[WIP]Implement Chromium side changes for navigator.language(s) support for workers.

content/renderer/shared_worker/embedded_shared_worker_stub.h

Index: content/renderer/shared_worker/embedded_shared_worker_stub.h
diff --git a/content/renderer/shared_worker/embedded_shared_worker_stub.h b/content/renderer/shared_worker/embedded_shared_worker_stub.h
index a3f34049641462023eefcf5f4c085d5f13040a55..20ad95f5fbede343f8554a5d685a44994106265e 100644
--- a/content/renderer/shared_worker/embedded_shared_worker_stub.h
+++ b/content/renderer/shared_worker/embedded_shared_worker_stub.h
@@ -39,7 +39,8 @@ class EmbeddedSharedWorkerStub : public IPC::Listener,
       const base::string16& content_security_policy,
       blink::WebContentSecurityPolicyType security_policy_type,
       bool pause_on_start,
-      int route_id);
+      int route_id,
+      const base::string16& accept_languages);
 
   // IPC::Listener implementation.
   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
@@ -86,6 +87,7 @@ class EmbeddedSharedWorkerStub : public IPC::Listener,
 
   ScopedChildProcessReference process_ref_;
   WebApplicationCacheHostImpl* app_cache_host_;
+  base::string16 accept_languages_;
   DISALLOW_COPY_AND_ASSIGN(EmbeddedSharedWorkerStub);
 };