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 7792b8b4058b4af831a3918b53a9fddff5d6748d..5bc5ab7afc64580ce8066456601fdb867a3eaced 100644
--- a/content/browser/renderer_host/render_widget_host_impl.h
+++ b/content/browser/renderer_host/render_widget_host_impl.h
@@ -552,6 +552,10 @@ class CONTENT_EXPORT RenderWidgetHostImpl : virtual public RenderWidgetHost,
   // Don't check whether we expected a resize ack during layout tests.
   static void DisableResizeAckCheckForTesting();
 
+  typedef base::Callback<void(const unsigned char*, size_t)>
+      WindowSnapshotCallback;
+  void RequestWindowSnapshot(const WindowSnapshotCallback&);
+
   void WindowSnapshotAsyncCallback(

[pfeldman, 2014/03/07 12:21:22]

TODO(kaznacheev): retire.

[Vladislav Kaznacheev, 2014/03/11 13:08:56]

Done.

       int routing_id,
       int snapshot_id,
@@ -763,8 +767,20 @@ 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);
 
@@ -942,6 +958,10 @@ class CONTENT_EXPORT RenderWidgetHostImpl : virtual public RenderWidgetHost,
 
   int64 last_input_number_;
 
+  int next_window_snapshot_id_;
+  typedef std::map<int, WindowSnapshotCallback> PendingSnapshotMap;
+  PendingSnapshotMap pending_window_snapshots_;
+
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostImpl);
 };