Add PDF compositor service

content/public/renderer/render_thread.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_PUBLIC_RENDERER_RENDER_THREAD_H_
 #define CONTENT_PUBLIC_RENDERER_RENDER_THREAD_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 34 matching lines @@
   // Returns the one render thread for this process.  Note that this can only
   // be accessed when running on the render thread itself.
   static RenderThread* Get();
 
   RenderThread();
   ~RenderThread() override;
 
   virtual IPC::SyncChannel* GetChannel() = 0;
   virtual std::string GetLocale() = 0;
   virtual IPC::SyncMessageFilter* GetSyncMessageFilter() = 0;
-  virtual scoped_refptr<base::SingleThreadTaskRunner> GetIOTaskRunner() = 0;
 
   // Called to add or remove a listener for a particular message routing ID.
   // These methods normally get delegated to a MessageRouter.
   virtual void AddRoute(int32_t routing_id, IPC::Listener* listener) = 0;
   virtual void RemoveRoute(int32_t routing_id) = 0;
   virtual int GenerateRoutingID() = 0;
 
   // These map to IPC::ChannelProxy methods.
   virtual void AddFilter(IPC::MessageFilter* filter) = 0;
   virtual void RemoveFilter(IPC::MessageFilter* filter) = 0;
@@ skipping 47 matching lines @@
   GetLoadingTaskRunner() = 0;
 
   // Tells the renderer that a field trial was activated.
   virtual void SetFieldTrialGroup(const std::string& trial_name,
                                   const std::string& group_name) = 0;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_RENDERER_RENDER_THREAD_H_