Replace Label::Alignment with gfx::HorizontalAlignment

ui/views/controls/button/label_button.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 UI_VIEWS_CONTROLS_BUTTON_LABEL_BUTTON_H_
 #define UI_VIEWS_CONTROLS_BUTTON_LABEL_BUTTON_H_
 
 #include "base/compiler_specific.h"
 #include "third_party/skia/include/core/SkColor.h"
 #include "ui/gfx/font.h"
@@ skipping 27 matching lines @@
   // Get or set the text's multi-line property to break on '\n', etc.
   bool GetTextMultiLine() const;
   void SetTextMultiLine(bool text_multi_line);
 
   // Get or set the font used by this button.
   const gfx::Font& GetFont() const;
   void SetFont(const gfx::Font& font);
 
   // Get or set the horizontal alignment used for the button.
   // The optional image will lead the text, unless the button is right-aligned.
-  Label::Alignment GetHorizontalAlignment() const;
-  void SetHorizontalAlignment(Label::Alignment alignment);
+  gfx::HorizontalAlignment GetHorizontalAlignment() const;
+  void SetHorizontalAlignment(gfx::HorizontalAlignment alignment);
 
   // Call set_min_size(gfx::Size()) to clear the monotonically increasing size.
   void set_min_size(const gfx::Size& min_size) { min_size_ = min_size; }
   void set_max_size(const gfx::Size& max_size) { max_size_ = max_size; }
 
   // Get or set the option to handle the return key; false by default.
   bool default_button() const { return default_button_; }
   void SetDefaultButton(bool default_button);
 
   // Get or set the option to use a native button appearance; false by default.
@@ skipping 48 matching lines @@
 
   // Flag indicating native theme styling (or Views styling) of the button.
   bool native_theme_;
 
   DISALLOW_COPY_AND_ASSIGN(LabelButton);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_CONTROLS_BUTTON_LABEL_BUTTON_H_