Add TimedCanvasDrawListener

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

Index: third_party/WebKit/Source/core/html/canvas/CanvasDrawListener.cpp
diff --git a/third_party/WebKit/Source/core/html/canvas/CanvasDrawListener.cpp b/third_party/WebKit/Source/core/html/canvas/CanvasDrawListener.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..49f013bd5559e7ef3d08870b94aeae4ee678d3c9
--- /dev/null
+++ b/third_party/WebKit/Source/core/html/canvas/CanvasDrawListener.cpp
@@ -0,0 +1,29 @@
+// 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/CanvasDrawListener.h"
+
+#include "public/platform/WebSkImage.h"
+
+namespace blink {
+
+CanvasDrawListener::~CanvasDrawListener() {}
+
+bool CanvasDrawListener::needsNewFrame() const
+{
+    return m_handler->needsNewFrame();
+}
+
+void CanvasDrawListener::sendNewFrame(const WTF::PassRefPtr<SkImage>& image)
+{
+    m_handler->sendNewFrame(WebSkImage(image));
+}
+
+CanvasDrawListener::CanvasDrawListener(const PassOwnPtr<WebCanvasCaptureHandler>& handler)
+    : m_handler(handler)
+{
+}
+
+} // namespace blink