Add support for GCM subtypes to desktop Instance ID implementation

components/gcm_driver/gcm_driver.cc

Index: components/gcm_driver/gcm_driver.cc
diff --git a/components/gcm_driver/gcm_driver.cc b/components/gcm_driver/gcm_driver.cc
index 21d30549d07030b043adfa405f0ab45eb6b94931..cb60f00a30eb53bb7952f527cbbfa52ad48ec3c7 100644
--- a/components/gcm_driver/gcm_driver.cc
+++ b/components/gcm_driver/gcm_driver.cc
@@ -29,8 +29,10 @@ InstanceIDHandler::~InstanceIDHandler() {
 }
 
 void InstanceIDHandler::DeleteAllTokensForApp(
-    const std::string& app_id, const DeleteTokenCallback& callback) {
-  DeleteToken(app_id, "*", "*", callback);
+    const std::string& app_id,
+    bool use_subtype,
+    const DeleteTokenCallback& callback) {
+  DeleteToken(app_id, use_subtype, "*", "*", callback);
 }
 
 GCMDriver::GCMDriver(