[cros] Use WideButton for all screens, increase textfield vmargin on login screen.

views/controls/button/text_button.h

 // Copyright (c) 2010 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 VIEWS_CONTROLS_BUTTON_TEXT_BUTTON_H_
 #define VIEWS_CONTROLS_BUTTON_TEXT_BUTTON_H_
 #pragma once
 
 #include <string>
 
@@ skipping 120 matching lines @@
     icon_placement_ = icon_placement;
   }
 
   // TextButton remembers the maximum display size of the text passed to
   // SetText. This method resets the cached maximum display size to the
   // current size.
   void ClearMaxTextSize();
 
   void set_max_width(int max_width) { max_width_ = max_width; }
   void SetFont(const gfx::Font& font);
+  // Return the font used by this button.
+  gfx::Font font() const { return font_; }
+
   void SetEnabledColor(SkColor color);
   void SetDisabledColor(SkColor color);
   void SetHighlightColor(SkColor color);
   void SetHoverColor(SkColor color);
   void SetTextHaloColor(SkColor color);
   void SetNormalHasBorder(bool normal_has_border);
   // Sets whether or not to show the hot and pushed states for the button icon
   // (if present) in addition to the normal state.  Defaults to true.
   void SetShowMultipleIconStates(bool show_multiple_icon_states);
 
@@ skipping 86 matching lines @@
 
   // Space between icon and text.
   int icon_text_spacing_;
 
   DISALLOW_COPY_AND_ASSIGN(TextButton);
 };
 
 }  // namespace views
 
 #endif  // VIEWS_CONTROLS_BUTTON_TEXT_BUTTON_H_