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

Source/core/editing/Caret.cpp

Index: Source/core/editing/Caret.cpp
diff --git a/Source/core/editing/Caret.cpp b/Source/core/editing/Caret.cpp
index eb81c803c6eeb0d0e8ae7a16b6156f3e2ec289be..fce2545c25cf6c0ac89187ca5465b0cb6fd2b1f3 100644
--- a/Source/core/editing/Caret.cpp
+++ b/Source/core/editing/Caret.cpp
@@ -209,8 +209,11 @@ void CaretBase::repaintCaretForLocalRect(Node* node, const LayoutRect& rect)
 bool CaretBase::shouldRepaintCaret(const RenderView* view, bool isContentEditable) const
 {
     ASSERT(view);
-    Frame* frame = view->frameView() ? view->frameView()->frame() : 0; // The frame where the selection started.
-    bool caretBrowsing = frame && frame->settings() && frame->settings()->caretBrowsingEnabled();
+    bool caretBrowsing = false;
+    if (FrameView* frameView = view->frameView()) {
+        Frame& frame = frameView->frame(); // The frame where the selection started
+        caretBrowsing = frame.settings() && frame.settings()->caretBrowsingEnabled();
+    }
     return (caretBrowsing || isContentEditable);
 }