WebString: makes string16 conversions explicit (part 1: blink, content)

content/child/service_worker/service_worker_dispatcher.cc

Index: content/child/service_worker/service_worker_dispatcher.cc
diff --git a/content/child/service_worker/service_worker_dispatcher.cc b/content/child/service_worker/service_worker_dispatcher.cc
index c1934f515c181edec240f2fc7081ef25eac5cdae..3aef573277172772a95a20af2e1c7c97930a8ca3 100644
--- a/content/child/service_worker/service_worker_dispatcher.cc
+++ b/content/child/service_worker/service_worker_dispatcher.cc
@@ -622,7 +622,8 @@ void ServiceWorkerDispatcher::OnRegistrationError(
   if (!callbacks)
     return;
 
-  callbacks->onError(WebServiceWorkerError(error_type, message));
+  callbacks->onError(
+      WebServiceWorkerError(error_type, blink::WebString::fromUTF16(message)));
   pending_registration_callbacks_.Remove(request_id);
 }
 
@@ -643,7 +644,8 @@ void ServiceWorkerDispatcher::OnUpdateError(
   if (!callbacks)
     return;
 
-  callbacks->onError(WebServiceWorkerError(error_type, message));
+  callbacks->onError(
+      WebServiceWorkerError(error_type, blink::WebString::fromUTF16(message)));
   pending_update_callbacks_.Remove(request_id);
 }
 
@@ -666,7 +668,8 @@ void ServiceWorkerDispatcher::OnUnregistrationError(
   if (!callbacks)
     return;
 
-  callbacks->onError(WebServiceWorkerError(error_type, message));
+  callbacks->onError(
+      WebServiceWorkerError(error_type, blink::WebString::fromUTF16(message)));
   pending_unregistration_callbacks_.Remove(request_id);
 }
 
@@ -689,7 +692,8 @@ void ServiceWorkerDispatcher::OnGetRegistrationError(
   if (!callbacks)
     return;
 
-  callbacks->onError(WebServiceWorkerError(error_type, message));
+  callbacks->onError(
+      WebServiceWorkerError(error_type, blink::WebString::fromUTF16(message)));
   pending_get_registration_callbacks_.Remove(request_id);
 }
 
@@ -712,7 +716,8 @@ void ServiceWorkerDispatcher::OnGetRegistrationsError(
   if (!callbacks)
     return;
 
-  callbacks->onError(WebServiceWorkerError(error_type, message));
+  callbacks->onError(
+      WebServiceWorkerError(error_type, blink::WebString::fromUTF16(message)));
   pending_get_registrations_callbacks_.Remove(request_id);
 }
 
@@ -871,7 +876,8 @@ void ServiceWorkerDispatcher::OnPostMessage(
           base::ThreadTaskRunnerHandle::Get());
 
   found->second->dispatchMessageEvent(
-      WebServiceWorkerImpl::CreateHandle(worker), params.message, ports);
+      WebServiceWorkerImpl::CreateHandle(worker),
+      blink::WebString::fromUTF16(params.message), ports);
 }
 
 void ServiceWorkerDispatcher::AddServiceWorker(