Plugin Power Saver: Add flag to experiment behind.

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 a8113571521c66113e7d8063699896b320d440e4..704dc33c1c372e9b8e8073997f75d3db000545d3 100644
--- a/chrome/browser/about_flags.cc
+++ b/chrome/browser/about_flags.cc
@@ -1942,6 +1942,15 @@ const Experiment kExperiments[] = {
     kOsAll,
     SINGLE_VALUE_TYPE(switches::kEnableCredentialManagerAPI)
   },
+#if defined(ENABLE_PLUGINS)

[groby-ooo-7-16, 2014/10/06 17:24:42]

Question: Do we want to have this in about:flags? I'd rather keep it
command-line only, for now.

+  {
+    "enable-plugin-power-saver",
+    IDS_FLAGS_ENABLE_PLUGIN_POWER_SAVER_NAME,
+    IDS_FLAGS_ENABLE_PLUGIN_POWER_SAVER_DESCRIPTION,
+    kOsDesktop,
+    SINGLE_VALUE_TYPE(switches::kEnablePluginPowerSaver)
+  },
+#endif
 
   // NOTE: Adding new command-line switches requires adding corresponding
   // entries to enum "LoginCustomFlags" in histograms.xml. See note in