Combobox: Rename styles to STYLE_NORMAL and STYLE_ACTION and modify behaviors

ui/views/examples/text_example.cc

 // 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.
 
 #include "ui/views/examples/text_example.h"
 
 #include "base/strings/utf_string_conversions.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/gfx/canvas.h"
 #include "ui/gfx/font_list.h"
@@ skipping 237 matching lines @@
   SetFlagFromCheckbox(break_checkbox_, &flags, gfx::Canvas::CHARACTER_BREAK);
   SetFlagFromCheckbox(bold_checkbox_, &style, gfx::Font::BOLD);
   SetFlagFromCheckbox(italic_checkbox_, &style, gfx::Font::ITALIC);
   SetFlagFromCheckbox(underline_checkbox_, &style, gfx::Font::UNDERLINE);
   text_view_->set_halo(halo_checkbox_->checked());
   text_view_->set_text_flags(flags);
   text_view_->SetFontStyle(style);
   text_view_->SchedulePaint();
 }
 
-void TextExample::OnSelectedIndexChanged(Combobox* combobox) {
+void TextExample::OnPerformAction(Combobox* combobox) {
   int text_flags = text_view_->text_flags();
   if (combobox == h_align_cb_) {
     text_flags &= ~(gfx::Canvas::TEXT_ALIGN_LEFT |
                     gfx::Canvas::TEXT_ALIGN_CENTER |
                     gfx::Canvas::TEXT_ALIGN_RIGHT);
     switch (combobox->selected_index()) {
       case 0:
         break;
       case 1:
         text_flags |= gfx::Canvas::TEXT_ALIGN_LEFT;
@@ skipping 54 matching lines @@
         text_flags |= gfx::Canvas::HIDE_PREFIX;
         break;
     }
   }
   text_view_->set_text_flags(text_flags);
   text_view_->SchedulePaint();
 }
 
 }  // namespace examples
 }  // namespace views