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

Source/core/rendering/RenderLayer.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc. All rights reserved.
  *
  * Portions are Copyright (C) 1998 Netscape Communications Corporation.
  *
  * Other contributors:
  *   Robert O'Callahan <roc+@cs.cmu.edu>
  *   David Baron <dbaron@fas.harvard.edu>
  *   Christian Biesinger <cbiesinger@web.de>
  *   Randall Jesup <rjesup@wgate.com>
@@ skipping 2280 matching lines @@
     // If scrollbars aren't explicitly forbidden, permit scrolling.
     if (frameElementBase && frameElementBase->scrollingMode() != ScrollbarAlwaysOff)
         return true;
 
     // If scrollbars are forbidden, user initiated scrolls should obviously be ignored.
     if (frameView->wasScrolledByUser())
         return false;
 
     // Forbid autoscrolls when scrollbars are off, but permits other programmatic scrolls,
     // like navigation to an anchor.
-    Page* page = frameView->frame()->page();
+    Page* page = frameView->frame().page();
     if (!page)
         return false;
     return !page->autoscrollInProgress();
 }
 
 void RenderLayer::scrollRectToVisible(const LayoutRect& rect, const ScrollAlignment& alignX, const ScrollAlignment& alignY)
 {
     RenderLayer* parentLayer = 0;
     LayoutRect newRect = rect;
 
@@ skipping 4161 matching lines @@
     }
 }
 
 void showLayerTree(const WebCore::RenderObject* renderer)
 {
     if (!renderer)
         return;
     showLayerTree(renderer->enclosingLayer());
 }
 #endif