Fix race between DPI and window size

content/renderer/render_widget.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_RENDERER_RENDER_WIDGET_H_
 #define CONTENT_RENDERER_RENDER_WIDGET_H_
 
 #include <deque>
 #include <map>
 
@@ skipping 20 matching lines @@
 #include "ui/base/ime/text_input_type.h"
 #include "ui/base/range/range.h"
 #include "ui/gfx/native_widget_types.h"
 #include "ui/gfx/rect.h"
 #include "ui/gfx/vector2d.h"
 #include "ui/gfx/vector2d_f.h"
 #include "ui/surface/transport_dib.h"
 #include "webkit/glue/webcursor.h"
 
 struct ViewHostMsg_UpdateRect_Params;
+struct ViewMsg_Resize_Params;
 class ViewHostMsg_UpdateRect;
 
 namespace IPC {
 class SyncMessage;
 }
 
 namespace WebKit {
 class WebGestureEvent;
 class WebInputEvent;
 class WebMouseEvent;
@@ skipping 236 matching lines @@
 
   // RenderWidget IPC message handlers
   void OnHandleInputEvent(const WebKit::WebInputEvent* event,
                           const cc::LatencyInfo& latency_info,
                           bool keyboard_shortcut);
   void OnCursorVisibilityChange(bool is_visible);
   void OnMouseCaptureLost();
   virtual void OnSetFocus(bool enable);
   void OnClose();
   void OnCreatingNewAck();
-  virtual void OnResize(const gfx::Size& new_size,
-                        const gfx::Size& physical_backing_size,
-                        float overdraw_bottom_height,
-                        const gfx::Rect& resizer_rect,
-                        bool is_fullscreen);
+  virtual void OnResize(const ViewMsg_Resize_Params& params);
   void OnChangeResizeRect(const gfx::Rect& resizer_rect);
   virtual void OnWasHidden();
   virtual void OnWasShown(bool needs_repainting);
   virtual void OnWasSwappedOut();
   void OnUpdateRectAck();
   void OnCreateVideoAck(int32 video_id);
   void OnUpdateVideoAck(int32 video_id);
   void OnRequestMoveAck();
   void OnSetInputMethodActive(bool is_active);
   virtual void OnImeSetComposition(
       const string16& text,
       const std::vector<WebKit::WebCompositionUnderline>& underlines,
       int selection_start,
       int selection_end);
   virtual void OnImeConfirmComposition(
       const string16& text, const ui::Range& replacement_range);
   void OnPaintAtSize(const TransportDIB::Handle& dib_id,
                      int tag,
                      const gfx::Size& page_size,
                      const gfx::Size& desired_size);
   void OnRepaint(gfx::Size size_to_paint);
   void OnSmoothScrollCompleted();
   void OnSetTextDirection(WebKit::WebTextDirection direction);
   void OnGetFPS();
-  void OnScreenInfoChanged(const WebKit::WebScreenInfo& screen_info);
   void OnUpdateScreenRects(const gfx::Rect& view_screen_rect,
                            const gfx::Rect& window_screen_rect);
 #if defined(OS_ANDROID)
   void OnImeBatchStateChanged(bool is_begin);
   void OnShowImeIfNeeded();
 #endif
   void OnSnapshot(const gfx::Rect& src_subrect);
 
   // Notify the compositor about a change in viewport size. This should be
   // used only with auto resize mode WebWidgets, as normal WebWidgets should
@@ skipping 372 matching lines @@
   bool overscroll_notifications_enabled_;
 
   base::WeakPtrFactory<RenderWidget> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidget);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDER_WIDGET_H_