Rewrite std::string("") to std::string(), Linux edition.

chrome/browser/safe_browsing/two_phase_uploader.cc

Index: chrome/browser/safe_browsing/two_phase_uploader.cc
diff --git a/chrome/browser/safe_browsing/two_phase_uploader.cc b/chrome/browser/safe_browsing/two_phase_uploader.cc
index 9b6165eaf93958ed50f442a3cdb52989a9c2cd51..df58625e4e92b74b419e29f6fa83a323cc47a871 100644
--- a/chrome/browser/safe_browsing/two_phase_uploader.cc
+++ b/chrome/browser/safe_browsing/two_phase_uploader.cc
@@ -63,7 +63,7 @@ void TwoPhaseUploader::OnURLFetchComplete(const net::URLFetcher* source) {
   if (!status.is_success()) {
     LOG(ERROR) << "URLFetcher failed, status=" << status.status()
                << " err=" << status.error();
-    Finish(status.error(), response_code, "");
+    Finish(status.error(), response_code, std::string());
     return;
   }
 
@@ -83,7 +83,7 @@ void TwoPhaseUploader::OnURLFetchComplete(const net::URLFetcher* source) {
         if (!source->GetResponseHeaders()->EnumerateHeader(
               NULL, kLocationHeader, &location)) {
           LOG(ERROR) << "no location header";
-          Finish(net::OK, response_code, "");
+          Finish(net::OK, response_code, std::string());
           return;
         }
         DVLOG(1) << "upload location: " << location;