Turn track on by default (switch --enable-video-track flag to --disable-video-track)

chrome/browser/about_flags.cc

 // Copyright (c) 2012 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.
 
 #include "chrome/browser/about_flags.h"
 
 #include <algorithm>
 #include <iterator>
 #include <map>
 #include <set>
@@ skipping 516 matching lines @@
     SINGLE_VALUE_TYPE(switches::kEnableSpdy3)
   },
   {
     "enable-async-dns",
     IDS_FLAGS_ENABLE_ASYNC_DNS_NAME,
     IDS_FLAGS_ENABLE_ASYNC_DNS_DESCRIPTION,
     kOsWin | kOsMac | kOsLinux,
     MULTI_VALUE_TYPE(kAsyncDnsChoices)
   },
   {
-    "enable-video-track",
-    IDS_FLAGS_ENABLE_VIDEO_TRACK_NAME,
-    IDS_FLAGS_ENABLE_VIDEO_TRACK_DESCRIPTION,
+    "disable-video-track",
+    IDS_FLAGS_DISABLE_VIDEO_TRACK_NAME,
+    IDS_FLAGS_DISABLE_VIDEO_TRACK_DESCRIPTION,
     kOsAll,
-    SINGLE_VALUE_TYPE(switches::kEnableVideoTrack)
+    SINGLE_VALUE_TYPE(switches::kDisableVideoTrack)
   },
   {
     "enable-media-source",
     IDS_FLAGS_ENABLE_MEDIA_SOURCE_NAME,
     IDS_FLAGS_ENABLE_MEDIA_SOURCE_DESCRIPTION,
     kOsAll,
     SINGLE_VALUE_TYPE(switches::kEnableMediaSource)
   },
   {
     "enable-encrypted-media",
@@ skipping 806 matching lines @@
 }
 
 const Experiment* GetExperiments(size_t* count) {
   *count = num_experiments;
   return experiments;
 }
 
 }  // namespace testing
 
 }  // namespace about_flags