Refactoring button field and its type

third_party/WebKit/Source/web/FrameLoaderClientImpl.cpp

 /*
  * Copyright (C) 2009, 2012 Google Inc. All rights reserved.
  * Copyright (C) 2011 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 519 matching lines @@
     const WebInputEvent* inputEvent = WebViewImpl::currentInputEvent();
     if (!inputEvent || (inputEvent->type != WebInputEvent::MouseUp && (inputEvent->type != WebInputEvent::RawKeyDown && inputEvent->type != WebInputEvent::KeyDown)
         && inputEvent->type != WebInputEvent::GestureTap))
         return false;
 
     unsigned short buttonNumber;
     if (WebInputEvent::isMouseEventType(inputEvent->type)) {
         const WebMouseEvent* mouseEvent = static_cast<const WebMouseEvent*>(inputEvent);
 
         switch (mouseEvent->button) {
-        case WebMouseEvent::ButtonLeft:
+        case WebMouseEvent::Button::Left:
             buttonNumber = 0;
             break;
-        case WebMouseEvent::ButtonMiddle:
+        case WebMouseEvent::Button::Middle:
             buttonNumber = 1;
             break;
-        case WebMouseEvent::ButtonRight:
+        case WebMouseEvent::Button::Right:
             buttonNumber = 2;
             break;
         default:
             return false;
         }
     } else {
         // The click is simulated when triggering the keypress event.
         buttonNumber = 0;
     }
     bool ctrl = inputEvent->modifiers & WebMouseEvent::ControlKey;
@@ skipping 472 matching lines @@
 {
     return WebLocalFrameImpl::fromFrame(m_webFrame->frame()->localFrameRoot())->devToolsAgentImpl();
 }
 
 KURL FrameLoaderClientImpl::overrideFlashEmbedWithHTML(const KURL& url)
 {
     return m_webFrame->client()->overrideFlashEmbedWithHTML(WebURL(url));
 }
 
 } // namespace blink