Suppress unsafe libc calls warnings in ppapi/ headers.

Rather than suppressing the entire ppapi/ directory in the
unsafe_buffers_paths.txt file, add a few per-file suppressions
as was previously done for the unsafe_buffer_unsage warnings.

Hopefully this code will all be deleted later this year.

Bug: 390223051
Change-Id: I2fd2191d53f19be794b4dd7d0ea5abd41be40ce4
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6235117
Reviewed-by: Derek Schuff <dschuff@chromium.org>
Commit-Queue: Tom Sepez <tsepez@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1417015}

ppapi/thunk/interfaces_legacy.h

@@ -1,6 +1,12 @@
 // Copyright 2013 The Chromium Authors
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
+
+#ifdef UNSAFE_BUFFERS_BUILD
+// TODO(crbug.com/390223051): Remove C-library calls to fix the errors.
+#pragma allow_unsafe_libc_calls
+#endif
+
 #ifndef LEGACY_IFACE
 #define LEGACY_IFACE(iface_str, function_name)
 #endif

ppapi/thunk/interfaces_ppb_private.h

@@ -2,6 +2,11 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+#ifdef UNSAFE_BUFFERS_BUILD
+// TODO(crbug.com/390223051): Remove C-library calls to fix the errors.
+#pragma allow_unsafe_libc_calls
+#endif
+
 // Please see inteface_ppb_public_stable for the documentation on the format of
 // this file.
 

ppapi/thunk/interfaces_ppb_private_no_permissions.h

@@ -2,6 +2,11 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+#ifdef UNSAFE_BUFFERS_BUILD
+// TODO(crbug.com/390223051): Remove C-library calls to fix the errors.
+#pragma allow_unsafe_libc_calls
+#endif
+
 // Please see inteface_ppb_public_stable for the documentation on the format of
 // this file.
 

ppapi/thunk/interfaces_ppb_public_dev.h

@@ -2,6 +2,11 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+#ifdef UNSAFE_BUFFERS_BUILD
+// TODO(crbug.com/390223051): Remove C-library calls to fix the errors.
+#pragma allow_unsafe_libc_calls
+#endif
+
 // Please see inteface_ppb_public_stable for the documentation on the format of
 // this file.
 

ppapi/thunk/interfaces_ppb_public_dev_channel.h

@@ -2,6 +2,11 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+#ifdef UNSAFE_BUFFERS_BUILD
+// TODO(crbug.com/390223051): Remove C-library calls to fix the errors.
+#pragma allow_unsafe_libc_calls
+#endif
+
 // Please see inteface_ppb_public_stable for the documentation on the format of
 // this file.
 

ppapi/thunk/interfaces_ppb_public_socket.h

@@ -2,6 +2,11 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+#ifdef UNSAFE_BUFFERS_BUILD
+// TODO(crbug.com/390223051): Remove C-library calls to fix the errors.
+#pragma allow_unsafe_libc_calls
+#endif
+
 // no-include-guard-because-multiply-included
 // NOLINT(build/header_guard)
 

ppapi/thunk/interfaces_ppb_public_stable.h

@@ -2,6 +2,11 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+#ifdef UNSAFE_BUFFERS_BUILD
+// TODO(crbug.com/390223051): Remove C-library calls to fix the errors.
+#pragma allow_unsafe_libc_calls
+#endif
+
 // no-include-guard-because-multiply-included
 // NOLINT(build/header_guard)