Implement OffscreenCanvas.commit() on Unaccelerated 2D on worker

content/renderer/renderer_blink_platform_impl.h

 // Copyright (c) 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 CONTENT_RENDERER_RENDERER_BLINK_PLATFORM_IMPL_H_
 #define CONTENT_RENDERER_RENDERER_BLINK_PLATFORM_IMPL_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <memory>
 
 #include "base/compiler_specific.h"
 #include "base/id_map.h"
 #include "base/macros.h"
 #include "build/build_config.h"
 #include "cc/blink/web_compositor_support_impl.h"
 #include "content/child/blink_platform_impl.h"
+#include "content/child/child_shared_bitmap_manager.h"
 #include "content/common/content_export.h"
 #include "content/common/url_loader_factory.mojom.h"
 #include "content/renderer/origin_trials/web_trial_token_validator_impl.h"
 #include "content/renderer/top_level_blame_context.h"
 #include "content/renderer/webpublicsuffixlist_impl.h"
 #include "third_party/WebKit/public/platform/modules/indexeddb/WebIDBFactory.h"
 #include "third_party/WebKit/public/platform/modules/screen_orientation/WebScreenOrientationType.h"
 
 namespace cc {
 class ContextProvider;
@@ skipping 253 matching lines @@
 
   std::unique_ptr<blink::WebBlobRegistry> blob_registry_;
 
   WebPublicSuffixListImpl public_suffix_list_;
 
   scoped_refptr<base::SingleThreadTaskRunner> default_task_runner_;
   scoped_refptr<base::SingleThreadTaskRunner> loading_task_runner_;
   scoped_refptr<IPC::SyncMessageFilter> sync_message_filter_;
   scoped_refptr<ThreadSafeSender> thread_safe_sender_;
   scoped_refptr<QuotaMessageFilter> quota_message_filter_;
+  ChildSharedBitmapManager* shared_bitmap_manager_;
 
   std::unique_ptr<WebDatabaseObserverImpl> web_database_observer_impl_;
 
   cc_blink::WebCompositorSupportImpl compositor_support_;
 
   std::unique_ptr<blink::WebScrollbarBehavior> web_scrollbar_behavior_;
 
   IDMap<PlatformEventObserverBase, IDMapOwnPointer> platform_event_observers_;
 
   blink::scheduler::RendererScheduler* renderer_scheduler_;  // NOT OWNED
   TopLevelBlameContext top_level_blame_context_;
 
   WebTrialTokenValidatorImpl trial_token_validator_;
 
   std::unique_ptr<LocalStorageCachedAreas> local_storage_cached_areas_;
 
   std::unique_ptr<BlinkInterfaceProviderImpl> blink_interface_provider_;
 
   mojom::URLLoaderFactoryPtr url_loader_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RendererBlinkPlatformImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDERER_BLINK_PLATFORM_IMPL_H_