Add OnRequestCanvasDrawListener

third_party/WebKit/Source/modules/mediacapturefromelement/OnRequestCanvasDrawListener.h

Index: third_party/WebKit/Source/modules/mediacapturefromelement/OnRequestCanvasDrawListener.h
diff --git a/third_party/WebKit/Source/modules/mediacapturefromelement/OnRequestCanvasDrawListener.h b/third_party/WebKit/Source/modules/mediacapturefromelement/OnRequestCanvasDrawListener.h
new file mode 100644
index 0000000000000000000000000000000000000000..d140b92c7e74d7aac9262790f5501ac85615c0c8
--- /dev/null
+++ b/third_party/WebKit/Source/modules/mediacapturefromelement/OnRequestCanvasDrawListener.h
@@ -0,0 +1,32 @@
+// 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.
+
+#ifndef OnRequestCanvasDrawListener_h
+#define OnRequestCanvasDrawListener_h
+
+#include "core/html/canvas/CanvasDrawListener.h"
+#include "platform/heap/Handle.h"
+#include "public/platform/WebCanvasCaptureHandler.h"
+
+namespace blink {
+
+class OnRequestCanvasDrawListener final : public GarbageCollectedFinalized<OnRequestCanvasDrawListener>, public CanvasDrawListener {
+    USING_GARBAGE_COLLECTED_MIXIN(OnRequestCanvasDrawListener);
+public:
+    ~OnRequestCanvasDrawListener();
+    static OnRequestCanvasDrawListener* create(const PassOwnPtr<WebCanvasCaptureHandler>&);
+    bool needsNewFrame() const override;
+    void sendNewFrame(const WTF::PassRefPtr<SkImage>&) override;
+    void requestFrame() override;
+
+    DEFINE_INLINE_TRACE() {}
+private:
+    OnRequestCanvasDrawListener(const PassOwnPtr<WebCanvasCaptureHandler>&);
+
+    bool m_requestFrame;
+};
+
+} // namespace blink
+
+#endif