Migrate Telemetry from beginWindowSnapshotPNG to Page.captureScreenshot

content/renderer/render_view_impl.h

Index: content/renderer/render_view_impl.h
diff --git a/content/renderer/render_view_impl.h b/content/renderer/render_view_impl.h
index 808dc0d75f136aaf23e85e3a787b12900967d3af..a18a6a159281f94f3fd5237ced942ab22ff6d688 100644
--- a/content/renderer/render_view_impl.h
+++ b/content/renderer/render_view_impl.h
@@ -948,6 +948,7 @@ class CONTENT_EXPORT RenderViewImpl
   void OnDisownOpener();
   void OnWindowSnapshotCompleted(const int snapshot_id,
       const gfx::Size& size, const std::vector<unsigned char>& png);
+  void OnForceRedraw(int request_id);
 #if defined(OS_ANDROID)
   void OnActivateNearestFindResult(int request_id, float x, float y);
   void OnFindMatchRects(int current_version);