Use explicit WebString conversions in remaining chrome/renderer files

chrome/renderer/worker_content_settings_client_proxy.cc

Index: chrome/renderer/worker_content_settings_client_proxy.cc
diff --git a/chrome/renderer/worker_content_settings_client_proxy.cc b/chrome/renderer/worker_content_settings_client_proxy.cc
index 0056280db4c0b414dee4981fae750c37f41e47eb..e4eb6c4f392cd294437aaf78c66d0a861c88ad41 100644
--- a/chrome/renderer/worker_content_settings_client_proxy.cc
+++ b/chrome/renderer/worker_content_settings_client_proxy.cc
@@ -48,6 +48,7 @@ bool WorkerContentSettingsClientProxy::allowIndexedDB(
 
   bool result = false;
   sync_message_filter_->Send(new ChromeViewHostMsg_AllowIndexedDB(
-      routing_id_, document_origin_url_, top_frame_origin_url_, name, &result));
+      routing_id_, document_origin_url_, top_frame_origin_url_, name.utf16(),
+      &result));
   return result;
 }