Mandoline: Allow submitting CompositorFrames directly to mojo::Views

components/view_manager/server_view.h

Index: components/view_manager/server_view.h
diff --git a/components/view_manager/server_view.h b/components/view_manager/server_view.h
index 6be4140564636b376f91515c3b89b2a296d8443e..ded540717471fc222311d93aac1c04d675ab4c49 100644
--- a/components/view_manager/server_view.h
+++ b/components/view_manager/server_view.h
@@ -31,14 +31,16 @@ class ServerViewObserver;
 // ServerViews do not own their children. If you delete a view that has children
 // the children are implicitly removed. Similarly if a view has a parent and the
 // view is deleted the deleted view is implicitly removed from the parent.
-class ServerView {
+class ServerView : public mojo::CompositorFrameReceiver {
  public:
   ServerView(ServerViewDelegate* delegate, const ViewId& id);
-  virtual ~ServerView();
+  ~ServerView() override;
 
   void AddObserver(ServerViewObserver* observer);
   void RemoveObserver(ServerViewObserver* observer);
 
+  void Bind(mojo::InterfaceRequest<CompositorFrameReceiver> request);
+
   const ViewId& id() const { return id_; }
 
   void Add(ServerView* child);
@@ -93,10 +95,18 @@ class ServerView {
   void SetSurfaceId(cc::SurfaceId surface_id);
   const cc::SurfaceId& surface_id() const { return surface_id_; }
 
+  const gfx::Size& last_submitted_frame_size() {
+    return last_submitted_frame_size_;
+  }
+
   // See mojom for for details.
   void set_allows_reembed(bool value) { allows_reembed_ = value; }
   bool allows_reembed() const { return allows_reembed_; }
 
+  // mojo::CompositorFrameReceiver:
+  void SubmitFrame(mojo::CompositorFramePtr frame,
+                   const SubmitFrameCallback& callback) override;
+
 #if !defined(NDEBUG)
   std::string GetDebugWindowHierarchy() const;
   void BuildDebugInfo(const std::string& depth, std::string* result) const;
@@ -119,10 +129,12 @@ class ServerView {
   gfx::Transform transform_;
   bool allows_reembed_;
   ui::TextInputState text_input_state_;
+  gfx::Size last_submitted_frame_size_;
 
   std::map<std::string, std::vector<uint8_t>> properties_;
 
   base::ObserverList<ServerViewObserver> observers_;
+  mojo::Binding<CompositorFrameReceiver> binding_;
 
   DISALLOW_COPY_AND_ASSIGN(ServerView);
 };