[Refactor] Move the non-browser specific logic of ImmersiveModeControllerAsh into ash part 2

chrome/browser/ui/views/frame/immersive_mode_controller.h

Index: chrome/browser/ui/views/frame/immersive_mode_controller.h
diff --git a/chrome/browser/ui/views/frame/immersive_mode_controller.h b/chrome/browser/ui/views/frame/immersive_mode_controller.h
index 3810a240af6cc87d4695be96487148612e59d5e4..2221ca7cb143c9ec61b6f853d90ef87be5693bd8 100644
--- a/chrome/browser/ui/views/frame/immersive_mode_controller.h
+++ b/chrome/browser/ui/views/frame/immersive_mode_controller.h
@@ -8,8 +8,11 @@
 #include "base/compiler_specific.h"
 #include "base/observer_list.h"
 
-class BookmarkBarView;
-class FullscreenController;
+#if defined(USE_ASH)
+#include "ash/wm/immersive_revealed_lock.h"
+#endif
+
+class BrowserView;
 
 namespace content {
 class WebContents;
@@ -20,18 +23,16 @@ class Rect;
 class Size;
 }
 
-namespace views {
-class View;
-class Widget;
-}
-
-// Base class for a lock which keeps the top-of-window views revealed for the
-// duration of its lifetime. See ImmersiveModeController::GetRevealedLock() for
-// more details.
+#if defined(USE_ASH)
+typedef ash::ImmersiveRevealedLock ImmersiveRevealedLock;
+#else
+// Do nothing version of ash::ImmersiveRevealedLock.
 class ImmersiveRevealedLock {
  public:
-  virtual ~ImmersiveRevealedLock() {}
+  ImmersiveRevealedLock() {}
+  ~ImmersiveRevealedLock() {}
 };
+#endif
 
 // Controller for an "immersive mode" similar to MacOS presentation mode where
 // the top-of-window views are hidden until the mouse hits the top of the
@@ -57,32 +58,11 @@ class ImmersiveModeController {
     virtual ~Observer() {}
   };
 
-  class Delegate {
-   public:
-    // Returns the browser's FullscreenController.
-    virtual FullscreenController* GetFullscreenController() = 0;
-
-    // Returns the browser's active web contents for the active tab, or NULL if
-    // such does not exist.
-    virtual content::WebContents* GetWebContents() = 0;
-
-    // Notifies the delegate that fullscreen has been entered or exited.
-    virtual void FullscreenStateChanged() = 0;
-
-    // Requests that the tab strip be painted in a short, "light bar" style.
-    virtual void SetImmersiveStyle(bool immersive) = 0;
-
-   protected:
-    virtual ~Delegate() {}
-  };
-
   ImmersiveModeController();
   virtual ~ImmersiveModeController();
 
   // Must initialize after browser view has a Widget and native window.
-  virtual void Init(Delegate* delegate,
-                    views::Widget* widget,
-                    views::View* top_container) = 0;
+  virtual void Init(BrowserView* browser_view) = 0;
 
   // Enables or disables immersive mode.
   virtual void SetEnabled(bool enabled) = 0;