Basic use implementation for MediaStream from Canvas: captureStream()

third_party/WebKit/public/platform/WebSkImage.h

Index: third_party/WebKit/public/platform/WebSkImage.h
diff --git a/third_party/WebKit/public/platform/WebSkImage.h b/third_party/WebKit/public/platform/WebSkImage.h
new file mode 100644
index 0000000000000000000000000000000000000000..6f9d64231f73756722c81733068d8f4dd483b95e
--- /dev/null
+++ b/third_party/WebKit/public/platform/WebSkImage.h
@@ -0,0 +1,45 @@
+// 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 WebSkImage_h
+#define WebSkImage_h
+
+#include "WebPrivatePtr.h"
+#include "third_party/skia/include/core/SkImage.h"
+
+#if INSIDE_BLINK
+namespace WTF {
+template <typename T> class PassRefPtr;
+}
+#endif
+
+namespace blink {
+
+// A container for an SkImage
+class BLINK_PLATFORM_EXPORT WebSkImage {
+public:
+    WebSkImage();
+    WebSkImage(const WebSkImage&);
+    ~WebSkImage();
+
+    bool isNull() const { return m_image.isNull(); }
+    int width() const;
+    int height() const;
+    bool readPixels(const SkImageInfo& dstInfo,
+        void* dstPixels,
+        size_t dstRowBytes,
+        int srcX,
+        int srcY) const;
+
+#if INSIDE_BLINK
+    WebSkImage(const WTF::PassRefPtr<SkImage>&);
+    WebSkImage& operator=(const WTF::PassRefPtr<SkImage>&);
+#endif
+private:
+    WebPrivatePtr<SkImage> m_image;
+};
+
+} // namespace blink
+
+#endif // WebSkImage_h