Adds multiple forms of MediaStreamTrack constraints

third_party/WebKit/Source/modules/mediastream/MediaConstraintsImpl.h

Index: third_party/WebKit/Source/modules/mediastream/MediaConstraintsImpl.h
diff --git a/third_party/WebKit/Source/modules/mediastream/MediaConstraintsImpl.h b/third_party/WebKit/Source/modules/mediastream/MediaConstraintsImpl.h
index 02c46a2b61eefead6b1326812e59df98efd591c2..47d567efe7f9edd4c1543cd514f613f9ffc409c0 100644
--- a/third_party/WebKit/Source/modules/mediastream/MediaConstraintsImpl.h
+++ b/third_party/WebKit/Source/modules/mediastream/MediaConstraintsImpl.h
@@ -31,6 +31,7 @@
 #ifndef MediaConstraintsImpl_h
 #define MediaConstraintsImpl_h
 
+#include "modules/ModulesExport.h"
 #include "modules/mediastream/MediaErrorState.h"
 #include "public/platform/WebMediaConstraints.h"
 #include "wtf/text/WTFString.h"
@@ -40,6 +41,7 @@ namespace blink {
 class Dictionary;
 class ExceptionState;

[Yuki, 2016/05/24 10:01:03]

nit: ExceptionState seems not used.

 class MediaTrackConstraints;
+class MediaTrackConstraintSet;

[Yuki, 2016/05/24 10:01:03]

nit: MediaTrackConstraintSet seems not used.

 
 namespace MediaConstraintsImpl {
 
@@ -47,7 +49,10 @@ WebMediaConstraints create();
 WebMediaConstraints create(ExecutionContext*, const Dictionary&, MediaErrorState&);
 WebMediaConstraints create(ExecutionContext*, const MediaTrackConstraints&, MediaErrorState&);
 
-void convertConstraints(const WebMediaConstraints& input, MediaTrackConstraints& output);
+// Exported with MODULES_EXPORT for testing
+MODULES_EXPORT void convertConstraints(const WebMediaConstraints& input, MediaTrackConstraints& output);
+// Exported for testing only.
+MODULES_EXPORT WebMediaConstraints convertConstraintsToWeb(const MediaTrackConstraints&);
 }
 
 } // namespace blink