Implement HTMLMediaElement::srcObject.

Source/modules/mediastream/MediaStreamMediaProviderConverter.cpp

 /*
  * Copyright (C) 2014 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
  *     notice, this list of conditions and the following disclaimer in the
  *     documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
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-#ifndef FloatBoxTestHelpers_h
-#define FloatBoxTestHelpers_h
 
-#include <gtest/gtest.h>
+#include "config.h"
+#include "modules/mediastream/MediaStreamMediaProviderConverter.h"
+
+#include "bindings/core/v8/ScriptValue.h"
+#include "bindings/modules/v8/V8MediaStream.h"
+#include "modules/mediastream/MediaStream.h"
+
 namespace blink {
-class FloatBox;
 
-void PrintTo(const FloatBox&, ::std::ostream*);
-bool ApproximatelyEqual(const float&, const float&);
+MediaStreamMediaProviderConverter* MediaStreamMediaProviderConverter::converter()
+{
+    ASSERT(isMainThread());
+    DEFINE_STATIC_LOCAL(MediaStreamMediaProviderConverter, instance, ());
+    return &instance;
+}
 
-namespace FloatBoxTest {
-bool ApproximatelyEqual(const float&, const float&);
-bool ApproximatelyEqual(const FloatBox&, const FloatBox&);
-::testing::AssertionResult AssertAlmostEqual(const char*, const char*, const FloatBox&, const FloatBox&);
-::testing::AssertionResult AssertContains(const char*, const char*, const FloatBox&, const FloatBox&);
-} // namespace FloatBoxTest
+MediaStreamMediaProviderConverter::MediaStreamMediaProviderConverter()
+{
+}
+
+MediaProvider* MediaStreamMediaProviderConverter::getMediaProvider(const ScriptValue& value)
+{
+    v8::Handle<v8::Value> v8Value(value.v8Value());
+    MediaStream* stream = V8MediaStream::toNativeWithTypeCheck(value.isolate(), v8Value);
+    if (!stream)
+        return nullptr;
+    return stream;
+}
+
 } // namespace blink
 
-#endif // FloatBoxTestHelpers_h