content: Terminate early if the toolkit initialization fails.

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 "base/basictypes.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 49 matching lines @@
   // Returns the current instance. This is used to get access to the getters
   // that return objects which are owned by this class.
   static BrowserMainLoop* GetInstance();
 
   explicit BrowserMainLoop(const MainFunctionParams& parameters);
   virtual ~BrowserMainLoop();
 
   void Init();
 
   void EarlyInitialization();
-  void InitializeToolkit();
+  // Initializes the toolkit. Returns whether the toolkit initialization was
+  // successful or not.
+  bool InitializeToolkit();
   void MainMessageLoopStart();
 
   // Create and start running the tasks we need to complete startup. Note that
   // this can be called more than once (currently only on Android) if we get a
   // request for synchronous startup while the tasks created by asynchronous
   // startup are still running.
   void CreateStartupTasks();
 
   // Perform the default message loop run logic.
   void RunMainMessageLoopParts();
@@ skipping 104 matching lines @@
   scoped_ptr<base::debug::TraceEventSystemStatsMonitor> system_stats_monitor_;
 
   bool is_tracing_startup_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserMainLoop);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_BROWSER_MAIN_LOOP_H_