Plugin Power Saver: remove dead flags

chrome/app/generated_resources.grd

Index: chrome/app/generated_resources.grd
diff --git a/chrome/app/generated_resources.grd b/chrome/app/generated_resources.grd
index 28b0809f81f445dc583ebdd916612bede06117b5..9de7796b5086338491550396b23172dd044bd3a0 100644
--- a/chrome/app/generated_resources.grd
+++ b/chrome/app/generated_resources.grd
@@ -5908,14 +5908,6 @@ Keep your key file in a safe place. You will need it to create new versions of y
       <message name="IDS_FLAGS_ALLOW_NACL_SOCKET_API_DESCRIPTION" desc="Description for the NaCl Socket API feature.">
         Allows applications to use NaCl Socket API. Use only to test NaCl plugins.
       </message>
-      <if expr="enable_plugins">
-        <message name="IDS_FLAGS_ENABLE_PLUGIN_POWER_SAVER_NAME" desc="Name for the flag to force on the Plugin Power Saver feature.">
-          Enable Plugin Power Saver
-        </message>
-        <message name="IDS_FLAGS_ENABLE_PLUGIN_POWER_SAVER_DESCRIPTION" desc="Description of the flag to force on the Plugin Power Saver feature.">
-          Force on the experimental power saver mode for peripheral plugin content. Overrides content settings.
-        </message>
-      </if>
       <message name="IDS_FLAGS_ENABLE_PINCH_SCALE_NAME" desc="Name of the flag to turn on experiental pinch to scale.">
         Enable pinch scale.
       </message>