mus: Implement Window Server Capture

components/mus/display_manager.h

 // Copyright 2014 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 COMPONENTS_MUS_DISPLAY_MANAGER_H_
 #define COMPONENTS_MUS_DISPLAY_MANAGER_H_
 
 #include <map>
 
 #include "base/basictypes.h"
@@ skipping 47 matching lines @@
   virtual void Init(DisplayManagerDelegate* delegate) = 0;
 
   // Schedules a paint for the specified region in the coordinates of |view|.
   virtual void SchedulePaint(const ServerView* view,
                              const gfx::Rect& bounds) = 0;
 
   virtual void SetViewportSize(const gfx::Size& size) = 0;
 
   virtual void SetTitle(const base::string16& title) = 0;
 
+  virtual void SetCapture() = 0;
+
   virtual const mojo::ViewportMetrics& GetViewportMetrics() = 0;
 
   virtual void UpdateTextInputState(const ui::TextInputState& state) = 0;
   virtual void SetImeVisibility(bool visible) = 0;
 
   // Overrides factory for testing. Default (NULL) value indicates regular
   // (non-test) environment.
   static void set_factory_for_testing(DisplayManagerFactory* factory) {
     DisplayManager::factory_ = factory;
   }
@@ skipping 12 matching lines @@
                         mojo::ApplicationImpl* app_impl,
                         const scoped_refptr<GpuState>& gpu_state,
                         const scoped_refptr<SurfacesState>& surfaces_state);
   ~DefaultDisplayManager() override;
 
   // DisplayManager:
   void Init(DisplayManagerDelegate* delegate) override;
   void SchedulePaint(const ServerView* view, const gfx::Rect& bounds) override;
   void SetViewportSize(const gfx::Size& size) override;
   void SetTitle(const base::string16& title) override;
+  void SetCapture() override;
   const mojo::ViewportMetrics& GetViewportMetrics() override;
   void UpdateTextInputState(const ui::TextInputState& state) override;
   void SetImeVisibility(bool visible) override;
 
  private:
   void WantToDraw();
   void Draw();
   void DidDraw();
   void UpdateMetrics(const gfx::Size& size, float device_pixel_ratio);
 
@@ skipping 24 matching lines @@
   scoped_ptr<ui::PlatformWindow> platform_window_;
 
   base::WeakPtrFactory<DefaultDisplayManager> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(DefaultDisplayManager);
 };
 
 }  // namespace mus
 
 #endif  // COMPONENTS_MUS_DISPLAY_MANAGER_H_