Enable shelf gestures in immersive mode

ash/shelf/shelf_layout_manager.h

 // Copyright (c) 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 ASH_SHELF_SHELF_LAYOUT_MANAGER_H_
 #define ASH_SHELF_SHELF_LAYOUT_MANAGER_H_
 
 #include "ash/ash_export.h"
 #include "ash/launcher/launcher.h"
 #include "ash/shelf/background_animator.h"
@@ skipping 262 matching lines @@
   // of the keyboard if necessary.
   gfx::Rect GetAvailableBounds() const;
 
   // Overridden from keyboard::KeyboardControllerObserver:
   virtual void OnKeyboardBoundsChanging(
       const gfx::Rect& keyboard_bounds) OVERRIDE;
 
   // Generates insets for inward edge based on the current shelf alignment.
   gfx::Insets GetInsetsForAlignment(int distance) const;
 
+  // Tests if currently in immersive mode.
+  bool IsInImmersiveMode() const;

[James Cook, 2013/05/22 12:04:22]

ash/ has no knowledge of immersive mode. That's a browser-level construct. This
should be called something like FullscreenWithMinimalChrome, similar to the
window property key.

[rharrison, 2013/05/22 20:20:02]

Done.

+
   // The RootWindow is cached so that we don't invoke Shell::GetInstance() from
   // our destructor. We avoid that as at the time we're deleted Shell is being
   // deleted too.
   aura::RootWindow* root_window_;
 
   // True when inside LayoutShelf method. Used to prevent calling LayoutShelf
   // again from SetChildBounds().
   bool in_layout_;
 
   // See description above setter.
@@ skipping 43 matching lines @@
   // The bounds of the keyboard.
   gfx::Rect keyboard_bounds_;
 
   DISALLOW_COPY_AND_ASSIGN(ShelfLayoutManager);
 };
 
 }  // namespace internal
 }  // namespace ash
 
 #endif  // ASH_SHELF_SHELF_LAYOUT_MANAGER_H_