Make RenderPass::Id an isolated class

cc/layers/delegated_renderer_layer_impl.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_LAYERS_DELEGATED_RENDERER_LAYER_IMPL_H_
 #define CC_LAYERS_DELEGATED_RENDERER_LAYER_IMPL_H_
 
 #include "base/containers/hash_tables.h"
 #include "base/memory/scoped_ptr.h"
 #include "cc/base/cc_export.h"
@@ skipping 10 matching lines @@
       LayerTreeImpl* tree_impl, int id) {
     return make_scoped_ptr(new DelegatedRendererLayerImpl(tree_impl, id));
   }
   virtual ~DelegatedRendererLayerImpl();
 
   // LayerImpl overrides.
   virtual scoped_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl)
       OVERRIDE;
   virtual bool HasDelegatedContent() const OVERRIDE;
   virtual bool HasContributingDelegatedRenderPasses() const OVERRIDE;
-  virtual RenderPass::Id FirstContributingRenderPassId() const OVERRIDE;
-  virtual RenderPass::Id NextContributingRenderPassId(
-      RenderPass::Id previous) const OVERRIDE;
+  virtual RenderPassId FirstContributingRenderPassId() const OVERRIDE;
+  virtual RenderPassId NextContributingRenderPassId(
+      RenderPassId previous) const OVERRIDE;
   virtual void ReleaseResources() OVERRIDE;
   virtual bool WillDraw(DrawMode draw_mode,
                         ResourceProvider* resource_provider) OVERRIDE;
   virtual void AppendQuads(RenderPass* render_pass,
                            const OcclusionTracker<LayerImpl>& occlusion_tracker,
                            AppendQuadsData* append_quads_data) OVERRIDE;
   virtual void PushPropertiesTo(LayerImpl* layer) OVERRIDE;
 
   void AppendContributingRenderPasses(RenderPassSink* render_pass_sink);
 
@@ skipping 24 matching lines @@
   void ClearChildId();
 
   void AppendRainbowDebugBorder(RenderPass* render_pass,
                                 AppendQuadsData* append_quads_data);
 
   void SetRenderPasses(RenderPassList* render_passes_in_draw_order);
   void ClearRenderPasses();
 
   // Returns |true| if the delegated_render_pass_id is part of the current
   // frame and can be converted.
-  bool ConvertDelegatedRenderPassId(
-      RenderPass::Id delegated_render_pass_id,
-      RenderPass::Id* output_render_pass_id) const;
+  bool ConvertDelegatedRenderPassId(RenderPassId delegated_render_pass_id,
+                                    RenderPassId* output_render_pass_id) const;
 
   void AppendRenderPassQuads(
       RenderPass* render_pass,
       const OcclusionTracker<LayerImpl>& occlusion_tracker,
       AppendQuadsData* append_quads_data,
       const RenderPass* delegated_render_pass,
       const gfx::Size& frame_size) const;
 
   // LayerImpl overrides.
   virtual const char* LayerTypeAsString() const OVERRIDE;
 
   bool have_render_passes_to_push_;
   float inverse_device_scale_factor_;
   RenderPassList render_passes_in_draw_order_;
-  base::hash_map<RenderPass::Id, int> render_passes_index_by_id_;
+  base::hash_map<RenderPassId, int> render_passes_index_by_id_;
   ResourceProvider::ResourceIdArray resources_;
 
   int child_id_;
   bool own_child_id_;
 
   DISALLOW_COPY_AND_ASSIGN(DelegatedRendererLayerImpl);
 };
 
 }  // namespace cc
 
 #endif  // CC_LAYERS_DELEGATED_RENDERER_LAYER_IMPL_H_