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

chrome/renderer/safe_browsing/malware_dom_details_browsertest.cc

Index: chrome/renderer/safe_browsing/malware_dom_details_browsertest.cc
diff --git a/chrome/renderer/safe_browsing/malware_dom_details_browsertest.cc b/chrome/renderer/safe_browsing/malware_dom_details_browsertest.cc
index 034655f4368ec431c508a6dbdbdf80aa9ab572e6..8a120cbb84df44ea1a96328c0e4097224372dd37 100644
--- a/chrome/renderer/safe_browsing/malware_dom_details_browsertest.cc
+++ b/chrome/renderer/safe_browsing/malware_dom_details_browsertest.cc
@@ -97,7 +97,7 @@ TEST_F(MalwareDOMDetailsTest, Everything) {
   }
 
   { // >50 subframes, to verify kMaxNodes.
-    std::string html = "";
+    std::string html;
     for (int i = 0; i < 55; ++i) {
       // The iframe contents is just a number.
       GURL iframe_url(base::StringPrintf("%s%d", urlprefix, i));
@@ -113,7 +113,7 @@ TEST_F(MalwareDOMDetailsTest, Everything) {
   }
 
   { // A page with >50 scripts, to verify kMaxNodes.
-    std::string html = "";
+    std::string html;
     for (int i = 0; i < 55; ++i) {
       // The iframe contents is just a number.
       GURL script_url(base::StringPrintf("%s%d", urlprefix, i));