Add PDF compositor service

content/child/child_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_CHILD_CHILD_THREAD_IMPL_H_
 #define CONTENT_CHILD_CHILD_THREAD_IMPL_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 77 matching lines @@
 
   // ChildThread implementation:
 #if defined(OS_WIN)
   void PreCacheFont(const LOGFONT& log_font) override;
   void ReleaseCachedFonts() override;
 #endif
   void RecordAction(const base::UserMetricsAction& action) override;
   void RecordComputedAction(const std::string& action) override;
   ServiceManagerConnection* GetServiceManagerConnection() override;
   service_manager::Connector* GetConnector() override;
+  scoped_refptr<base::SingleThreadTaskRunner> GetIOTaskRunner() override;
 
   IPC::SyncChannel* channel() { return channel_.get(); }
 
   IPC::MessageRouter* GetRouter();
 
   mojom::RouteProvider* GetRemoteRouteProvider();
 
   // Allocates a block of shared memory of the given size. Returns nullptr on
   // failure.
   static std::unique_ptr<base::SharedMemory> AllocateSharedMemory(
@@ skipping 77 matching lines @@
 
   // IPC::Listener implementation:
   bool OnMessageReceived(const IPC::Message& msg) override;
   void OnAssociatedInterfaceRequest(
       const std::string& interface_name,
       mojo::ScopedInterfaceEndpointHandle handle) override;
   void OnChannelConnected(int32_t peer_pid) override;
   void OnChannelError() override;
 
   bool IsInBrowserProcess() const;
-  scoped_refptr<base::SingleThreadTaskRunner> GetIOTaskRunner();
 
  private:
   class ChildThreadMessageRouter : public IPC::MessageRouter {
    public:
     // |sender| must outlive this object.
     explicit ChildThreadMessageRouter(IPC::Sender* sender);
     bool Send(IPC::Message* msg) override;
 
     // MessageRouter overrides.
     bool RouteMessage(const IPC::Message& msg) override;
@@ skipping 113 matching lines @@
 
  private:
   struct Options options_;
 
   DISALLOW_COPY_AND_ASSIGN(Builder);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_CHILD_CHILD_THREAD_IMPL_H_