[not for review] Add Draw entries to window Performance Timeline

Source/web/WebViewImpl.h

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 95 matching lines @@
     virtual void compositeAndReadbackAsync(WebCompositeAndReadbackAsyncCallback*) OVERRIDE;
     virtual bool isTrackingRepaints() const OVERRIDE;
     virtual void themeChanged() OVERRIDE;
     virtual bool handleInputEvent(const WebInputEvent&) OVERRIDE;
     virtual void setCursorVisibilityState(bool isVisible) OVERRIDE;
     virtual bool hasTouchEventHandlersAt(const WebPoint&) OVERRIDE;
     virtual void applyViewportDeltas(
         const WebSize& scrollDelta,
         float pageScaleDelta,
         float topControlsDelta) OVERRIDE;
+    virtual void recordSmoothnessTimingEvent(enum smoothnessTimingEventType,
+        int64_t, const WebVector<std::pair<int, double> >&) OVERRIDE;
     virtual void mouseCaptureLost() OVERRIDE;
     virtual void setFocus(bool enable) OVERRIDE;
     virtual bool setComposition(
         const WebString& text,
         const WebVector<WebCompositionUnderline>& underlines,
         int selectionStart,
         int selectionEnd) OVERRIDE;
     virtual bool confirmComposition() OVERRIDE;
     virtual bool confirmComposition(ConfirmCompositionBehavior selectionBehavior) OVERRIDE;
     virtual bool confirmComposition(const WebString& text) OVERRIDE;
@@ skipping 597 matching lines @@
     float m_topControlsContentOffset;
 };
 
 // We have no ways to check if the specified WebView is an instance of
 // WebViewImpl because WebViewImpl is the only implementation of WebView.
 DEFINE_TYPE_CASTS(WebViewImpl, WebView, webView, true, true);
 
 } // namespace blink
 
 #endif