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

Source/core/rendering/RenderIFrame.cpp

Index: Source/core/rendering/RenderIFrame.cpp
diff --git a/Source/core/rendering/RenderIFrame.cpp b/Source/core/rendering/RenderIFrame.cpp
index ffb8f5fba185e685f1e9b52a675bdec27d87fe92..c6328703efda94af742eb7dfc42c431298382f6e 100644
--- a/Source/core/rendering/RenderIFrame.cpp
+++ b/Source/core/rendering/RenderIFrame.cpp
@@ -91,7 +91,7 @@ RenderView* RenderIFrame::contentRootRenderer() const
     // FIXME: Is this always a valid cast? What about plugins?
     ASSERT(!widget() || widget()->isFrameView());
     FrameView* childFrameView = toFrameView(widget());
-    return childFrameView ? childFrameView->frame()->contentRenderer() : 0;
+    return childFrameView ? childFrameView->frame().contentRenderer() : 0;
 }
 
 void RenderIFrame::layoutSeamlessly()
@@ -114,7 +114,7 @@ void RenderIFrame::layoutSeamlessly()
     updateWidgetPosition(); // Notify the Widget of our final height.
 
     // Assert that the child document did a complete layout.
-    RenderView* childRoot = childFrameView ? childFrameView->frame()->contentRenderer() : 0;
+    RenderView* childRoot = childFrameView ? childFrameView->frame().contentRenderer() : 0;
     ASSERT(!childFrameView || !childFrameView->layoutPending());
     ASSERT_UNUSED(childRoot, !childRoot || !childRoot->needsLayout());
 }