Move MediaStream and MediaStreamTrack implementation from modules/mediastream to core/mediastream.

Source/core/core.gypi

Index: Source/core/core.gypi
diff --git a/Source/core/core.gypi b/Source/core/core.gypi
index 1736ef903f4f183c36e41eb20db5bc3041e13c8e..baf8ed218b7946923bfdce70558bf8c4e1462c2f 100644
--- a/Source/core/core.gypi
+++ b/Source/core/core.gypi
@@ -285,6 +285,17 @@
             'inspector/InspectorOverlayHost.idl',
             'inspector/JavaScriptCallFrame.idl',
             'loader/appcache/ApplicationCache.idl',
+            'mediastream/MediaDeviceInfo.idl',
+            'mediastream/MediaDeviceInfoCallback.idl',
+            'mediastream/MediaStream.idl',
+            'mediastream/MediaStreamEvent.idl',
+            'mediastream/MediaStreamTrack.idl',
+            'mediastream/MediaStreamTrackEvent.idl',
+            'mediastream/MediaStreamTrackSourcesCallback.idl',
+            'mediastream/NavigatorUserMediaError.idl',
+            'mediastream/NavigatorUserMediaErrorCallback.idl',
+            'mediastream/NavigatorUserMediaSuccessCallback.idl',
+            'mediastream/SourceInfo.idl',
             'page/EventSource.idl',
             'page/PagePopupController.idl',
             'plugins/MimeType.idl',
@@ -487,6 +498,9 @@
             'html/canvas/WebGLRenderingContextBase.idl',
             'imagebitmap/ImageBitmapFactories.idl',
             'imagebitmap/WindowImageBitmapFactories.idl',
+            'mediastream/NavigatorMediaStream.idl',
+            'mediastream/URLMediaStream.idl',
+            'mediastream/WindowMediaStream.idl',
             'page/WindowPagePopup.idl',
             'svg/SVGDocument.idl',
             'svg/SVGFilterPrimitiveStandardAttributes.idl',
@@ -532,6 +546,8 @@
             'html/MediaKeyEvent.idl',
             'html/canvas/WebGLContextEvent.idl',
             'html/track/TrackEvent.idl',
+            'mediastream/MediaStreamEvent.idl',
+            'mediastream/MediaStreamTrackEvent.idl',
             'storage/StorageEvent.idl',
             'svg/SVGZoomEvent.idl',
             'xml/XMLHttpRequestProgressEvent.idl',
@@ -1430,6 +1446,41 @@
             'loader/appcache/ApplicationCache.h',
             'loader/appcache/ApplicationCacheHost.cpp',
             'loader/appcache/ApplicationCacheHost.h',
+            'mediastream/MediaConstraintsImpl.cpp',
+            'mediastream/MediaConstraintsImpl.h',
+            'mediastream/MediaDeviceInfo.cpp',
+            'mediastream/MediaDeviceInfo.h',
+            'mediastream/MediaDeviceInfoCallback.h',
+            'mediastream/MediaDevicesRequest.cpp',
+            'mediastream/MediaDevicesRequest.h',
+            'mediastream/MediaStream.cpp',
+            'mediastream/MediaStream.h',
+            'mediastream/MediaStreamEvent.cpp',
+            'mediastream/MediaStreamEvent.h',
+            'mediastream/MediaStreamRegistry.cpp',
+            'mediastream/MediaStreamRegistry.h',
+            'mediastream/MediaStreamTrack.cpp',
+            'mediastream/MediaStreamTrack.h',
+            'mediastream/MediaStreamTrackEvent.cpp',
+            'mediastream/MediaStreamTrackEvent.h',
+            'mediastream/MediaStreamTrackSourcesCallback.h',
+            'mediastream/MediaStreamTrackSourcesRequestImpl.cpp',
+            'mediastream/MediaStreamTrackSourcesRequestImpl.h',
+            'mediastream/NavigatorMediaStream.cpp',
+            'mediastream/NavigatorMediaStream.h',
+            'mediastream/NavigatorUserMediaError.cpp',
+            'mediastream/NavigatorUserMediaError.h',
+            'mediastream/NavigatorUserMediaErrorCallback.h',
+            'mediastream/NavigatorUserMediaSuccessCallback.h',
+            'mediastream/SourceInfo.cpp',
+            'mediastream/SourceInfo.h',
+            'mediastream/URLMediaStream.cpp',
+            'mediastream/URLMediaStream.h',
+            'mediastream/UserMediaClient.h',
+            'mediastream/UserMediaController.cpp',
+            'mediastream/UserMediaController.h',
+            'mediastream/UserMediaRequest.cpp',
+            'mediastream/UserMediaRequest.h',
             'page/AutoscrollController.cpp',
             'page/AutoscrollController.h',
             'page/BackForwardClient.h',