Plugin Power Saver: Overhaul plugin-power-saver flags. Show in UI.

chrome/common/chrome_switches.cc

Index: chrome/common/chrome_switches.cc
diff --git a/chrome/common/chrome_switches.cc b/chrome/common/chrome_switches.cc
index 1938051c788b7b126ae5d16d0e93fa45dcaa5910..200307aa332c988b8728c91c566348211b59da73 100644
--- a/chrome/common/chrome_switches.cc
+++ b/chrome/common/chrome_switches.cc
@@ -49,6 +49,12 @@ const char kAllowNaClFileHandleAPI[]        = "allow-nacl-file-handle-api";
 // Specifies comma-separated list of extension ids or hosts to grant
 // access to TCP/UDP socket APIs.
 const char kAllowNaClSocketAPI[]            = "allow-nacl-socket-api";
+
+// Disables forcing on the experimental Plugin Power Saver feature.
+const char kDisablePluginPowerSaver[] = "disable-plugin-power-saver";
+
+// Enables forcing on the experimental Plugin Power Saver feature.
+const char kEnablePluginPowerSaver[] = "enable-plugin-power-saver";
 #endif
 
 // Don't block outdated plugins.