Send resize event when the screen info changes.

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 490be156247fa26254c9379c526e8022c4e90765..dc1a217132cc17804c10fe6a95c5330c59cb2203 100644
--- a/content/browser/renderer_host/render_widget_host_impl.h
+++ b/content/browser/renderer_host/render_widget_host_impl.h
@@ -175,11 +175,6 @@ class CONTENT_EXPORT RenderWidgetHostImpl
   // Notification that the screen info has changed.
   void NotifyScreenInfoChanged();
 
-  // Invalidates the cached screen info so that next resize request
-  // will carry the up to date screen info. Unlike
-  // |NotifyScreenInfoChanged|, this doesn't send a message to the renderer.
-  void InvalidateScreenInfo();
-
   // Sets the View of this RenderWidgetHost.
   void SetView(RenderWidgetHostViewBase* view);
 
@@ -725,14 +720,6 @@ class CONTENT_EXPORT RenderWidgetHostImpl
   // True when waiting for RESIZE_ACK.
   bool resize_ack_pending_;
 
-  // Cached copy of the screen info so that it doesn't need to be updated every
-  // time the window is resized.
-  scoped_ptr<blink::WebScreenInfo> screen_info_;
-
-  // Set if screen_info_ may have changed and should be recomputed and force a
-  // resize message.
-  bool screen_info_out_of_date_;
-
   // The current size of the RenderWidget.
   gfx::Size current_size_;