cc: Give ownership of render passes to the renderer when drawing a frame.

cc/direct_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_DIRECT_RENDERER_H_
 #define CC_DIRECT_RENDERER_H_
 
 #include "base/basictypes.h"
 #include "cc/cc_export.h"
 #include "cc/renderer.h"
 #include "cc/resource_provider.h"
 #include "cc/scoped_resource.h"
 
 namespace cc {
 
 class ResourceProvider;
 
 // This is the base class for code shared between the GL and software
 // renderer implementations.  "Direct" refers to the fact that it does not
 // delegate rendering to another compositor.
 class CC_EXPORT DirectRenderer : public Renderer {
 public:
     virtual ~DirectRenderer();
 
     ResourceProvider* resourceProvider() const { return m_resourceProvider; }
 
     virtual void decideRenderPassAllocationsForFrame(const RenderPassList& renderPassesInDrawOrder) OVERRIDE;
     virtual bool haveCachedResourcesForRenderPassId(RenderPass::Id) const OVERRIDE;
-    virtual void drawFrame(const RenderPassList& renderPassesInDrawOrder, const RenderPassIdHashMap& renderPassesById) OVERRIDE;
+    virtual void drawFrame(RenderPassList& renderPassesInDrawOrder, RenderPassIdHashMap& renderPassesById) OVERRIDE;
 
     struct CC_EXPORT DrawingFrame {
         DrawingFrame();
         ~DrawingFrame();
 
         const RenderPassIdHashMap* renderPassesById;
         const RenderPass* rootRenderPass;
         const RenderPass* currentRenderPass;
         const ScopedResource* currentTexture;
 
@@ skipping 61 matching lines @@
     ScopedPtrHashMap<RenderPass::Id, CachedResource> m_renderPassTextures;
     ResourceProvider* m_resourceProvider;
 
 private:
     DISALLOW_COPY_AND_ASSIGN(DirectRenderer);
 };
 
 }  // namespace cc
 
 #endif  // CC_DIRECT_RENDERER_H_