Fix "unused variable" warnings.

chrome/browser/chrome_browser_main.h

Index: chrome/browser/chrome_browser_main.h
diff --git a/chrome/browser/chrome_browser_main.h b/chrome/browser/chrome_browser_main.h
index 326406eb990e615badbeada532e44c523218f8f2..4c02bd8cecd0c75944d3fbffa4ad84c902ef9e09 100644
--- a/chrome/browser/chrome_browser_main.h
+++ b/chrome/browser/chrome_browser_main.h
@@ -166,6 +166,7 @@ class ChromeBrowserMainParts : public content::BrowserMainParts {
 
   std::unique_ptr<BrowserProcessImpl> browser_process_;
   scoped_refptr<metrics::TrackingSynchronizer> tracking_synchronizer_;
+
 #if !defined(OS_ANDROID)
   // Browser creation happens on the Java side in Android.
   std::unique_ptr<StartupBrowserCreator> browser_creator_;
@@ -176,10 +177,16 @@ class ChromeBrowserMainParts : public content::BrowserMainParts {
 
   // Android's first run is done in Java instead of native.
   std::unique_ptr<first_run::MasterPrefs> master_prefs_;
+
+  ProcessSingleton::NotifyResult notify_result_ =
+      ProcessSingleton::PROCESS_NONE;
+
+  // Members needed across shutdown methods.
+  bool restart_last_session_ = false;
 #endif
+
   Profile* profile_;
   bool run_message_loop_;
-  ProcessSingleton::NotifyResult notify_result_;
   std::unique_ptr<ThreeDAPIObserver> three_d_observer_;
 
   // Initialized in SetupMetricsAndFieldTrials.
@@ -190,9 +197,6 @@ class ChromeBrowserMainParts : public content::BrowserMainParts {
   PrefService* local_state_;
   base::FilePath user_data_dir_;
 
-  // Members needed across shutdown methods.
-  bool restart_last_session_;
-
   DISALLOW_COPY_AND_ASSIGN(ChromeBrowserMainParts);
 };