First step to refactor ServiceWorkerVersion to make event dispatching more modular.

content/browser/service_worker/service_worker_provider_host.h

Index: content/browser/service_worker/service_worker_provider_host.h
diff --git a/content/browser/service_worker/service_worker_provider_host.h b/content/browser/service_worker/service_worker_provider_host.h
index 1ed95fa5020360744a00dbf4a144916d64df0f98..b001e2d64eed9dae996a88f9d3e34dbb9e5f2a32 100644
--- a/content/browser/service_worker/service_worker_provider_host.h
+++ b/content/browser/service_worker/service_worker_provider_host.h
@@ -166,7 +166,7 @@ class CONTENT_EXPORT ServiceWorkerProviderHost
   bool IsContextAlive();
 
   // Dispatches message event to the document.
-  void PostMessage(
+  void PostMessageToClient(
       ServiceWorkerVersion* version,
       const base::string16& message,
       const std::vector<TransferredMessagePort>& sent_message_ports);