cc: Use CHROMIUM_copy_image for one-copy tile updates.

cc/resources/resource_provider.h

Index: cc/resources/resource_provider.h
diff --git a/cc/resources/resource_provider.h b/cc/resources/resource_provider.h
index afabed7b8d8fcbc91c4278e70eab31e247cb7edb..3a948229f11107d864febb9addeb1584792bfab5 100644
--- a/cc/resources/resource_provider.h
+++ b/cc/resources/resource_provider.h
@@ -110,7 +110,6 @@ class CC_EXPORT ResourceProvider
     return best_render_buffer_format_;
   }
   ResourceFormat YuvResourceFormat(int bits) const;
-  bool use_sync_query() const { return use_sync_query_; }
   gpu::GpuMemoryBufferManager* gpu_memory_buffer_manager() {
     return gpu_memory_buffer_manager_;
   }
@@ -712,7 +711,6 @@ class CC_EXPORT ResourceProvider
   std::unique_ptr<IdAllocator> texture_id_allocator_;
   std::unique_ptr<IdAllocator> buffer_id_allocator_;
 
-  bool use_sync_query_;
   BufferToTextureTargetMap buffer_to_texture_target_map_;
 
   // A process-unique ID used for disambiguating memory dumps from different