Make it possible to set the display mode from Chromium

content/browser/renderer_host/render_view_host_delegate.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_VIEW_HOST_DELEGATE_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_DELEGATE_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "base/process/kill.h"
 #include "base/strings/string16.h"
 #include "content/browser/dom_storage/session_storage_namespace_impl.h"
 #include "content/common/content_export.h"
 #include "net/base/load_states.h"
+#include "third_party/WebKit/public/platform/WebDisplayMode.h"
 #include "third_party/WebKit/public/web/WebPopupType.h"
 #include "ui/base/window_open_disposition.h"
 
 class GURL;
 class SkBitmap;
 struct ViewHostMsg_CreateWindow_Params;
 struct FrameHostMsg_DidCommitProvisionalLoad_Params;
 
 namespace base {
 class ListValue;
@@ skipping 141 matching lines @@
   virtual void LostCapture() {}
 
   // Called when a file selection is to be done.
   virtual void RunFileChooser(
       RenderViewHost* render_view_host,
       const FileChooserParams& params) {}
 
   // Returns whether the associated tab is in fullscreen mode.
   virtual bool IsFullscreenForCurrentTab() const;
 
+  // Returns the display mode for the view.
+  virtual blink::WebDisplayMode GetDisplayMode() const;
+
   // The contents' preferred size changed.
   virtual void UpdatePreferredSize(const gfx::Size& pref_size) {}
 
   // The contents auto-resized and the container should match it.
   virtual void ResizeDueToAutoResize(const gfx::Size& new_size) {}
 
   // Requests to lock the mouse. Once the request is approved or rejected,
   // GotResponseToLockMouseRequest() will be called on the requesting render
   // view host.
   virtual void RequestToLockMouse(bool user_gesture,
@@ skipping 79 matching lines @@
   virtual void SetIsVirtualKeyboardRequested(bool requested) {}
   virtual bool IsVirtualKeyboardRequested();
 
  protected:
   virtual ~RenderViewHostDelegate() {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_DELEGATE_H_