cc: Support on demand raster with ganesh

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 Task;
 
 struct RendererCapabilitiesImpl {
   RendererCapabilitiesImpl();
   ~RendererCapabilitiesImpl();
 
   // Capabilities copied to main thread.
   ResourceFormat best_texture_format;
   bool allow_partial_texture_updates;
   int max_texture_size;
   bool using_shared_memory_resources;
 
   // Capabilities used on compositor thread only.
   bool using_partial_swap;
   bool using_egl_image;
   bool avoid_pow2_textures;
   bool using_map_image;
   bool using_discard_framebuffer;
   bool allow_rasterize_on_demand;
 
   RendererCapabilities MainThreadCapabilities() const;
 };
 
 class CC_EXPORT RendererClient {
  public:
   virtual void SetFullRootLayerDamage() = 0;
+  virtual void RunOnDemandRasterTask(Task* on_demand_raster_task) = 0;
 };
 
 class CC_EXPORT Renderer {
  public:
   virtual ~Renderer() {}
 
   virtual const RendererCapabilitiesImpl& Capabilities() const = 0;
 
   virtual void DecideRenderPassAllocationsForFrame(
       const RenderPassList& render_passes_in_draw_order) {}
@@ skipping 34 matching lines @@
   const LayerTreeSettings* settings_;
   bool visible_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(Renderer);
 };
 
 }  // namespace cc
 
 #endif  // CC_OUTPUT_RENDERER_H_