Makes windows scale slightly when dragging the caption. Also wired

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_
 #pragma once
 
 #include "ash/wm/window_resizer.h"
 #include "base/compiler_specific.h"
 
 namespace ash {
 namespace internal {
 
 // WindowResizer implementation for workspaces. This enforces that windows are
 // not allowed to vertically move or resize outside of the work area. As windows
 // are moved outside the work area they are shrunk. We remember the height of
 // the window before it was moved so that if the window is again moved up we
 // attempt to restore the old height.
 class ASH_EXPORT WorkspaceWindowResizer : public WindowResizer {
  public:
   WorkspaceWindowResizer(aura::Window* window,
                          const gfx::Point& location,
                          int window_component,
                          int grid_size);
   virtual ~WorkspaceWindowResizer();
 
+  // Sets whether windows should be scaled when dragging from the caption.
+  static void SetScaleWindowsForTest(bool value);
+
+  // WindowResizer overrides:
+  virtual void CompleteDrag() OVERRIDE;
+  virtual void RevertDrag() OVERRIDE;
+
  protected:
   // WindowResizer overrides:
   virtual gfx::Rect GetBoundsForDrag(const gfx::Point& location) OVERRIDE;
   virtual gfx::Rect GetFinalBounds() OVERRIDE;
 
  private:
   // Used to maintain the height of the window before we started collapsing it.
   static void SetHeightBeforeObscured(aura::Window* window, int height);
   static void ClearHeightBeforeObscured(aura::Window* window);
   static int GetHeightBeforeObscured(aura::Window* window);
 
   // Adjusts the bounds to enforce that windows are vertically contained in the
   // work area.
   void AdjustBounds(gfx::Rect* bounds) const;
 
   // Returns true if the window touches the bottom of the work area.
   bool WindowTouchesBottomOfScreen() const;
 
+  // True if we scaled the window.
+  const bool scale_window_;
+
+  static bool scale_windows_;
+
   DISALLOW_COPY_AND_ASSIGN(WorkspaceWindowResizer);
 };
 
 }  // namespace internal
 }  // namespace ash
 
 #endif  // ASH_WM_WORKSPACE_WINDOW_RESIZER_H_