Added labels under the windows in OverviewMode displaying their current name.

ash/wm/overview/window_selector_item.h

 // Copyright 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 ASH_WM_OVERVIEW_WINDOW_SELECTOR_ITEM_H_
 #define ASH_WM_OVERVIEW_WINDOW_SELECTOR_ITEM_H_
 
 #include "base/compiler_specific.h"
+#include "base/memory/scoped_ptr.h"
+#include "base/strings/string16.h"
 #include "ui/gfx/rect.h"
 
 namespace aura {
 class Window;
 }
 
+namespace views {
+class Widget;
+}
+
 namespace ash {
 
 // This class represents an item in overview mode. An item can have one or more
 // windows, of which only one can be activated by keyboard (i.e. alt+tab) but
 // any can be selected with a pointer (touch or mouse).
 class WindowSelectorItem {
  public:
   WindowSelectorItem();
   virtual ~WindowSelectorItem();
 
@@ skipping 42 matching lines @@
  protected:
   // Sets the bounds of this selector item to |target_bounds| in |root_window|.
   // If |animate| the windows are animated from their current location.
   virtual void SetItemBounds(aura::Window* root_window,
                              const gfx::Rect& target_bounds,
                              bool animate) = 0;
 
   // Sets the bounds used by the selector item's windows.
   void set_bounds(const gfx::Rect& bounds) { bounds_ = bounds; }
 
+  // Creates a label to display under the window selector item.
+  void UpdateWindowLabels(const gfx::Rect& target_bounds);
+
+  // Returns the label name.
+  virtual base::string16 GetLabelName() = 0;

[flackr, 2014/04/14 20:31:18]

This should probably be a const method, and return a const base::string16.

[Nina, 2014/04/15 15:15:03]

Refactored the code so that we don't need this anymore

+
  private:
   // The root window this item is being displayed on.
   aura::Window* root_window_;
 
   // The target bounds this selector item is fit within.
   gfx::Rect target_bounds_;
 
   // The actual bounds of the window(s) for this item. The aspect ratio of
   // window(s) are maintained so they may not fill the target_bounds_.
   gfx::Rect bounds_;
 
   // True if running SetItemBounds. This prevents recursive calls resulting from
   // the bounds update when calling ::wm::RecreateWindowLayers to copy
   // a window layer for display on another monitor.
   bool in_bounds_update_;
 
+  // Label under the window its active tab name.

[flackr, 2014/04/14 20:31:18]

nit s/its/displaying its

[Nina, 2014/04/15 15:15:03]

Done.

+  scoped_ptr<views::Widget> window_label_;
+
   DISALLOW_COPY_AND_ASSIGN(WindowSelectorItem);
 };
 
 }  // namespace ash
 
 #endif  // ASH_WM_OVERVIEW_WINDOW_SELECTOR_ITEM_H_