Don't lock the cursor when dragging or resizing a window with touch

ash/wm/workspace/workspace_window_resizer.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_WM_WORKSPACE_WINDOW_RESIZER_H_
 #define ASH_WM_WORKSPACE_WINDOW_RESIZER_H_
 
 #include <vector>
 
 #include "ash/wm/window_resizer.h"
@@ skipping 153 matching lines @@
   void SetDraggedWindowDocked(bool should_dock);
 
   aura::Window* window() const { return details_.window; }
 
   wm::WindowState* window_state() { return details_.window_state; }
 
   const Details details_;
 
   const std::vector<aura::Window*> attached_windows_;
 
+  bool did_lock_cursor_;
+
   // Set to true once Drag() is invoked and the bounds of the window change.
   bool did_move_or_resize_;
 
   // The initial size of each of the windows in |attached_windows_| along the
   // primary axis.
   std::vector<int> initial_size_;
 
   // Sum of the minimum sizes of the attached windows.
   int total_min_;
 
@@ skipping 38 matching lines @@
   // Current instance for use by the WorkspaceWindowResizerTest.
   static WorkspaceWindowResizer* instance_;
 
   DISALLOW_COPY_AND_ASSIGN(WorkspaceWindowResizer);
 };
 
 }  // namespace internal
 }  // namespace ash
 
 #endif  // ASH_WM_WORKSPACE_WINDOW_RESIZER_H_