Introduce AndroidFocusRules and NativeWidgetAndroid

chrome/browser/chrome_browser_main_android.h

Index: chrome/browser/chrome_browser_main_android.h
diff --git a/chrome/browser/chrome_browser_main_android.h b/chrome/browser/chrome_browser_main_android.h
index 6facf02044d605ca2db623aa6c730fb3a46a3e7f..10f1a94700fe9511a2b39fea0c2dea19b4bdc7d0 100644
--- a/chrome/browser/chrome_browser_main_android.h
+++ b/chrome/browser/chrome_browser_main_android.h
@@ -11,14 +11,23 @@ namespace breakpad {
 class CrashDumpManager;
 }
 
+#if defined(USE_AURA)
+class WindowTreeHostManager;
+#endif
+
 class ChromeBrowserMainPartsAndroid : public ChromeBrowserMainParts {
  public:
   explicit ChromeBrowserMainPartsAndroid(
       const content::MainFunctionParams& parameters);
   ~ChromeBrowserMainPartsAndroid() override;
 
+#if defined(USE_AURA)
+  void InitAura();
+#endif
+
   // content::BrowserMainParts overrides.
   int PreCreateThreads() override;
+  void PreProfileInit() override;
   void PostProfileInit() override;
   void PreEarlyInitialization() override;
   void PreMainMessageLoopRun() override;
@@ -30,6 +39,9 @@ class ChromeBrowserMainPartsAndroid : public ChromeBrowserMainParts {
  private:
   scoped_ptr<base::MessageLoop> main_message_loop_;
   scoped_ptr<breakpad::CrashDumpManager> crash_dump_manager_;
+#if defined(USE_AURA)
+  scoped_ptr<WindowTreeHostManager> window_tree_host_manager_;
+#endif
 
   DISALLOW_COPY_AND_ASSIGN(ChromeBrowserMainPartsAndroid);
 };