Draggable region support for frameless app window on Windows.

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"
@@ skipping 38 matching lines @@
 
 namespace content {
 
 class BrowserContext;
 class RenderViewHost;
 class RenderViewHostDelegateView;
 class SessionStorageNamespace;
 class WebContents;
 struct ContextMenuParams;
 struct FileChooserParams;
+struct DraggableRegion;
 struct GlobalRequestID;
 struct NativeWebKeyboardEvent;
 struct Referrer;
 struct RendererPreferences;
 
 typedef base::Callback< void(const MediaStreamDevices&) > MediaResponseCallback;
 
 //
 // RenderViewHostDelegate
 //
@@ skipping 329 matching lines @@
   // provided in the supplied params.
   virtual void ShowContextMenu(const ContextMenuParams& params) {}
 
   // The render view has requested access to media devices listed in
   // |request|, and the client should grant or deny that permission by
   // calling |callback|.
   virtual void RequestMediaAccessPermission(
       const MediaStreamRequest* request,
       const MediaResponseCallback& callback) {}
 
+  // The draggable regions should be updated if they're supported.
+  virtual void UpdateDraggableRegions(
+      const std::vector<content::DraggableRegion>& regions) {}
+
  protected:
   virtual ~RenderViewHostDelegate() {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_DELEGATE_H_