Apply new-style constraints to video_source.

content/renderer/media/mock_constraint_factory.h

Index: content/renderer/media/mock_constraint_factory.h
diff --git a/content/renderer/media/mock_constraint_factory.h b/content/renderer/media/mock_constraint_factory.h
new file mode 100644
index 0000000000000000000000000000000000000000..e9d4da0503a42b6b6c8b5343ac05df946d1301f7
--- /dev/null
+++ b/content/renderer/media/mock_constraint_factory.h
@@ -0,0 +1,33 @@
+// Copyright 2016 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 CONTENT_RENDERER_MEDIA_MOCK_CONSTRAINT_FACTORY_H_
+#define CONTENT_RENDERER_MEDIA_MOCK_CONSTRAINT_FACTORY_H_
+
+#include <string>
+#include <vector>
+
+#include "third_party/WebKit/public/platform/WebMediaConstraints.h"
+
+namespace content {
+
+class MockConstraintFactory {
+ public:
+  MockConstraintFactory();
+  ~MockConstraintFactory();
+
+  blink::WebMediaConstraints CreateWebMediaConstraints() const;
+  blink::WebMediaTrackConstraintSet& basic() { return basic_; }
+  blink::WebMediaTrackConstraintSet& AddAdvanced();
+
+ private:
+  blink::WebMediaTrackConstraintSet basic_;
+  std::vector<blink::WebMediaTrackConstraintSet> advanced_;
+
+  DISALLOW_COPY_AND_ASSIGN(MockConstraintFactory);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_RENDERER_MEDIA_MOCK_CONSTRAINT_FACTORY_H_