Add flag to enable MJPEG acceleration for video capture

chrome/browser/about_flags.cc

Index: chrome/browser/about_flags.cc
diff --git a/chrome/browser/about_flags.cc b/chrome/browser/about_flags.cc
index 8750336e32d83708a1e8c17a1257fdd5bc259187..c02a605bab00c0fb05e7b1a5c60841d2ca338cf6 100644
--- a/chrome/browser/about_flags.cc
+++ b/chrome/browser/about_flags.cc
@@ -2407,6 +2407,14 @@ const Experiment kExperiments[] = {
                               switches::kDisableAppInfoDialogMac)
   },
 #endif
+#if defined(OS_CHROMEOS)
+  { "enable-accelerated-mjpeg-decode",
+    IDS_FLAGS_ENABLE_ACCELERATED_MJPEG_DECODE_NAME,
+    IDS_FLAGS_ENABLE_ACCELERATED_MJPEG_DECODE_DESCRIPTION,
+    kOsCrOS,
+    SINGLE_VALUE_TYPE(switches::kEnableAcceleratedMjpegDecode),
+  },
+#endif  // OS_CHROMEOS
   // NOTE: Adding new command-line switches requires adding corresponding
   // entries to enum "LoginCustomFlags" in histograms.xml. See note in
   // histograms.xml and don't forget to run AboutFlagsHistogramTest unit test.