Send resize event when the screen info changes.

content/browser/renderer_host/render_widget_host_impl.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_IMPL_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_IMPL_H_
 
 #include <deque>
 #include <list>
 #include <map>
@@ skipping 157 matching lines @@
   // Forces redraw in the renderer and when the update reaches the browser
   // grabs snapshot from the compositor. Returns PNG-encoded snapshot.
   void GetSnapshotFromBrowser(
       const base::Callback<void(const unsigned char*,size_t)> callback);
 
   const NativeWebKeyboardEvent* GetLastKeyboardEvent() const;
 
   // 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);
 
   int surface_id() const { return surface_id_; }
 
   bool empty() const { return current_size_.IsEmpty(); }
 
   // Called when a renderer object already been created for this host, and we
   // just need to be attached to it. Used for window.open, <select> dropdown
   // menus, and other times when the renderer initiates creating an object.
@@ skipping 525 matching lines @@
   // Indicates whether a page is hidden or not. It has to stay in sync with the
   // most recent call to process_->WidgetRestored() / WidgetHidden().
   bool is_hidden_;
 
   // Set if we are waiting for a repaint ack for the view.
   bool repaint_ack_pending_;
 
   // 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_;
 
   // Resize information that was previously sent to the renderer.
   scoped_ptr<ViewMsg_Resize_Params> old_resize_params_;
 
   // The next auto resize to send.
   gfx::Size new_auto_size_;
 
   // True if the render widget host should track the render widget's size as
@@ skipping 105 matching lines @@
   bool is_focused_;
 
   base::WeakPtrFactory<RenderWidgetHostImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_IMPL_H_