Remove WebURLRequest::initialize() and simplify WebURLRequest

components/nacl/renderer/ppb_nacl_private_impl.cc

Index: components/nacl/renderer/ppb_nacl_private_impl.cc
diff --git a/components/nacl/renderer/ppb_nacl_private_impl.cc b/components/nacl/renderer/ppb_nacl_private_impl.cc
index 4daa4c722578306b04d2c0a0fce759a968f6123f..db128c400b8ec7c950096cd72bb3605bbecc96de 100644
--- a/components/nacl/renderer/ppb_nacl_private_impl.cc
+++ b/components/nacl/renderer/ppb_nacl_private_impl.cc
@@ -348,7 +348,6 @@ blink::WebURLLoader* CreateWebURLLoader(const blink::WebDocument& document,
 blink::WebURLRequest CreateWebURLRequest(const blink::WebDocument& document,
                                          const GURL& gurl) {
   blink::WebURLRequest request;
-  request.initialize();
   request.setURL(gurl);
   request.setFirstPartyForCookies(document.firstPartyForCookies());
   return request;