = 0;
 
-  while (data_length) {
+  while (!data.empty()) {
     if (fifo_.empty() || fifo_.back()->data_size() == block_size()) {
       fifo_.push_back(base::MakeRefCounted<media::DataBuffer>(
           static_cast<int>(block_size())));
@@ -406,13 +406,12 @@ void ResourceMultiBufferDataProvider::DidReceiveData(const char* data,
     }
     int last_block_size = fifo_.back()->data_size();
     auto to_append =
-        std::min<int64_t>(data_length, block_size() - last_block_size);
+        std::min<int64_t>(data.size(), block_size() - last_block_size);
     DCHECK_GT(to_append, 0);
-    memcpy(fifo_.back()->writable_data() + last_block_size, data,
+    memcpy(fifo_.back()->writable_data() + last_block_size, data.data(),
            static_cast<size_t>(to_append));
-    data += to_append;
+    data = data.subspan(static_cast<size_t>(to_append));
     fifo_.back()->set_data_size(static_cast<int>(last_block_size + to_append));
-    data_length -= to_append;
   }
 
   url_data_->multibuffer()->OnDataProviderEvent(this);

third_party/blink/renderer/platform/media/resource_multi_buffer_data_provider.h

@@ -60,7 +60,7 @@ class PLATFORM_EXPORT ResourceMultiBufferDataProvider
   void DidSendData(uint64_t bytesSent, uint64_t totalBytesToBeSent) override;
   void DidReceiveResponse(const WebURLResponse& response) override;
   void DidDownloadData(uint64_t data_length) override;
-  void DidReceiveData(const char* data, int data_length) override;
+  void DidReceiveData(base::span<const char> data_length) override;
   void DidFinishLoading() override;
   void DidFail(const WebURLError&) override;
 

third_party/blink/renderer/platform/media/resource_multi_buffer_data_provider_unittest.cc

@@ -185,12 +185,13 @@ class ResourceMultiBufferDataProviderTest : public testing::Test {
 
   // Helper method to write to |loader_| from |data_|.
   void WriteLoader(int position, int size) {
-    loader_->DidReceiveData(reinterpret_cast<char*>(data_ + position), size);
+    loader_->DidReceiveData(
+        base::as_chars(base::span(data_).subspan(position, size)));
   }
 
   void WriteData(int size) {
     auto data = base::HeapArray<char>::Uninit(size);
-    loader_->DidReceiveData(data.data(), size);
+    loader_->DidReceiveData(data);
   }
 
   // Verifies that data in buffer[0...size] is equal to data_[pos...pos+size].