Start an empty interface OffScreenCanvas

third_party/WebKit/Source/core/html/canvas/ImageBitmapRenderingContext.cpp

Index: third_party/WebKit/Source/core/html/canvas/ImageBitmapRenderingContext.cpp
diff --git a/third_party/WebKit/Source/core/html/canvas/ImageBitmapRenderingContext.cpp b/third_party/WebKit/Source/core/html/canvas/ImageBitmapRenderingContext.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..81776c05561454a9679ae0f9c1d530e846cccb48
--- /dev/null
+++ b/third_party/WebKit/Source/core/html/canvas/ImageBitmapRenderingContext.cpp
@@ -0,0 +1,18 @@
+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "config.h"
+#include "core/html/canvas/ImageBitmapRenderingContext.h"
+
+namespace blink {
+
+void ImageBitmapRenderingContext::transferImageBitmap(PassRefPtrWillBeRawPtr<ImageBitmap> bitmap)
+{
+}
+
+DEFINE_TRACE(ImageBitmapRenderingContext)
+{
+}
+
+} // namespace blink