Add detailed use-counter stats for the prefixed quota APIs

third_party/WebKit/Source/modules/quota/DeprecatedStorageQuota.idl

Index: third_party/WebKit/Source/modules/quota/DeprecatedStorageQuota.idl
diff --git a/third_party/WebKit/Source/modules/quota/DeprecatedStorageQuota.idl b/third_party/WebKit/Source/modules/quota/DeprecatedStorageQuota.idl
index 0abbbd365932f7507f526b40a961c2470c83c03c..fc8e356ac7f4ca3e8036a291bf8dcacf91086a3d 100644
--- a/third_party/WebKit/Source/modules/quota/DeprecatedStorageQuota.idl
+++ b/third_party/WebKit/Source/modules/quota/DeprecatedStorageQuota.idl
@@ -26,6 +26,6 @@
 [
     NoInterfaceObject
 ] interface DeprecatedStorageQuota {
-    [CallWith=ScriptState] void queryUsageAndQuota(StorageUsageCallback usageCallback, optional StorageErrorCallback errorCallback);
-    [CallWith=ScriptState] void requestQuota(unsigned long long newQuotaInBytes, optional StorageQuotaCallback quotaCallback, optional StorageErrorCallback errorCallback);
+    [Measure, CallWith=ScriptState] void queryUsageAndQuota(StorageUsageCallback usageCallback, optional StorageErrorCallback errorCallback);
+    [Measure, CallWith=ScriptState] void requestQuota(unsigned long long newQuotaInBytes, optional StorageQuotaCallback quotaCallback, optional StorageErrorCallback errorCallback);
 };