Delay activation/draw on GPU tile work completion

cc/test/fake_raster_buffer_provider.cc

 // Copyright 2016 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/test/fake_raster_buffer_provider.h"
 
 namespace cc {
 
 FakeRasterBufferProviderImpl::FakeRasterBufferProviderImpl() {}
 
@@ skipping 20 matching lines @@
 bool FakeRasterBufferProviderImpl::IsResourceSwizzleRequired(
     bool must_support_alpha) const {
   return ResourceFormatRequiresSwizzle(GetResourceFormat(must_support_alpha));
 }
 
 bool FakeRasterBufferProviderImpl::CanPartialRasterIntoProvidedResource()
     const {
   return true;
 }
 
+uint64_t FakeRasterBufferProviderImpl::SetReadyToDrawCallback(
+    const ResourceProvider::ResourceIdArray& resource_ids,
+    const base::Callback<void(uint64_t)>& callback,
+    uint64_t pending_callback_id) const {
+  return 0;
+}
+
 void FakeRasterBufferProviderImpl::Shutdown() {}
 
 }  // namespace cc