Split the constructor of ThreadableLoader into two methods (ctor and start())

third_party/WebKit/Source/core/loader/ThreadableLoader.cpp

Index: third_party/WebKit/Source/core/loader/ThreadableLoader.cpp
diff --git a/third_party/WebKit/Source/core/loader/ThreadableLoader.cpp b/third_party/WebKit/Source/core/loader/ThreadableLoader.cpp
index 6b8b7a840644d4f73b84cb64ab964a9fdec8f6b2..e83a8baeebece7d20dda48738d60d9b6327a0aae 100644
--- a/third_party/WebKit/Source/core/loader/ThreadableLoader.cpp
+++ b/third_party/WebKit/Source/core/loader/ThreadableLoader.cpp
@@ -41,7 +41,7 @@
 
 namespace blink {
 
-PassRefPtr<ThreadableLoader> ThreadableLoader::create(ExecutionContext& context, ThreadableLoaderClient* client, const ResourceRequest& request, const ThreadableLoaderOptions& options, const ResourceLoaderOptions& resourceLoaderOptions)
+PassRefPtr<ThreadableLoader> ThreadableLoader::create(ExecutionContext& context, ThreadableLoaderClient* client, const ThreadableLoaderOptions& options, const ResourceLoaderOptions& resourceLoaderOptions)
 {
     ASSERT(client);
 
@@ -49,10 +49,10 @@ PassRefPtr<ThreadableLoader> ThreadableLoader::create(ExecutionContext& context,
         WorkerGlobalScope& workerGlobalScope = toWorkerGlobalScope(context);
         RefPtr<ThreadableLoaderClientWrapper> clientWrapper(ThreadableLoaderClientWrapper::create(client));
         OwnPtr<ThreadableLoaderClient> clientBridge(WorkerLoaderClientBridge::create(clientWrapper, workerGlobalScope.thread()->workerLoaderProxy()));
-        return WorkerThreadableLoader::create(workerGlobalScope, clientWrapper, clientBridge.release(), request, options, resourceLoaderOptions);
+        return WorkerThreadableLoader::create(workerGlobalScope, clientWrapper, clientBridge.release(), options, resourceLoaderOptions);
     }
 
-    return DocumentThreadableLoader::create(toDocument(context), client, request, options, resourceLoaderOptions);
+    return DocumentThreadableLoader::create(toDocument(context), client, options, resourceLoaderOptions);
 }
 
 void ThreadableLoader::loadResourceSynchronously(ExecutionContext& context, const ResourceRequest& request, ThreadableLoaderClient& client, const ThreadableLoaderOptions& options, const ResourceLoaderOptions& resourceLoaderOptions)