Remove implicit conversions from scoped_refptr to T* in chrome/renderer/

chrome/renderer/page_load_histograms.cc

Index: chrome/renderer/page_load_histograms.cc
diff --git a/chrome/renderer/page_load_histograms.cc b/chrome/renderer/page_load_histograms.cc
index 83604280256c0f98545d9fbfae433f38e9640bdf..1fc39256f37122e4f81d07dbe7280aaaf35dd264 100644
--- a/chrome/renderer/page_load_histograms.cc
+++ b/chrome/renderer/page_load_histograms.cc
@@ -178,7 +178,7 @@ bool DataReductionProxyWasUsed(WebFrame* frame) {
   scoped_refptr<net::HttpResponseHeaders> response_headers(
       new net::HttpResponseHeaders(headers));
   return data_reduction_proxy::HasDataReductionProxyViaHeader(
-      response_headers, NULL);
+      response_headers.get(), NULL);
 }
 
 // Returns true if the provided URL is a referrer string that came from