content: Let embedders know when MojoShellConnection is initialized.

content/browser/browser_main_loop.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_BROWSER_MAIN_LOOP_H_
 #define CONTENT_BROWSER_BROWSER_MAIN_LOOP_H_
 
 #include <memory>
 
 #include "base/files/file_path.h"
@@ skipping 157 matching lines @@
   // Create all secondary threads.
   int CreateThreads();
 
   // Called right after the browser threads have been started.
   int BrowserThreadsStarted();
 
   int PreMainMessageLoopRun();
 
   void MainMessageLoopRun();
 
+  void InitializeMojo();
   base::FilePath GetStartupTraceFileName(
       const base::CommandLine& command_line) const;
   void InitStartupTracingForDuration(const base::CommandLine& command_line);
   void EndStartupTracing();
 
   void CreateAudioManager();
   bool UsingInProcessGpu() const;
 
   // Quick reference for initialization order:
   // Constructor
@@ skipping 110 matching lines @@
   std::unique_ptr<TimeZoneMonitor> time_zone_monitor_;
 
   // DO NOT add members here. Add them to the right categories above.
 
   DISALLOW_COPY_AND_ASSIGN(BrowserMainLoop);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_BROWSER_MAIN_LOOP_H_