Use ChromeBrowserMainPartsAndroid.

chrome/browser/chrome_browser_main.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 CHROME_BROWSER_CHROME_BROWSER_MAIN_H_
 #define CHROME_BROWSER_CHROME_BROWSER_MAIN_H_
 
 #include "base/basictypes.h"
 #include "base/gtest_prod_util.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 140 matching lines @@
   scoped_ptr<base::FieldTrialList> field_trial_list_;
 
   ChromeBrowserFieldTrials browser_field_trials_;
 
   // Vector of additional ChromeBrowserMainExtraParts.
   // Parts are deleted in the inverse order they are added.
   std::vector<ChromeBrowserMainExtraParts*> chrome_extra_parts_;
 
   // Members initialized after / released before main_message_loop_ ------------
 
-  scoped_ptr<StartupBrowserCreator> browser_creator_;
   scoped_ptr<BrowserProcessImpl> browser_process_;
   scoped_refptr<chrome_browser_metrics::TrackingSynchronizer>
       tracking_synchronizer_;
+#if !defined(OS_ANDROID)
+  // Browser creation happens on the Java side in Android.
+  scoped_ptr<StartupBrowserCreator> browser_creator_;

[Lei Zhang, 2012/08/29 19:23:57]

Are the StartupBrowserCreator class and ProcessSingleton class built on Android?
If yes, you may want to exclude them.

[Yaron, 2012/08/29 20:48:33]

StartupBrowserCreator was already excluded via gyp exclude. Removed
ProcessSingleton as well.

+
+  // Android doesn't support multiple browser processes, so it doesn't implement
+  // ProcessSingleton.
   scoped_ptr<ProcessSingleton> process_singleton_;
+#endif
   scoped_ptr<first_run::MasterPrefs> master_prefs_;
   bool record_search_engine_;
   TranslateManager* translate_manager_;
   Profile* profile_;
   bool run_message_loop_;
   ProcessSingleton::NotifyResult notify_result_;
 
   // Initialized in SetupMetricsAndFieldTrials.
   scoped_refptr<FieldTrialSynchronizer> field_trial_synchronizer_;
 
@@ skipping 32 matching lines @@
 // Records the time from our process' startup to the present time in
 // the Startup.BrowserMessageLoopStartTime UMA histogram.
 void RecordBrowserStartupTime();
 
 // Records a time value to an UMA histogram in the context of the
 // PreReadExperiment field-trial. This also reports to the appropriate
 // sub-histogram (_PreRead(Enabled|Disabled)).
 void RecordPreReadExperimentTime(const char* name, base::TimeDelta time);
 
 #endif  // CHROME_BROWSER_CHROME_BROWSER_MAIN_H_