Chrome on Android : Begin removing references to themes.

chrome/browser/ui/browser.cc

Index: chrome/browser/ui/browser.cc
diff --git a/chrome/browser/ui/browser.cc b/chrome/browser/ui/browser.cc
index a229eca1c39ebbee064a3b4e2c98592b3c3a1a03..24866e48bd0224b3f3d801541551be90fb2251b7 100644
--- a/chrome/browser/ui/browser.cc
+++ b/chrome/browser/ui/browser.cc
@@ -370,10 +370,12 @@ Browser::Browser(Type type, Profile* profile)
                  content::Source<Profile>(profile_->GetOriginalProfile()));
   registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_PROCESS_TERMINATED,
                  content::NotificationService::AllSources());
+#if defined(ENABLE_THEMES)
   registrar_.Add(
       this, chrome::NOTIFICATION_BROWSER_THEME_CHANGED,
       content::Source<ThemeService>(
           ThemeServiceFactory::GetForProfile(profile_)));
+#endif
   registrar_.Add(this, chrome::NOTIFICATION_WEB_CONTENT_SETTINGS_CHANGED,
                  content::NotificationService::AllSources());
 
@@ -4407,9 +4409,11 @@ void Browser::Observe(int type,
         window()->GetLocationBar()->UpdatePageActions();
       break;
 
+#if defined(ENABLE_THEMES)
     case chrome::NOTIFICATION_BROWSER_THEME_CHANGED:
       window()->UserChangedTheme();
       break;
+#endif
 
     case chrome::NOTIFICATION_PREF_CHANGED: {
       const std::string& pref_name =