Rename toWebCoreString*() utility methods to toCoreString*()

Source/bindings/v8/custom/V8WorkerGlobalScopeCustom.cpp

Index: Source/bindings/v8/custom/V8WorkerGlobalScopeCustom.cpp
diff --git a/Source/bindings/v8/custom/V8WorkerGlobalScopeCustom.cpp b/Source/bindings/v8/custom/V8WorkerGlobalScopeCustom.cpp
index 02abe2323111d8b1907395f643cf72ddb9b6eb2c..1863af5992cc6ceb1bf7f69e468c6127a9d8d0a2 100644
--- a/Source/bindings/v8/custom/V8WorkerGlobalScopeCustom.cpp
+++ b/Source/bindings/v8/custom/V8WorkerGlobalScopeCustom.cpp
@@ -70,7 +70,7 @@ void SetTimeoutOrInterval(const v8::FunctionCallbackInfo<v8::Value>& info, bool
                 return;
             }
         }
-        action = adoptPtr(new ScheduledAction(v8Context, toWebCoreString(function.As<v8::String>()), workerGlobalScope->url(), info.GetIsolate()));
+        action = adoptPtr(new ScheduledAction(v8Context, toCoreString(function.As<v8::String>()), workerGlobalScope->url(), info.GetIsolate()));
     } else if (function->IsFunction()) {
         size_t paramCount = argumentCount >= 2 ? argumentCount - 2 : 0;
         OwnPtr<v8::Local<v8::Value>[]> params;