cc: Delete the Renderer base class.

cc/output/renderer.h

Index: cc/output/renderer.h
diff --git a/cc/output/renderer.h b/cc/output/renderer.h
index d91e9cd71a8fdd85a0d5f4d56b91df385636ec18..2f21b377f3c928d5a2da6cea0a03af88af4c0ae7 100644
--- a/cc/output/renderer.h
+++ b/cc/output/renderer.h
@@ -23,8 +23,6 @@ class RenderPassId;
 class ScopedResource;
 class Task;
 
-typedef std::vector<std::unique_ptr<RenderPass>> RenderPassList;
-
 struct RendererCapabilitiesImpl {
   RendererCapabilitiesImpl();
   ~RendererCapabilitiesImpl();
@@ -49,56 +47,6 @@ struct RendererCapabilitiesImpl {
   RendererCapabilities MainThreadCapabilities() const;
 };
 
-class CC_EXPORT RendererClient {
- public:
-  virtual void SetFullRootLayerDamage() = 0;
-};
-
-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(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::ColorSpace& device_color_space,
-                         const gfx::Rect& device_viewport_rect,
-                         const gfx::Rect& device_clip_rect) = 0;
-
-  // Waits for rendering to finish.
-  virtual void Finish() = 0;
-
-  // Puts backbuffer onscreen.
-  virtual void SwapBuffers(CompositorFrameMetadata metadata) = 0;
-  virtual void ReclaimResources(const ReturnedResourceArray& resources) {}
-
-  bool visible() const { return visible_; }
-  void SetVisible(bool visible);
-
- protected:
-  Renderer(RendererClient* client, const RendererSettings* settings)
-      : client_(client), settings_(settings), visible_(true) {}
-
-  virtual void DidChangeVisibility() = 0;
-
-  RendererClient* client_;
-  const RendererSettings* settings_;
-  bool visible_;
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(Renderer);
-};
-
 }  // namespace cc
 
 #endif  // CC_OUTPUT_RENDERER_H_