Add PDF compositor service

content/renderer/render_thread_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_RENDER_THREAD_IMPL_H_
 #define CONTENT_RENDERER_RENDER_THREAD_IMPL_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 172 matching lines @@
 
   // When initializing WebKit, ensure that any schemes needed for the content
   // module are registered properly.  Static to allow sharing with tests.
   static void RegisterSchemes();
 
   // RenderThread implementation:
   bool Send(IPC::Message* msg) override;
   IPC::SyncChannel* GetChannel() override;
   std::string GetLocale() override;
   IPC::SyncMessageFilter* GetSyncMessageFilter() override;
-  scoped_refptr<base::SingleThreadTaskRunner> GetIOTaskRunner() override;
   void AddRoute(int32_t routing_id, IPC::Listener* listener) override;
   void RemoveRoute(int32_t routing_id) override;
   int GenerateRoutingID() override;
   void AddFilter(IPC::MessageFilter* filter) override;
   void RemoveFilter(IPC::MessageFilter* filter) override;
   void AddObserver(RenderThreadObserver* observer) override;
   void RemoveObserver(RenderThreadObserver* observer) override;
   void SetResourceDispatcherDelegate(
       ResourceDispatcherDelegate* delegate) override;
   std::unique_ptr<base::SharedMemory> HostAllocateSharedMemoryBuffer(
@@ skipping 12 matching lines @@
   scoped_refptr<base::SingleThreadTaskRunner> GetTimerTaskRunner() override;
   scoped_refptr<base::SingleThreadTaskRunner> GetLoadingTaskRunner() override;
   void SetFieldTrialGroup(const std::string& trial_name,
                           const std::string& group_name) override;
 
   // IPC::Listener implementation via ChildThreadImpl:
   void OnAssociatedInterfaceRequest(
       const std::string& name,
       mojo::ScopedInterfaceEndpointHandle handle) override;
 
+  // ChildThread implementation via ChildThreadImpl:
+  scoped_refptr<base::SingleThreadTaskRunner> GetIOTaskRunner() override;

[dcheng, 2017/05/10 07:36:48]

Nit: methods in .h and .cc files are supposed to be in the same order, so the
.cc file should be updated if we're also moving methods around

[Wei Li, 2017/05/11 16:53:02]

Done.

+
   // CompositorDependencies implementation.
   bool IsGpuRasterizationForced() override;
   bool IsAsyncWorkerContextEnabled() override;
   int GetGpuRasterizationMSAASampleCount() override;
   bool IsLcdTextEnabled() override;
   bool IsDistanceFieldTextEnabled() override;
   bool IsZeroCopyEnabled() override;
   bool IsPartialRasterEnabled() override;
   bool IsGpuMemoryBufferCompositorResourcesEnabled() override;
   bool IsElasticOverscrollEnabled() override;
@@ skipping 559 matching lines @@
   DISALLOW_COPY_AND_ASSIGN(RenderThreadImpl);
 };
 
 #if defined(COMPILER_MSVC)
 #pragma warning(pop)
 #endif
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDER_THREAD_IMPL_H_