Move click-to-play behind the --enable-click-to-play switch.

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 8022de8e43befffae0d752f48854f9a164078dd1..76a293901a6ac931d23939fad8bb93f5039e04f0 100644
--- a/chrome/common/chrome_switches.cc
+++ b/chrome/common/chrome_switches.cc
@@ -286,6 +286,9 @@ const char kEnableBenchmarking[]            = "enable-benchmarking";
 // Chromoting Host Process within the service process.
 const char kEnableChromoting[]              = "enable-chromoting";
 
+// Enable click-to-play for blocked plugins.
+const char kEnableClickToPlay[]             = "enable-click-to-play";
+
 // This applies only when the process type is "service". Enables the
 // Cloud Print Proxy component within the service process.
 const char kEnableCloudPrintProxy[]         = "enable-cloud-print-proxy";