Remove parts of //cc we aren't using

cc/surfaces/display.h

 // Copyright 2014 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_SURFACES_DISPLAY_H_
 #define CC_SURFACES_DISPLAY_H_
 
 #include <vector>
 
 #include "base/memory/scoped_ptr.h"
 #include "cc/output/output_surface_client.h"
 #include "cc/output/renderer.h"
 #include "cc/resources/returned_resource.h"
 #include "cc/surfaces/surface_aggregator.h"
 #include "cc/surfaces/surface_id.h"
 #include "cc/surfaces/surface_manager.h"
 #include "cc/surfaces/surfaces_export.h"
 #include "ui/events/latency_info.h"
 
 namespace gpu {
 class GpuMemoryBufferManager;
 }
 
 namespace gfx {
 class Size;
 }
 
 namespace cc {
 
-class BlockingTaskRunner;
 class DirectRenderer;
 class DisplayClient;
 class OutputSurface;
 class RendererSettings;
 class ResourceProvider;
 class SharedBitmapManager;
 class Surface;
 class SurfaceAggregator;
 class SurfaceIdAllocator;
 class SurfaceFactory;
@@ skipping 34 matching lines @@
   void DidSwapBuffersComplete() override;
   void ReclaimResources(const CompositorFrameAck* ack) override {}
   void DidLoseOutputSurface() override;
   void SetExternalDrawConstraints(
       const gfx::Transform& transform,
       const gfx::Rect& viewport,
       const gfx::Rect& clip,
       const gfx::Rect& viewport_rect_for_tile_priority,
       const gfx::Transform& transform_for_tile_priority,
       bool resourceless_software_draw) override {}
-  void SetMemoryPolicy(const ManagedMemoryPolicy& policy) override;
   void SetTreeActivationCallback(const base::Closure& callback) override {}
 
   // RendererClient implementation.
   void SetFullRootLayerDamage() override {}
 
   // SurfaceDamageObserver implementation.
   void OnSurfaceDamaged(SurfaceId surface, bool* changed) override;
 
  private:
   void InitializeRenderer();
 
   DisplayClient* client_;
   SurfaceManager* manager_;
   SharedBitmapManager* bitmap_manager_;
   gpu::GpuMemoryBufferManager* gpu_memory_buffer_manager_;
   RendererSettings settings_;
   SurfaceId current_surface_id_;
   gfx::Size current_surface_size_;
   float device_scale_factor_;
   scoped_ptr<OutputSurface> output_surface_;
   scoped_ptr<ResourceProvider> resource_provider_;
   scoped_ptr<SurfaceAggregator> aggregator_;
   scoped_ptr<DirectRenderer> renderer_;
-  scoped_ptr<BlockingTaskRunner> blocking_main_thread_task_runner_;
   scoped_ptr<TextureMailboxDeleter> texture_mailbox_deleter_;
   std::vector<ui::LatencyInfo> stored_latency_info_;
 
   DISALLOW_COPY_AND_ASSIGN(Display);
 };
 
 }  // namespace cc
 
 #endif  // CC_SURFACES_DISPLAY_H_