Mandoline: Allow submitting CompositorFrames directly to mojo::Views

components/view_manager/server_view_delegate.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_VIEW_MANAGER_SERVER_VIEW_DELEGATE_H_
 #define COMPONENTS_VIEW_MANAGER_SERVER_VIEW_DELEGATE_H_
 
+#include "components/view_manager/public/interfaces/compositor_frame.mojom.h"
 #include "components/view_manager/public/interfaces/view_manager_constants.mojom.h"
 
 namespace gfx {
 class Rect;
 }
 
 namespace mojo {
 class ViewportMetrics;
 }
 
+namespace surfaces {
+class SurfacesState;
+}
+
 namespace view_manager {
 
 class ServerView;
 
 // ServerViewDelegate is notified at key points in the lifetime of a
 // ServerView. Some of the functions are similar to that of
 // ServerViewObserver. For example, ServerViewDelegate::PrepareToDestroyView()
 // and ServerViewObserver::OnWillDestroyView(). The key difference between
 // the two are the ServerViewDelegate ones are always notified first, and
 // ServerViewDelegate gets non-const arguments.
 class ServerViewDelegate {
  public:
+  virtual surfaces::SurfacesState* GetSurfacesState() = 0;
+
   // Invoked when a view is about to be destroyed; before any of the children
   // have been removed and before the view has been removed from its parent.
   virtual void PrepareToDestroyView(ServerView* view) = 0;
 
   virtual void PrepareToChangeViewHierarchy(ServerView* view,
                                             ServerView* new_parent,
                                             ServerView* old_parent) = 0;
 
   virtual void PrepareToChangeViewVisibility(ServerView* view) = 0;
 
   virtual void OnScheduleViewPaint(const ServerView* view) = 0;
 
   // Returns the root of the view tree to which this |view| is attached. Returns
   // null if this view is not attached up through to a root view.
   virtual const ServerView* GetRootView(const ServerView* view) const = 0;
 
  protected:
   virtual ~ServerViewDelegate() {}
 };
 
 }  // namespace view_manager
 
 #endif  // COMPONENTS_VIEW_MANAGER_SERVER_VIEW_DELEGATE_H_