Partial raster for GPU

cc/raster/zero_copy_raster_buffer_provider.cc

 // Copyright 2013 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.
 
 #include "cc/raster/zero_copy_raster_buffer_provider.h"
 
 #include <stdint.h>
 
 #include <algorithm>
 
@@ skipping 98 matching lines @@
   }
 
   return resource_provider_->best_texture_format();
 }
 
 bool ZeroCopyRasterBufferProvider::IsResourceSwizzleRequired(
     bool must_support_alpha) const {
   return ResourceFormatRequiresSwizzle(GetResourceFormat(must_support_alpha));
 }
 
-bool ZeroCopyRasterBufferProvider::IsPartialRasterSupported() const {
+bool ZeroCopyRasterBufferProvider::CanPartialRasterIntoProvidedResource()
+    const {
   return false;
 }
 
 void ZeroCopyRasterBufferProvider::Shutdown() {}
 
 }  // namespace cc