Add various UMA histograms for measuring GCM crypto performance

components/gcm_driver/gcm_driver_android.cc

Index: components/gcm_driver/gcm_driver_android.cc
diff --git a/components/gcm_driver/gcm_driver_android.cc b/components/gcm_driver/gcm_driver_android.cc
index c80309cf75dbc1078415202d73437fc4dd85ec20..8f345423db36a62f0467c668aa4db8a0a0af4b12 100644
--- a/components/gcm_driver/gcm_driver_android.cc
+++ b/components/gcm_driver/gcm_driver_android.cc
@@ -259,8 +259,8 @@ void GCMDriverAndroid::SendImpl(const std::string& app_id,
 
 void GCMDriverAndroid::RecordDecryptionFailure(
     const std::string& app_id,
-    GCMEncryptionProvider::DecryptionFailure reason) {
-  recorder_.RecordDecryptionFailure(app_id, reason);
+    GCMEncryptionProvider::DecryptionResult result) {
+  recorder_.RecordDecryptionFailure(app_id, result);
 }
 
 }  // namespace gcm