Return Frame&, not Frame* from RenderView::frame()

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 679 matching lines @@
             m_scrollbarGroup->scrollAnimator()->mouseExitedContentArea();
     }
 
     WebCursorInfo cursorInfo;
     if (m_webPlugin->handleInputEvent(webEvent, cursorInfo))
         event->setDefaultHandled();
 
     // A windowless plugin can change the cursor in response to a mouse move
     // event.  We need to reflect the changed cursor in the frame view as the
     // mouse is moved in the boundaries of the windowless plugin.
-    Page* page = parentView->frame()->page();
+    Page* page = parentView->frame().page();
     if (!page)
         return;
     ChromeClientImpl* chromeClient = static_cast<ChromeClientImpl*>(&page->chrome().client());
     chromeClient->setCursorForPlugin(cursorInfo);
 }
 
 void WebPluginContainerImpl::handleDragEvent(MouseEvent* event)
 {
     ASSERT(event->isDragEvent());
 
@@ skipping 134 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();
-    if (Page* currentPage = containingFrame->page())
-        currentPage->focusController().setFocusedElement(m_element, containingFrame);
+    Frame& containingFrame = static_cast<FrameView*>(parent())->frame();
+    if (Page* currentPage = containingFrame.page())
+        currentPage->focusController().setFocusedElement(m_element, &containingFrame);
     else
-        containingFrame->document()->setFocusedElement(m_element);
+        containingFrame.document()->setFocusedElement(m_element);
 }
 
 void WebPluginContainerImpl::calculateGeometry(const IntRect& frameRect,
                                                IntRect& windowRect,
                                                IntRect& clipRect,
                                                Vector<IntRect>& cutOutRects)
 {
     windowRect = parent()->contentsToWindow(frameRect);
 
     // Calculate a clip-rect so that we don't overlap the scrollbars, etc.
@@ skipping 18 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