Allow layers to signal that additional sequences are needed before surface destruction

ui/compositor/layer.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 UI_COMPOSITOR_LAYER_H_
 #define UI_COMPOSITOR_LAYER_H_
 
 #include <string>
 #include <vector>
 
 #include "base/compiler_specific.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "cc/animation/animation_events.h"
 #include "cc/animation/layer_animation_event_observer.h"
 #include "cc/base/scoped_ptr_vector.h"
 #include "cc/layers/content_layer_client.h"
 #include "cc/layers/layer_client.h"
+#include "cc/layers/surface_layer.h"
 #include "cc/layers/texture_layer_client.h"
 #include "cc/resources/texture_mailbox.h"
 #include "cc/surfaces/surface_id.h"
 #include "third_party/skia/include/core/SkColor.h"
 #include "third_party/skia/include/core/SkRegion.h"
 #include "ui/compositor/compositor.h"
 #include "ui/compositor/layer_animation_delegate.h"
 #include "ui/compositor/layer_delegate.h"
 #include "ui/compositor/layer_type.h"
 #include "ui/gfx/rect.h"
@@ skipping 242 matching lines @@
   void SetTextureMailbox(const cc::TextureMailbox& mailbox,
                          scoped_ptr<cc::SingleReleaseCallback> release_callback,
                          gfx::Size texture_size_in_dip);
   void SetTextureSize(gfx::Size texture_size_in_dip);
 
   // Begins showing delegated frames from the |frame_provider|.
   void SetShowDelegatedContent(cc::DelegatedFrameProvider* frame_provider,
                                gfx::Size frame_size_in_dip);
 
   // Begins showing content from a surface with a particular id.
-  void SetShowSurface(cc::SurfaceId id, gfx::Size frame_size_in_dip);
+  void SetShowSurface(cc::SurfaceId surface_id,
+                      const cc::SurfaceLayer::SatisfyCallback& satisfy_callback,
+                      const cc::SurfaceLayer::RequireCallback& require_callback,
+                      gfx::Size frame_size_in_dip);
 
   bool has_external_content() {
     return texture_layer_.get() || delegated_renderer_layer_.get() ||
            surface_layer_.get();
   }
 
   // Show a solid color instead of delegated or surface contents.
   void SetShowSolidColorContent();
 
   // Sets the layer's fill color.  May only be called for LAYER_SOLID_COLOR.
@@ skipping 218 matching lines @@
   // The size of the frame or texture in DIP, set when SetShowDelegatedContent
   // or SetTextureMailbox was called.
   gfx::Size frame_size_in_dip_;
 
   DISALLOW_COPY_AND_ASSIGN(Layer);
 };
 
 }  // namespace ui
 
 #endif  // UI_COMPOSITOR_LAYER_H_