Use explicit WebString <-> string conversion methods for workers

content/renderer/shared_worker/embedded_shared_worker_stub.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/renderer/shared_worker/embedded_shared_worker_stub.h"
 
 #include <stdint.h>
 #include <utility>
 
 #include "base/threading/thread_task_runner_handle.h"
@@ skipping 130 matching lines @@
     : route_id_(route_id), name_(name), url_(url) {
   RenderThreadImpl::current()->AddEmbeddedWorkerRoute(route_id_, this);
   impl_ = blink::WebSharedWorker::create(this);
   if (pause_on_start) {
     // Pause worker context when it starts and wait until either DevTools client
     // is attached or explicit resume notification is received.
     impl_->pauseWorkerContextOnStart();
   }
   worker_devtools_agent_.reset(
       new SharedWorkerDevToolsAgent(route_id, impl_));
-  impl_->startWorkerContext(url, name_, content_security_policy,
-                            security_policy_type, creation_address_space);
+  impl_->startWorkerContext(
+      url, blink::WebString::fromUTF16(name_),
+      blink::WebString::fromUTF16(content_security_policy),
+      security_policy_type, creation_address_space);
 }
 
 EmbeddedSharedWorkerStub::~EmbeddedSharedWorkerStub() {
   RenderThreadImpl::current()->RemoveEmbeddedWorkerRoute(route_id_);
   DCHECK(!impl_);
 }
 
 bool EmbeddedSharedWorkerStub::OnMessageReceived(
     const IPC::Message& message) {
   if (worker_devtools_agent_->OnMessageReceived(message))
@@ skipping 149 matching lines @@
   }
 }
 
 void EmbeddedSharedWorkerStub::OnTerminateWorkerContext() {
   // After this we wouldn't get any IPC for this stub.
   running_ = false;
   impl_->terminateWorkerContext();
 }
 
 }  // namespace content