Move PDFium libfuzzers to pdf/pdfium/fuzzers.

Also adds a JPX fuzzer.

BUG=591789

Review URL: https://codereview.chromium.org/1820353002

Cr-Commit-Position: refs/heads/master@{#383072}

pdf/BUILD.gn

@@ -42,7 +42,10 @@ static_library("pdf") {
   configs += [ "//build/config/compiler:no_size_t_to_int_warning" ]
 
   if (pdf_engine == 0) {
-    deps += [ "//third_party/pdfium" ]
+    deps += [
+      "//pdf/pdfium/fuzzers",
+      "//third_party/pdfium",
+    ]
 
     sources += [
       "pdfium/pdfium_api_string_buffer_adapter.cc",

pdf/pdfium/fuzzers/BUILD.gn

@@ -0,0 +1,54 @@
+# Copyright 2016 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+# PDFium fuzzers.
+
+import("//third_party/pdfium/pdfium.gni")
+import("//testing/test.gni")
+import("//testing/libfuzzer/fuzzer_test.gni")
+
+group("fuzzers") {
+}
+
+fuzzer_test("pdfium_fuzzer") {
+  sources = [
+    "pdfium_fuzzer.cc",
+  ]
+  deps = [
+    "//third_party/pdfium",
+    "//third_party/pdfium:test_support",
+    "//v8",
+    "//v8:v8_libplatform",
+  ]
+  additional_configs = [
+    "//third_party/pdfium:pdfium_config",
+    "//v8:external_startup_data",
+  ]
+  dict = "dicts/pdf.dict"
+}
+
+fuzzer_test("pdf_jpx_fuzzer") {
+  sources = []
+  deps = [
+    "//third_party/pdfium/testing/libfuzzer:pdf_jpx_fuzzer",
+  ]
+}
+
+if (pdf_enable_xfa) {
+  fuzzer_test("pdf_fm2js_fuzzer") {
+    sources = []
+    deps = [
+      "//third_party/pdfium/testing/libfuzzer:pdf_fm2js_fuzzer",
+    ]
+    dict = "dicts/pdf_fm2js.dict"
+  }
+
+  fuzzer_test("pdf_xml_fuzzer") {
+    sources = []
+    deps = [
+      "//third_party/pdfium/testing/libfuzzer:pdf_xml_fuzzer",
+    ]
+    dict = "dicts/pdf_xml.dict"
+  }
+}

pdf/pdfium/fuzzers/DEPS

@@ -0,0 +1,3 @@
+include_rules = [
+  "+third_party/pdfium/testing/test_support.h"
+]

pdf/pdfium/fuzzers/pdfium_fuzzer.cc

@@ -33,21 +33,23 @@
 
 #include "v8/include/v8.h"
 
-static int ExampleAppAlert(IPDF_JSPLATFORM*, FPDF_WIDESTRING, FPDF_WIDESTRING,
-    int, int) {
+static int ExampleAppAlert(IPDF_JSPLATFORM*,
+                           FPDF_WIDESTRING,
+                           FPDF_WIDESTRING,
+                           int,
+                           int) {
   return 0;
 }
 
-static void ExampleDocGotoPage(IPDF_JSPLATFORM*, int pageNumber) { }
-
-static void ExampleUnsupportedHandler(UNSUPPORT_INFO*, int type) { }
+static void ExampleDocGotoPage(IPDF_JSPLATFORM*, int pageNumber) {}
 
+static void ExampleUnsupportedHandler(UNSUPPORT_INFO*, int type) {}
 
 FPDF_BOOL Is_Data_Avail(FX_FILEAVAIL* pThis, size_t offset, size_t size) {
   return true;
 }
 
-static void Add_Segment(FX_DOWNLOADHINTS* pThis, size_t offset, size_t size) { }
+static void Add_Segment(FX_DOWNLOADHINTS* pThis, size_t offset, size_t size) {}
 
 static bool RenderPage(const FPDF_DOCUMENT& doc,
                        const FPDF_FORMHANDLE& form,
@@ -192,7 +194,7 @@ std::string ProgramPath() {
 struct TestCase {
   TestCase() {
     InitializeV8ForPDFium(ProgramPath(), "", &natives_blob, &snapshot_blob,
-        &platform);
+                          &platform);
 
     memset(&config, '\0', sizeof(config));
     config.version = 2;

testing/libfuzzer/fuzzers/BUILD.gn

@@ -7,7 +7,6 @@
 import("//build/config/features.gni")
 import("//media/media_options.gni")
 import("//testing/libfuzzer/fuzzer_test.gni")
-import("//third_party/pdfium/pdfium.gni")
 
 # root BUILD depenends on this target. Needed for package discovery
 group("fuzzers") {
@@ -171,41 +170,6 @@ fuzzer_test("zlib_uncompress_fuzzer") {
   ]
 }
 
-fuzzer_test("pdfium_fuzzer") {
-  sources = [
-    "pdfium_fuzzer.cc",
-  ]
-  deps = [
-    "//third_party/pdfium",
-    "//third_party/pdfium:test_support",
-    "//v8",
-    "//v8:v8_libplatform",
-  ]
-  additional_configs = [
-    "//third_party/pdfium:pdfium_config",
-    "//v8:external_startup_data",
-  ]
-  dict = "dicts/pdf.dict"
-}
-
-if (pdf_enable_xfa) {
-  fuzzer_test("pdf_fm2js_fuzzer") {
-    sources = []
-    deps = [
-      "//third_party/pdfium/testing/libfuzzer:pdf_fm2js_fuzzer",
-    ]
-    dict = "dicts/pdf_fm2js.dict"
-  }
-
-  fuzzer_test("pdf_xml_fuzzer") {
-    sources = []
-    deps = [
-      "//third_party/pdfium/testing/libfuzzer:pdf_xml_fuzzer",
-    ]
-    dict = "dicts/pdf_xml.dict"
-  }
-}
-
 fuzzer_test("sqlite3_prepare_v2_fuzzer") {
   sources = [
     "sqlite3_prepare_v2_fuzzer.cc",