Use a utility process for the Mojo v8 proxy resolver.

content/browser/utility_process_host_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_BROWSER_UTILITY_PROCESS_HOST_IMPL_H_
 #define CONTENT_BROWSER_UTILITY_PROCESS_HOST_IMPL_H_
 
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/files/file_path.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "content/public/browser/browser_child_process_host_delegate.h"
 #include "content/public/browser/utility_process_host.h"
 
 namespace base {
 class SequencedTaskRunner;
 class Thread;
 }
 
 namespace content {
 class BrowserChildProcessHostImpl;
+class MojoApplicationHost;
 
 typedef base::Thread* (*UtilityMainThreadFactoryFunction)(
     const std::string& id);
 
 class CONTENT_EXPORT UtilityProcessHostImpl
     : public NON_EXPORTED_BASE(UtilityProcessHost),
       public BrowserChildProcessHostDelegate {
  public:
   static void RegisterUtilityMainThreadFactory(
       UtilityMainThreadFactoryFunction create);
@@ skipping 10 matching lines @@
   void SetExposedDir(const base::FilePath& dir) override;
   void EnableMDns() override;
   void DisableSandbox() override;
 #if defined(OS_WIN)
   void ElevatePrivileges() override;
 #endif
   const ChildProcessData& GetData() override;
 #if defined(OS_POSIX)
   void SetEnv(const base::EnvironmentMap& env) override;
 #endif
+  bool StartMojoMode() override;
+  ServiceRegistry* GetServiceRegistry() override;
 
   void set_child_flags(int flags) { child_flags_ = flags; }
 
  private:
   // Starts a process if necessary.  Returns true if it succeeded or a process
   // has already been started via StartBatchMode().
   bool StartProcess();
 
   // BrowserChildProcessHost:
   bool OnMessageReceived(const IPC::Message& message) override;
   void OnProcessLaunchFailed() override;
   void OnProcessCrashed(int exit_code) override;
+  void OnProcessLaunched() override;
 
   // A pointer to our client interface, who will be informed of progress.
   scoped_refptr<UtilityProcessHostClient> client_;
   scoped_refptr<base::SequencedTaskRunner> client_task_runner_;
   // True when running in batch mode, i.e., StartBatchMode() has been called
   // and the utility process will run until EndBatchMode().
   bool is_batch_mode_;
 
   base::FilePath exposed_dir_;
 
@@ skipping 12 matching lines @@
 
   base::EnvironmentMap env_;
 
   bool started_;
 
   scoped_ptr<BrowserChildProcessHostImpl> process_;
 
   // Used in single-process mode instead of process_.
   scoped_ptr<base::Thread> in_process_thread_;
 
+  // Browser-side Mojo endpoint which sets up a Mojo channel with the child
+  // process and contains the browser's ServiceRegistry.
+  scoped_ptr<MojoApplicationHost> mojo_application_host_;
+
   DISALLOW_COPY_AND_ASSIGN(UtilityProcessHostImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_UTILITY_PROCESS_HOST_IMPL_H_