Add operator==(const GURL&, const StringPiece&) to gurl.h

chrome/browser/password_manager/password_store_mac_unittest.cc

Index: chrome/browser/password_manager/password_store_mac_unittest.cc
diff --git a/chrome/browser/password_manager/password_store_mac_unittest.cc b/chrome/browser/password_manager/password_store_mac_unittest.cc
index 9895e4fea6b9b47a01c93712581b6d72f2b97703..96ae6b84b48c2a8dbc2bccd3e8f6d7a58ea7df7d 100644
--- a/chrome/browser/password_manager/password_store_mac_unittest.cc
+++ b/chrome/browser/password_manager/password_store_mac_unittest.cc
@@ -1798,8 +1798,9 @@ TEST_F(PasswordStoreMacTest, TestDisableAutoSignInForOrigins) {
   EXPECT_FALSE(forms[1]->skip_zero_click);
 
   store()->DisableAutoSignInForOrigins(
-    base::Bind(&GURL::operator==, base::Unretained(&form_google->origin)),
-    base::Closure());
+      base::Bind(static_cast<bool (*)(const GURL&, const GURL&)>(operator==),
+                 form_google->origin),
+      base::Closure());
   FinishAsyncProcessing();
 
   EXPECT_TRUE(login_db()->GetAutoSignInLogins(&forms));