| Index: chrome/browser/about_flags.cc
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| diff --git a/chrome/browser/about_flags.cc b/chrome/browser/about_flags.cc
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| index 366e173ce396597b250610bfe640e6b5d5799012..395217088968b6702c43bad96af47504f3a2f7d3 100644
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| --- a/chrome/browser/about_flags.cc
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| +++ b/chrome/browser/about_flags.cc
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| @@ -38,12 +38,34 @@ const Experiment kExperiments[] = {
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|  #endif
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|    },
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|    {
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| +    "media-player",  // Do not change; see above.
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| +    IDS_FLAGS_MEDIA_PLAYER_NAME,
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| +    IDS_FLAGS_MEDIA_PLAYER_DESCRIPTION,
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| +    kOsCrOS,
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| +#if defined(OS_CHROMEOS)
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| +    // The switch exists only on Chrome OS.
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| +    switches::kEnableMediaPlayer
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| +#else
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| +    ""
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| +#endif
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| +  },
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| +  {
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| +    "advanced-fs",  // Do not change; see above.
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| +    IDS_FLAGS_ADVANCED_FS_NAME,
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| +    IDS_FLAGS_ADVANCED_FS_DESCRIPTION,
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| +    kOsCrOS,
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| +#if defined(OS_CHROMEOS)
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| +    // The switch exists only on Chrome OS.
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| +    switches::kEnableAdvancedFileSystem
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| +#else
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| +    ""
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| +#endif
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| +  },
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| +  {
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|      "vertical-tabs",  // Do not change; see above.
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|      IDS_FLAGS_SIDE_TABS_NAME,
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|      IDS_FLAGS_SIDE_TABS_DESCRIPTION,
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| -    // TODO(thakis): Move sidetabs to about:flags on ChromeOS
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| -    // http://crbug.com/57634
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| -    kOsWin,
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| +    kOsWin | kOsCrOS,
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|      switches::kEnableVerticalTabs
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|    },
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|    {
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| 
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