[content shell] implement auto resize related WebTestDelegate interfaces

content/renderer/render_view_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_RENDERER_RENDER_VIEW_IMPL_H_
 #define CONTENT_RENDERER_RENDER_VIEW_IMPL_H_
 
 #include <deque>
 #include <map>
 #include <set>
@@ skipping 358 matching lines @@
   unsigned GetLocalSessionHistoryLengthForTesting() const;
 
   // Invokes OnSetFocus and marks the widget as active depending on the value
   // of |enable|. This is used for layout tests that need to control the focus
   // synchronously from the renderer.
   void SetFocusAndActivateForTesting(bool enable);
 
   // Change the device scale factor and force the compositor to resize.
   void SetDeviceScaleFactorForTesting(float factor);
 
+  // Control autoresize mode.
+  void EnableAutoResizeForTesting(const gfx::Size& min_size,
+                                  const gfx::Size& max_size);
+  void DisableAutoResizeForTesting(const gfx::Size& new_size);
+
   // IPC::Listener implementation ----------------------------------------------
 
   virtual bool OnMessageReceived(const IPC::Message& msg) OVERRIDE;
 
   // WebKit::WebWidgetClient implementation ------------------------------------
 
   // Most methods are handled by RenderWidget.
   virtual void didFocus();
   virtual void didBlur();
   virtual void show(WebKit::WebNavigationPolicy policy);
@@ skipping 1140 matching lines @@
   // use the Observer interface to filter IPC messages and receive frame change
   // notifications.
   // ---------------------------------------------------------------------------
 
   DISALLOW_COPY_AND_ASSIGN(RenderViewImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDER_VIEW_IMPL_H_