Remove grow box rect support, browser part.

content/public/browser/render_widget_host.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_PUBLIC_BROWSER_RENDER_WIDGET_HOST_H_
 #define CONTENT_PUBLIC_BROWSER_RENDER_WIDGET_HOST_H_
 
 #include <stdint.h>
 
 #include "base/callback.h"
@@ skipping 189 matching lines @@
 
   // Gets the View of this RenderWidgetHost. Can be nullptr, e.g. if the
   // RenderWidget is being destroyed or the render process crashed. You should
   // never cache this pointer since it can become nullptr if the renderer
   // crashes, instead you should always ask for it using the accessor.
   virtual RenderWidgetHostView* GetView() const = 0;
 
   // Returns true if the renderer is loading, false if not.
   virtual bool IsLoading() const = 0;
 
-  // Called to notify the RenderWidget that the resize rect has changed without
-  // the size of the RenderWidget itself changing.
-  virtual void ResizeRectChanged(const gfx::Rect& new_rect) = 0;
-
   // Restart the active hang monitor timeout. Clears all existing timeouts and
   // starts with a new one.  This can be because the renderer has become
   // active, the tab is being hidden, or the user has chosen to wait some more
   // to give the tab a chance to become active and we don't want to display a
   // warning too soon.
   virtual void RestartHangMonitorTimeout() = 0;
 
   // Stops and disables hang monitor. This avoids flakiness in tests that need
   // to observe things like beforeunload dialogs, which could fail if the
   // timeout skips the dialog.
@@ skipping 35 matching lines @@
   // Get the screen info corresponding to this render widget.
   virtual void GetScreenInfo(ScreenInfo* result) = 0;
 
   // Sends a compositor proto to the render widget.
   virtual void HandleCompositorProto(const std::vector<uint8_t>& proto) = 0;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_RENDER_WIDGET_HOST_H_