Correct immersive mode gestures under rotation

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

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_UI_VIEWS_FRAME_IMMERSIVE_MODE_CONTROLLER_ASH_H_
 #define CHROME_BROWSER_UI_VIEWS_FRAME_IMMERSIVE_MODE_CONTROLLER_ASH_H_
 
 #include "chrome/browser/ui/views/frame/immersive_mode_controller.h"
 
 #include "base/timer.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "ui/base/events/event_handler.h"
 #include "ui/compositor/layer_animation_observer.h"
 #include "ui/views/focus/focus_manager.h"
 #include "ui/views/widget/widget_observer.h"
 
 class BrowserView;
 
 namespace aura {
 class Window;
+class RootWindow;
 }
 
 namespace gfx {
 class Transform;
 }
 
 namespace ui {
 class Layer;
 }
 
@@ skipping 183 matching lines @@
   // mouse state.
   scoped_ptr<ImmersiveRevealedLock> mouse_revealed_lock_;
 
   // Lock which keeps the top-of-window views revealed based on the focused view
   // and the active widget.
   scoped_ptr<ImmersiveRevealedLock> focus_revealed_lock_;
 
   // Native window for the browser, needed to clean up observers.
   aura::Window* native_window_;
 
+  // Native window for Top-Level Window, needed for registering as filter.
+  aura::RootWindow* root_window_;
+
   // Observer to disable immersive mode when window leaves the maximized state.
   class WindowObserver;
   scoped_ptr<WindowObserver> window_observer_;
 
   // Manages widgets which are anchored to the top-of-window views.
   class AnchoredWidgetManager;
   scoped_ptr<AnchoredWidgetManager> anchored_widget_manager_;
 
   content::NotificationRegistrar registrar_;
 
   base::WeakPtrFactory<ImmersiveModeControllerAsh> weak_ptr_factory_;
 
   // Tracks if the controller has seen a ET_GESTURE_SCROLL_BEGIN, without the
   // following events.
   bool gesture_begun_;
 
+  // Inset size needed to guarantee that even under rotation the filter will see
+  // relevant events.
+  int bezel_inset_;
+
   DISALLOW_COPY_AND_ASSIGN(ImmersiveModeControllerAsh);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_FRAME_IMMERSIVE_MODE_CONTROLLER_ASH_H_