Make RenderPass::Id an isolated class

cc/output/renderer.h

 // Copyright 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 CC_OUTPUT_RENDERER_H_
 #define CC_OUTPUT_RENDERER_H_
 
 #include "base/basictypes.h"
 #include "cc/base/cc_export.h"
 #include "cc/quads/render_pass.h"

[danakj, 2014/08/20 23:54:08]

can forward declare RenderPass{ID,List} now?

[weiliangc, 2014/08/21 15:37:23]

Same as below.

[weiliangc, 2014/08/21 17:17:54]

Done.

 #include "cc/trees/layer_tree_host.h"
 
 namespace cc {
 
 class CompositorFrameAck;
 class CompositorFrameMetadata;
 class ScopedResource;
 class Task;
 
 struct RendererCapabilitiesImpl {
@@ skipping 23 matching lines @@
 };
 
 class CC_EXPORT Renderer {
  public:
   virtual ~Renderer() {}
 
   virtual const RendererCapabilitiesImpl& Capabilities() const = 0;
 
   virtual void DecideRenderPassAllocationsForFrame(
       const RenderPassList& render_passes_in_draw_order) {}
-  virtual bool HasAllocatedResourcesForTesting(RenderPass::Id id) const;
+  virtual bool HasAllocatedResourcesForTesting(RenderPassId id) const;
 
   // This passes ownership of the render passes to the renderer. It should
   // consume them, and empty the list. The parameters here may change from frame
   // to frame and should not be cached.
   // The |device_viewport_rect| and |device_clip_rect| are in non-y-flipped
   // window space.
   virtual void DrawFrame(RenderPassList* render_passes_in_draw_order,
                          float device_scale_factor,
                          const gfx::Rect& device_viewport_rect,
                          const gfx::Rect& device_clip_rect,
@@ skipping 21 matching lines @@
   const LayerTreeSettings* settings_;
   bool visible_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(Renderer);
 };
 
 }  // namespace cc
 
 #endif  // CC_OUTPUT_RENDERER_H_