Modified OverviewMode's LabelButton bounds to cover the entire item.

ash/wm/overview/overview_window_button.h

Index: ash/wm/overview/overview_window_button.h
diff --git a/ash/wm/overview/overview_window_button.h b/ash/wm/overview/overview_window_button.h
deleted file mode 100644
index f3e181224dfb5e907771e9481c3999e94f084088..0000000000000000000000000000000000000000
--- a/ash/wm/overview/overview_window_button.h
+++ /dev/null
@@ -1,71 +0,0 @@
-// Copyright 2015 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_OVERVIEW_WINDOW_BUTTON_H_
-#define ASH_WM_OVERVIEW_OVERVIEW_WINDOW_BUTTON_H_
-
-#include "ash/wm/overview/scoped_transform_overview_window.h"
-#include "ui/views/controls/button/button.h"
-
-namespace aura {
-class ScopedWindowTargeter;
-}
-
-namespace ash {
-
-class OverviewWindowTargeter;
-
-// A class that encapsulates the LabelButton and targeting logic for overview
-// mode.
-class OverviewWindowButton : public views::ButtonListener {
- public:
-  // |target| is the window that should be activated when the button is pressed.
-  explicit OverviewWindowButton(aura::Window* target);
-
-  ~OverviewWindowButton() override;
-
-  // Sets the label and targetable bounds.
-  void SetBounds(const gfx::Rect& bounds,
-                 const OverviewAnimationType& animation_type);
-
-  // Sends an a11y focus alert so that, if chromevox is enabled, the window
-  // label is read.
-  void SendFocusAlert() const;
-
-  // Sets the label text.
-  void SetLabelText(const base::string16& title);
-
-  // Sets the label opacity.
-  void SetOpacity(float opacity);
-
-  // views::ButtonListener
-  void ButtonPressed(views::Button* sender, const ui::Event& event) override;
-
- private:
-  friend class WindowSelectorTest;
-
-  // LabelButton shown under each of the windows.
-  class OverviewButtonView;
-
-  // Window that the button will activate on click.
-  aura::Window* target_;
-
-  // Label under the window displaying its active tab name.
-  scoped_ptr<views::Widget> window_label_;
-
-  // View for the label button under the window.
-  OverviewButtonView* window_label_button_view_;
-
-  // Reference to the targeter implemented by the scoped window targeter.
-  OverviewWindowTargeter* overview_window_targeter_;
-
-  // Stores and restores on exit the actual window targeter.
-  scoped_ptr<aura::ScopedWindowTargeter> scoped_window_targeter_;
-
-  DISALLOW_COPY_AND_ASSIGN(OverviewWindowButton);
-};
-
-}  // namespace ash
-
-#endif  // ASH_WM_OVERVIEW_OVERVIEW_WINDOW_BUTTON_H_