Use a union typdef for the return type of canvas.getContext

third_party/WebKit/Source/modules/canvas2d/CanvasRenderingContext2D.cpp

 /*
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2007 Alp Toker <alp@atoker.com>
  * Copyright (C) 2008 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2008 Dirk Schulze <krit@webkit.org>
  * Copyright (C) 2010 Torch Mobile (Beijing) Co. Ltd. All rights reserved.
  * Copyright (C) 2012, 2013 Intel Corporation. All rights reserved.
  * Copyright (C) 2013 Adobe Systems Incorporated. All rights reserved.
  *
@@ skipping 17 matching lines @@
  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "modules/canvas2d/CanvasRenderingContext2D.h"
 
 #include "bindings/core/v8/ExceptionMessages.h"
 #include "bindings/core/v8/ExceptionState.h"
 #include "bindings/core/v8/ExceptionStatePlaceholder.h"
+#include "bindings/modules/v8/UnionTypesModules.h"
 #include "core/CSSPropertyNames.h"
 #include "core/css/StylePropertySet.h"
 #include "core/css/resolver/StyleResolver.h"
 #include "core/dom/AXObjectCache.h"
 #include "core/dom/StyleEngine.h"
 #include "core/events/Event.h"
 #include "core/frame/Settings.h"
 #include "core/html/TextMetrics.h"
 #include "core/html/canvas/CanvasFontCache.h"
 #include "core/layout/LayoutBox.h"
@@ skipping 72 matching lines @@
     , m_pruneLocalFontCacheScheduled(false)
 {
     if (document.settings() && document.settings()->antialiasedClips2dCanvasEnabled())
         m_clipAntialiasing = AntiAliased;
     setShouldAntialias(true);
 #if ENABLE(OILPAN)
     ThreadState::current()->registerPreFinalizer(this);
 #endif
 }
 
+void CanvasRenderingContext2D::setCanvasGetContextResult(RenderingContext& result)
+{
+    result.setCanvasRenderingContext2D(PassRefPtrWillBeRawPtr<CanvasRenderingContext2D>(this));
+}
+
 void CanvasRenderingContext2D::unwindStateStack()
 {
     if (size_t stackSize = m_stateStack.size()) {
         if (SkCanvas* skCanvas = canvas()->existingDrawingCanvas()) {
             while (--stackSize)
                 skCanvas->restore();
         }
     }
 }
 
@@ skipping 875 matching lines @@
 
 unsigned CanvasRenderingContext2D::hitRegionsCount() const
 {
     if (m_hitRegionManager)
         return m_hitRegionManager->getHitRegionsCount();
 
     return 0;
 }
 
 } // namespace blink