Basic use implementation for MediaStream from Canvas: captureStream()

third_party/WebKit/public/platform/WebCanvasCaptureHandler.h

Index: third_party/WebKit/public/platform/WebCanvasCaptureHandler.h
diff --git a/third_party/WebKit/public/platform/WebCanvasCaptureHandler.h b/third_party/WebKit/public/platform/WebCanvasCaptureHandler.h
new file mode 100644
index 0000000000000000000000000000000000000000..b2ed9dc2b2ea8d2d3db587a72d1e2c95afcbb342
--- /dev/null
+++ b/third_party/WebKit/public/platform/WebCanvasCaptureHandler.h
@@ -0,0 +1,25 @@
+// 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 WebCanvasCaptureHandler_h
+#define WebCanvasCaptureHandler_h
+
+#include "WebCommon.h"
+#include "public/platform/WebSkImage.h"
+
+namespace blink {
+
+class WebSkImage;
+
+// Platform interface of a CanvasCaptureHandler.
+class BLINK_PLATFORM_EXPORT WebCanvasCaptureHandler {
+public:
+    virtual ~WebCanvasCaptureHandler() = default;
+    virtual void sendNewFrame(const WebSkImage& image) {}
+    virtual bool needsNewFrameCapture() const { return false; }

[esprehn, 2015/12/03 18:47:34]

I would name this needsNewFrame() to match sendNewFrame()

[emircan, 2015/12/04 03:23:25]

Done.

+};
+
+} // namespace blink
+
+#endif // WebMediaRecorderHandler_h