Apply new-style constraints to video_source.

content/renderer/media/mock_constraint_factory.h

+// 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 {

[mcasas, 2016/01/26 16:08:02]

This Mock is quite small and I only see it used in 
media_stream_video_source_unittest.cc. Do you 
have plans to use it immediately elsewhere? If 
not, I'd move it inside said file.

[hta - Chromium, 2016/01/26 19:35:24]

I intend to nuke mock_media_constraint_factory when I'm done converting all its
users to using the new APIs.
I eventually expect all the current users of mock_media_constraint_factory (7
unittests and a couple of other files) to be users of this factory.

+ public:
+  MockConstraintFactory();
+  ~MockConstraintFactory();
+
+  blink::WebMediaConstraints CreateWebMediaConstraints() const;
+  blink::WebMediaTrackConstraintSet& basic() { return basic_; }
+  blink::WebMediaTrackConstraintSet& add_advanced();

[jochen (gone - plz use gerrit), 2016/01/26 17:10:13]

AddAdvanced()

[hta - Chromium, 2016/01/26 19:35:24]

Done.

+
+ private:
+  blink::WebMediaTrackConstraintSet basic_;
+  std::vector<blink::WebMediaTrackConstraintSet> advanced_;
+};

[jochen (gone - plz use gerrit), 2016/01/26 17:10:13]

disallow copy/assign

[hta - Chromium, 2016/01/26 19:35:24]

Done.

+
+}  // namespace content
+
+#endif  // CONTENT_RENDERER_MEDIA_MOCK_CONSTRAINT_FACTORY_H_