Remove window.chrome.gpuBenchmarking.beginWindowSnapshotPNG

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 5e3ee8fd5532a86b42fc824ecbd233c7677c247d..79a84932632b3e8239b5611a0313655108dabe05 100644
--- a/content/browser/renderer_host/render_widget_host_impl.h
+++ b/content/browser/renderer_host/render_widget_host_impl.h
@@ -480,12 +480,6 @@ class CONTENT_EXPORT RenderWidgetHostImpl
   // Don't check whether we expected a resize ack during layout tests.
   static void DisableResizeAckCheckForTesting();
 
-  void WindowSnapshotAsyncCallback(
-      int routing_id,
-      int snapshot_id,
-      gfx::Size snapshot_size,
-      scoped_refptr<base::RefCountedBytes> png_data);
-
   InputRouter* input_router() { return input_router_.get(); }
 
   // Get the BrowserAccessibilityManager for the root of the frame tree,
@@ -689,8 +683,6 @@ class CONTENT_EXPORT RenderWidgetHostImpl
   // which may get in recursive loops).
   void DelayedAutoResized();
 
-  void WindowOldSnapshotReachedScreen(int snapshot_id);
-
   void WindowSnapshotReachedScreen(int snapshot_id);
 
   void OnSnapshotDataReceived(int snapshot_id,