Remove didAutoResize from WebWidgetClient and move it to WebViewClient..

content/renderer/render_widget.h

Index: content/renderer/render_widget.h
diff --git a/content/renderer/render_widget.h b/content/renderer/render_widget.h
index 8cb0010653d6e928733c5a46917e6a718de092ba..da71dc3a27b970affbac282b751fa95148836e3b 100644
--- a/content/renderer/render_widget.h
+++ b/content/renderer/render_widget.h
@@ -232,7 +232,6 @@ class CONTENT_EXPORT RenderWidget
                       const gfx::Rect& window_screen_rect) override;
 
   // blink::WebWidgetClient
-  void didAutoResize(const blink::WebSize& new_size) override;
   void initializeLayerTreeView() override;
   blink::WebLayerTreeView* layerTreeView() override;
   void didMeaningfulLayout(blink::WebMeaningfulLayout layout_type) override;
@@ -358,6 +357,9 @@ class CONTENT_EXPORT RenderWidget
   void SetDeviceColorProfileForTesting(const std::vector<char>& color_profile);
   void ResetDeviceColorProfileForTesting();
 
+  // Called when the Widget has changed size as a result of an auto-resize.
+  void DidAutoResize(const gfx::Size& new_size);
+
   // Indicates whether this widget has focus.
   bool has_focus() const { return has_focus_; }