cc: Remove most methods from RendererClient.

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"
 #include "cc/trees/layer_tree_host.h"
 
 namespace cc {
 
 class CompositorFrameAck;
 class CompositorFrameMetadata;
 class ScopedResource;
 
 class CC_EXPORT RendererClient {
  public:
   // These return the draw viewport and clip in non-y-flipped window space.
   // Note that while a draw is in progress, these are guaranteed to be
   // contained within the output surface size.
   virtual gfx::Rect DeviceViewport() const = 0;
   virtual gfx::Rect DeviceClip() const = 0;
-
-  virtual float DeviceScaleFactor() const = 0;
-  virtual const LayerTreeSettings& Settings() const = 0;
   virtual void SetFullRootLayerDamage() = 0;
-  virtual bool HasImplThread() const = 0;
-  virtual bool ShouldClearRootRenderPass() const = 0;
   virtual CompositorFrameMetadata MakeCompositorFrameMetadata() const = 0;
-  virtual bool AllowPartialSwap() const = 0;
-  virtual bool ExternalStencilTestEnabled() const = 0;
 
  protected:
   virtual ~RendererClient() {}
 };
 
 class CC_EXPORT Renderer {
  public:
   virtual ~Renderer() {}
 
   virtual const RendererCapabilities& Capabilities() const = 0;
 
-  const LayerTreeSettings& Settings() const { return client_->Settings(); }
-
   virtual void ViewportChanged() {}
 
   virtual bool CanReadPixels() const = 0;
 
   virtual void DecideRenderPassAllocationsForFrame(
       const RenderPassList& render_passes_in_draw_order) {}
   virtual bool HaveCachedResourcesForRenderPassId(RenderPass::Id id) const;
 
   // This passes ownership of the render passes to the renderer. It should
-  // consume them, and empty the list.
-  // The |offscreen_context_provider| may change from frame to frame and should
-  // not be cached.
+  // consume them, and empty the list. The parameters here may change from frame
+  // to frame and should not be cached.
   virtual void DrawFrame(RenderPassList* render_passes_in_draw_order,
-                         ContextProvider* offscreen_context_provider) = 0;
+                         ContextProvider* offscreen_context_provider,
+                         float device_scale_factor,
+                         bool allow_partial_swap) = 0;
 
   // Waits for rendering to finish.
   virtual void Finish() = 0;
 
   virtual void DoNoOp() {}
 
   // Puts backbuffer onscreen.
   virtual void SwapBuffers() = 0;
   virtual void ReceiveSwapBuffersAck(const CompositorFrameAck& ack) {}
 
   virtual void GetFramebufferPixels(void* pixels, gfx::Rect rect) = 0;
 
   virtual bool IsContextLost();
 
   virtual void SetVisible(bool visible) = 0;
 
   virtual void SendManagedMemoryStats(size_t bytes_visible,
                                       size_t bytes_visible_and_nearby,
                                       size_t bytes_allocated) = 0;
 
   virtual void SetDiscardBackBufferWhenNotVisible(bool discard) = 0;
 
  protected:
-  explicit Renderer(RendererClient* client)
-      : client_(client) {}
+  explicit Renderer(RendererClient* client, const LayerTreeSettings* settings)
+      : client_(client), settings_(settings) {}
 
   RendererClient* client_;
+  const LayerTreeSettings* settings_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(Renderer);
 };
 
 }  // namespace cc
 
 #endif  // CC_OUTPUT_RENDERER_H_