Adds BeginFrameControl via DevTools.

content/browser/web_contents/web_contents_view_aura.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_WEB_CONTENTS_WEB_CONTENTS_VIEW_AURA_H_
 #define CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_VIEW_AURA_H_
 
 #include <memory>
 #include <vector>
 
@@ skipping 91 matching lines @@
                   gfx::NativeView context) override;
   RenderWidgetHostViewBase* CreateViewForWidget(
       RenderWidgetHost* render_widget_host,
       bool is_guest_view_hack) override;
   RenderWidgetHostViewBase* CreateViewForPopupWidget(
       RenderWidgetHost* render_widget_host) override;
   void SetPageTitle(const base::string16& title) override;
   void RenderViewCreated(RenderViewHost* host) override;
   void RenderViewSwappedIn(RenderViewHost* host) override;
   void SetOverscrollControllerEnabled(bool enabled) override;
+  ui::Compositor* GetCompositor() const override;
 
   // Overridden from RenderViewHostDelegateView:
   void ShowContextMenu(RenderFrameHost* render_frame_host,
                        const ContextMenuParams& params) override;
   void StartDragging(const DropData& drop_data,
                      blink::WebDragOperationsMask operations,
                      const gfx::ImageSkia& image,
                      const gfx::Vector2d& image_offset,
                      const DragEventSourceInfo& event_info) override;
   void UpdateDragCursor(blink::WebDragOperation operation) override;
@@ skipping 89 matching lines @@
   std::unique_ptr<GestureNavSimple> gesture_nav_simple_;
 
   bool init_rwhv_with_null_parent_for_testing_;
 
   DISALLOW_COPY_AND_ASSIGN(WebContentsViewAura);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_VIEW_AURA_H_