Implement frame attribution (FrameBlamer)

content/renderer/renderer_blink_platform_impl.h

 // Copyright (c) 2012 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.
 
 #ifndef CONTENT_RENDERER_RENDERER_BLINK_PLATFORM_IMPL_H_
 #define CONTENT_RENDERER_RENDERER_BLINK_PLATFORM_IMPL_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 170 matching lines @@
                               mojo::ScopedMessagePipeHandle handle) override;
   void startListening(blink::WebPlatformEventType,
                       blink::WebPlatformEventListener*) override;
   void stopListening(blink::WebPlatformEventType) override;
   void queryStorageUsageAndQuota(const blink::WebURL& storage_partition,
                                  blink::WebStorageQuotaType,
                                  blink::WebStorageQuotaCallbacks) override;
   void vibrate(unsigned int milliseconds) override;
   void cancelVibration() override;
   blink::WebThread* currentThread() override;
+  blink::BlameContext* threadBlameContext() override;
   void recordRappor(const char* metric,
                     const blink::WebString& sample) override;
   void recordRapporURL(const char* metric, const blink::WebURL& url) override;
 
   blink::WebTrialTokenValidator* trialTokenValidator() override;
 
   // Set the PlatformEventObserverBase in |platform_event_observers_| associated
   // with |type| to |observer|. If there was already an observer associated to
   // the given |type|, it will be replaced.
   // Note that |observer| will be owned by this object after the call.
@@ skipping 96 matching lines @@
   WebTrialTokenValidatorImpl trial_token_validator_;
 
   scoped_ptr<LocalStorageCachedAreas> local_storage_cached_areas_;
 
   DISALLOW_COPY_AND_ASSIGN(RendererBlinkPlatformImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDERER_BLINK_PLATFORM_IMPL_H_