Use refs for GraphicsContext

third_party/WebKit/Source/core/inspector/InspectorInstrumentation.idl

 /*
 * Copyright (C) 2013 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 186 matching lines @@
     [Page, Inline=FastReturn]
     void didUpdateLayout(LocalFrame*);
 
     [Page, Inline=FastReturn]
     void didResizeMainFrame(LocalFrame*);
 
     [AsyncCallTracker, Inline=FastReturn]
     void didDispatchXHRLoadendEvent(ExecutionContext*, XMLHttpRequest*);
 
     [LayerTree, Inline=FastReturn]
-    void didPaint([Keep] LayoutObject*, const GraphicsLayer*, GraphicsContext*, const LayoutRect&);
+    void didPaint([Keep] LayoutObject*, const GraphicsLayer*, GraphicsContext&, const LayoutRect&);
 
     [Resource, Inline=FastReturn]
     InspectorInstrumentationCookie willRecalculateStyle([Keep] Document*);
 
     [Resource, Page, Inline=FastReturn]
     void didRecalculateStyle(const InspectorInstrumentationCookie&, int elementCount);
 
     [Resource, Inline=FastReturn]
     void didScheduleStyleRecalculation([Keep] Document*);
 
@@ skipping 224 matching lines @@
 interface InspectorOverrides {
     [CSS, Inline=FastReturn]
     bool forcePseudoState([Keep] Element* element, CSSSelector::PseudoType pseudoState);
 
     [Worker, Inline=FastReturn]
     bool shouldPauseDedicatedWorkerOnStart(ExecutionContext* context);
 
     [Resource, Inline=FastReturn]
     bool shouldForceCORSPreflight(Document*);
 }