Cleanup: Start using toFoo methods as part of newly adopted coding guideline.

Source/web/WebPluginContainerImpl.cpp

 /*
  * Copyright (C) 2009 Google 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.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 176 matching lines @@
     //    http://devedge-temp.mozilla.org/library/manuals/2002/plugin/1.0/structures5.html#1000000
     // Don't take the documentation as truth, however.  There are many cases
     // where mozilla behaves differently than the spec.
     if (event->isMouseEvent())
         handleMouseEvent(toMouseEvent(event));
     else if (event->hasInterface(eventNames().interfaceForWheelEvent))
         handleWheelEvent(static_cast<WheelEvent*>(event));
     else if (event->isKeyboardEvent())
         handleKeyboardEvent(toKeyboardEvent(event));
     else if (eventNames().isTouchEventType(event->type()))
-        handleTouchEvent(static_cast<TouchEvent*>(event));
+        handleTouchEvent(toTouchEvent(event));
     else if (eventNames().isGestureEventType(event->type()))
         handleGestureEvent(static_cast<GestureEvent*>(event));
 
     // FIXME: it would be cleaner if Widget::handleEvent returned true/false and
     // HTMLPluginElement called setDefaultHandled or defaultEventHandler.
     if (!event->defaultHandled())
         m_element->Node::defaultEventHandler(event);
 }
 
 void WebPluginContainerImpl::frameRectsChanged()
@@ skipping 641 matching lines @@
     if (webEvent.type == WebInputEvent::Undefined)
         return;
 
     WebCursorInfo cursorInfo;
     if (m_webPlugin->handleInputEvent(webEvent, cursorInfo))
         event->setDefaultHandled();
 }
 
 void WebPluginContainerImpl::focusPlugin()
 {
-    Frame& containingFrame = static_cast<FrameView*>(parent())->frame();
+    Frame& containingFrame = toFrameView(parent())->frame();
     if (Page* currentPage = containingFrame.page())
         currentPage->focusController().setFocusedElement(m_element, &containingFrame);
     else
         containingFrame.document()->setFocusedElement(m_element);
 }
 
 void WebPluginContainerImpl::calculateGeometry(const IntRect& frameRect,
                                                IntRect& windowRect,
                                                IntRect& clipRect,
                                                Vector<IntRect>& cutOutRects)
@@ skipping 22 matching lines @@
         // Take our element and get the clip rect from the enclosing layer and
         // frame view.
         clipRect.intersect(
             m_element->document().view()->windowClipRectForFrameOwner(m_element, true));
     }
 
     return clipRect;
 }
 
 } // namespace WebKit