aura: Use the WindowSlider for gesture-nav while the page is reloading.

content/browser/web_contents/aura/window_slider.h

 // Copyright (c) 2013 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 CONTENT_BROWSER_WEB_CONTENTS_AURA_WINDOW_SLIDER_H_
 #define CONTENT_BROWSER_WEB_CONTENTS_AURA_WINDOW_SLIDER_H_
 
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
@@ skipping 47 matching lines @@
   // destroys itself.
   WindowSlider(Delegate* delegate,
                aura::Window* event_window,
                aura::Window* owner);
 
   virtual ~WindowSlider();
 
   // Changes the owner of the slider.
   void ChangeOwner(aura::Window* new_owner);
 
+  bool SlideIsInProgress() const;

[sky, 2013/06/21 21:16:54]

IsSlideInProgress?

[sadrul, 2013/06/21 23:48:53]

Done.

+
  private:
   // Sets up the slider layer correctly (sets the correct bounds of the layer,
   // parents it to the right layer, and sets up the correct stacking order).
   void SetupSliderLayer();
 
   void UpdateForScroll(float x_offset, float y_offset);
 
   void UpdateForFling(float x_velocity, float y_velocity);
 
   // Resets any in-progress slide.
@@ skipping 43 matching lines @@
 
   const float min_start_threshold_;
   const float complete_threshold_;
 
   DISALLOW_COPY_AND_ASSIGN(WindowSlider);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_WEB_CONTENTS_AURA_WINDOW_SLIDER_H_