Change UTF8ToUTF16 to accept const StringPiece&.

chrome/browser/safe_browsing/filter_false_positive_perftest.cc

Index: chrome/browser/safe_browsing/filter_false_positive_perftest.cc
diff --git a/chrome/browser/safe_browsing/filter_false_positive_perftest.cc b/chrome/browser/safe_browsing/filter_false_positive_perftest.cc
index eec1c2ebe669053592f0027dbe2e6d232343c685..34c4512fb5d820442d7dcaeeab7687a8f1341ba3 100644
--- a/chrome/browser/safe_browsing/filter_false_positive_perftest.cc
+++ b/chrome/browser/safe_browsing/filter_false_positive_perftest.cc
@@ -52,6 +52,7 @@
 //           <url>,<weight> where weight is an integer indicating the number of
 //           unique views for the URL.
 
+#include <algorithm>
 #include <fstream>
 #include <vector>
 
@@ -380,4 +381,3 @@ TEST(SafeBrowsingBloomFilter, HashTime) {
             << ", per-check (us): "        << time_per_check
             << std::endl;
 }
-