Edge and Firefox have the unprefixed interface/constructor. Neither have any prefixed *MediaStream on their window objects.
The following revision refers to this bug: https://chromium.googlesource.com/chromium/src.git/+/febb0c97b0e7a59fbd1e3ca9bbf00759e684d4b0 commit febb0c97b0e7a59fbd1e3ca9bbf00759e684d4b0 Author: foolip <foolip@chromium.org> Date: Wed Sep 28 12:31:13 2016 Expose the MediaStream interface Intent to Ship: https://groups.google.com/a/chromium.org/d/msg/blink-dev/9WIVyDz1T34/5Nmj46UXAwAJ BUG= 649331 Review-Url: https://codereview.chromium.org/2365883002 Cr-Commit-Position: refs/heads/master@{#421502} [modify] https://crrev.com/febb0c97b0e7a59fbd1e3ca9bbf00759e684d4b0/content/test/data/media/getusermedia.html [modify] https://crrev.com/febb0c97b0e7a59fbd1e3ca9bbf00759e684d4b0/content/test/data/media/peerconnection-call.html [modify] https://crrev.com/febb0c97b0e7a59fbd1e3ca9bbf00759e684d4b0/ppapi/examples/video_effects/video_effects.html [modify] https://crrev.com/febb0c97b0e7a59fbd1e3ca9bbf00759e684d4b0/ppapi/tests/test_video_destination.cc [modify] https://crrev.com/febb0c97b0e7a59fbd1e3ca9bbf00759e684d4b0/third_party/WebKit/LayoutTests/fast/events/constructors/media-stream-event-constructor.html [modify] https://crrev.com/febb0c97b0e7a59fbd1e3ca9bbf00759e684d4b0/third_party/WebKit/LayoutTests/fast/js/constructor-length-expected.txt [modify] https://crrev.com/febb0c97b0e7a59fbd1e3ca9bbf00759e684d4b0/third_party/WebKit/LayoutTests/fast/mediastream/MediaStream-onactive-oninactive.html [modify] https://crrev.com/febb0c97b0e7a59fbd1e3ca9bbf00759e684d4b0/third_party/WebKit/LayoutTests/fast/mediastream/MediaStreamConstructor-expected.txt [modify] https://crrev.com/febb0c97b0e7a59fbd1e3ca9bbf00759e684d4b0/third_party/WebKit/LayoutTests/fast/mediastream/MediaStreamConstructor.html [modify] https://crrev.com/febb0c97b0e7a59fbd1e3ca9bbf00759e684d4b0/third_party/WebKit/LayoutTests/virtual/stable/webexposed/global-interface-listing-expected.txt [modify] https://crrev.com/febb0c97b0e7a59fbd1e3ca9bbf00759e684d4b0/third_party/WebKit/LayoutTests/webexposed/global-interface-listing-expected.txt [modify] https://crrev.com/febb0c97b0e7a59fbd1e3ca9bbf00759e684d4b0/third_party/WebKit/Source/modules/mediastream/MediaStream.idl
Comment 1 by foolip@chromium.org
, Sep 23 2016