Draggable region support for frameless app window on CrOS.

chrome/browser/ui/views/extensions/shell_window_views.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 CHROME_BROWSER_UI_VIEWS_EXTENSIONS_SHELL_WINDOW_VIEWS_H_
 #define CHROME_BROWSER_UI_VIEWS_EXTENSIONS_SHELL_WINDOW_VIEWS_H_
 
 #include "chrome/browser/ui/base_window.h"
 #include "chrome/browser/ui/extensions/native_shell_window.h"
 #include "chrome/browser/ui/extensions/shell_window.h"
@@ skipping 49 matching lines @@
   virtual views::View* GetContentsView() OVERRIDE;
   virtual views::NonClientFrameView* CreateNonClientFrameView(
       views::Widget* widget) OVERRIDE;
   virtual bool CanResize() const OVERRIDE;
   virtual bool CanMaximize() const OVERRIDE;
   virtual views::Widget* GetWidget() OVERRIDE;
   virtual const views::Widget* GetWidget() const OVERRIDE;
   virtual string16 GetWindowTitle() const OVERRIDE;
   virtual void DeleteDelegate() OVERRIDE;
   virtual views::View* GetInitiallyFocusedView() OVERRIDE;
+  virtual bool ShouldDescendIntoChildForEventHandling(
+      gfx::NativeView child,
+      const gfx::Point& location) OVERRIDE;
 
  protected:
   // views::View implementation.
   virtual void Layout() OVERRIDE;
   virtual void ViewHierarchyChanged(
       bool is_add, views::View *parent, views::View *child) OVERRIDE;
   virtual gfx::Size GetMinimumSize() OVERRIDE;
   virtual gfx::Size GetMaximumSize() OVERRIDE;
   virtual void OnFocus() OVERRIDE;
 
@@ skipping 28 matching lines @@
   scoped_ptr<SkRegion> draggable_region_;
 
   bool frameless_;
   gfx::Size minimum_size_;
   gfx::Size maximum_size_;
 
   DISALLOW_COPY_AND_ASSIGN(ShellWindowViews);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_EXTENSIONS_SHELL_WINDOW_VIEWS_H_