Migrate Telemetry from beginWindowSnapshotPNG to Page.captureScreenshot

content/browser/renderer_host/render_widget_host_impl.h

Index: content/browser/renderer_host/render_widget_host_impl.h
diff --git a/content/browser/renderer_host/render_widget_host_impl.h b/content/browser/renderer_host/render_widget_host_impl.h
index aa8951841c76f18066844a2f62b2f74654f75829..4990e096ba480c8942fdca8b749d8f580d6213d4 100644
--- a/content/browser/renderer_host/render_widget_host_impl.h
+++ b/content/browser/renderer_host/render_widget_host_impl.h
@@ -177,6 +177,9 @@ class CONTENT_EXPORT RenderWidgetHostImpl : virtual public RenderWidgetHost,
   virtual void GetSnapshotFromRenderer(
       const gfx::Rect& src_subrect,
       const base::Callback<void(bool, const SkBitmap&)>& callback) OVERRIDE;
+  virtual void GetSnapshotFromBrowser(
+      const base::Callback<
+          void(const unsigned char*,size_t)> callback) OVERRIDE;
 
   const NativeWebKeyboardEvent* GetLastKeyboardEvent() const;
 
@@ -549,6 +552,8 @@ class CONTENT_EXPORT RenderWidgetHostImpl : virtual public RenderWidgetHost,
   // Don't check whether we expected a resize ack during layout tests.
   static void DisableResizeAckCheckForTesting();
 
+  // TODO(kaznacheev): Remove this method when GpuBenchmarking V8 extension is
+  // retired.
   void WindowSnapshotAsyncCallback(
       int routing_id,
       int snapshot_id,
@@ -760,8 +765,20 @@ class CONTENT_EXPORT RenderWidgetHostImpl : virtual public RenderWidgetHost,
   // which may get in recursive loops).
   void DelayedAutoResized();
 
+  // TODO(kaznacheev): Remove this method when GpuBenchmarking V8 extension is
+  // retired.
+  void WindowSnapshotReachedScreenUnsafe(int snapshot_id);
+
   void WindowSnapshotReachedScreen(int snapshot_id);
 
+  void OnSnapshotDataReceived(int snapshot_id,
+                              const unsigned char* png,
+                              size_t size);
+
+  void OnSnapshotDataReceivedAsync(
+      int snapshot_id,
+      scoped_refptr<base::RefCountedBytes> png_data);
+
   // Send a message to the renderer process to change the accessibility mode.
   void SetAccessibilityMode(AccessibilityMode AccessibilityMode);
 
@@ -939,6 +956,11 @@ class CONTENT_EXPORT RenderWidgetHostImpl : virtual public RenderWidgetHost,
 
   int64 last_input_number_;
 
+  int next_browser_snapshot_id_;
+  typedef std::map<int,
+      base::Callback<void(const unsigned char*, size_t)>> PendingSnapshotMap;
+  PendingSnapshotMap pending_browser_snapshots_;
+
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostImpl);
 };