GURL::Replacements methods accept a StringPiece instead of std::string&.

components/google/core/browser/google_util.cc

Index: components/google/core/browser/google_util.cc
diff --git a/components/google/core/browser/google_util.cc b/components/google/core/browser/google_util.cc
index 307cebb3f7873ce81b6512dce632e5ec25b658de..58d2d21d33f3b00ffeaf2d651d40d228fddcf646 100644
--- a/components/google/core/browser/google_util.cc
+++ b/components/google/core/browser/google_util.cc
@@ -132,11 +132,9 @@ std::string GetGoogleCountryCode(GURL google_homepage_url) {
 GURL GetGoogleSearchURL(GURL google_homepage_url) {
   // To transform the homepage URL into the corresponding search URL, add the
   // "search" and the "q=" query string.
-  std::string search_path = "search";
-  std::string query_string = "q=";
   GURL::Replacements replacements;
-  replacements.SetPathStr(search_path);
-  replacements.SetQueryStr(query_string);
+  replacements.SetPathStr("search");
+  replacements.SetQueryStr("q=");
   return google_homepage_url.ReplaceComponents(replacements);
 }