Refactor FullscreenController removing TogglePresentationMode & adding ToggleFullscreenWithChrome.

chrome/browser/ui/fullscreen/fullscreen_controller.h

Index: chrome/browser/ui/fullscreen/fullscreen_controller.h
diff --git a/chrome/browser/ui/fullscreen/fullscreen_controller.h b/chrome/browser/ui/fullscreen/fullscreen_controller.h
index 6b094f0a53fc9867428ebc587c654655dfbf093e..8da996e888fb23f16bcc1e963d404fcc6b99a289 100644
--- a/chrome/browser/ui/fullscreen/fullscreen_controller.h
+++ b/chrome/browser/ui/fullscreen/fullscreen_controller.h
@@ -74,7 +74,7 @@ class FullscreenController : public content::NotificationObserver {
 #endif
 
 #if defined(OS_MACOSX)
-  void TogglePresentationMode();
+  void ToggleFullscreenWithChrome();
 #endif
 
   // Mouse Lock ////////////////////////////////////////////////////////////////
@@ -130,6 +130,14 @@ class FullscreenController : public content::NotificationObserver {
     MOUSELOCK_ACCEPTED_SILENTLY
   };
 
+  enum FullscreenInternalOption {
+    BROWSER,
+#if defined(OS_MACOSX)
+    BROWSER_WITH_CHROME,
+#endif
+    TAB
+  };
+
   void UpdateNotificationRegistrations();
 
   // Posts a task to call NotifyFullscreenChange.
@@ -141,11 +149,9 @@ class FullscreenController : public content::NotificationObserver {
   void NotifyTabOfExitIfNecessary();
   void NotifyMouseLockChange();
 
-  // TODO(koz): Change |for_tab| to an enum.
-  void ToggleFullscreenModeInternal(bool for_tab);
-#if defined(OS_MACOSX)
-  void TogglePresentationModeInternal(bool for_tab);
-#endif
+  void ToggleFullscreenModeInternal(FullscreenInternalOption option);
+  void EnterFullscreenModeInternal(FullscreenInternalOption option);
+  void ExitFullscreenModeInternal();
   void SetFullscreenedTab(content::WebContents* tab);
   void SetMouseLockTab(content::WebContents* tab);