Add views::Button style enum for LabelButton [native] styling, etc.

ui/views/controls/button/button.h

 // Copyright (c) 2011 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_BUTTON_H_
 #define UI_VIEWS_CONTROLS_BUTTON_BUTTON_H_
 
 #include "ui/views/view.h"
 
 namespace views {
@@ skipping 10 matching lines @@
  protected:
   virtual ~ButtonListener() {}
 };
 
 // A View representing a button. Depending on the specific type, the button
 // could be implemented by a native control or custom rendered.
 class VIEWS_EXPORT Button : public View {
  public:
   virtual ~Button();
 
+  // Button states for various button sub-types.
+  // TODO(msw): Add toggled state for checkboxes, radio buttons, etc.
+  enum ButtonState {
+    STATE_NORMAL = 0,
+    STATE_HOVERED,
+    STATE_PRESSED,
+    STATE_DISABLED,
+    STATE_COUNT,
+  };
+
+  // Button styles with associated images and border painters.
+  // TODO(msw): Add "Chrome Style", Checkbox, Radio, Menu, ComboBox, etc.
+  enum ButtonStyle {
+    STYLE_TEXTBUTTON = 0,
+    STYLE_NATIVE_TEXTBUTTON,
+    STYLE_COUNT,
+  };
+
   void SetTooltipText(const string16& tooltip_text);
 
   int tag() const { return tag_; }
   void set_tag(int tag) { tag_ = tag; }
 
   void SetAccessibleName(const string16& name);
 
   // Overridden from View:
   virtual bool GetTooltipText(const gfx::Point& p,
                               string16* tooltip) const OVERRIDE;
@@ skipping 21 matching lines @@
   // The id tag associated with this button. Used to disambiguate buttons in
   // the ButtonListener implementation.
   int tag_;
 
   DISALLOW_COPY_AND_ASSIGN(Button);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_CONTROLS_BUTTON_BUTTON_H_