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

chrome/browser/password_manager/native_backend_gnome_x_unittest.cc

Index: chrome/browser/password_manager/native_backend_gnome_x_unittest.cc
diff --git a/chrome/browser/password_manager/native_backend_gnome_x_unittest.cc b/chrome/browser/password_manager/native_backend_gnome_x_unittest.cc
index 0118504f04b5f7b8be6b5c78291090ef086efe4d..1a34312f69ce2e733bdfe45c9b38ffb1547ab433 100644
--- a/chrome/browser/password_manager/native_backend_gnome_x_unittest.cc
+++ b/chrome/browser/password_manager/native_backend_gnome_x_unittest.cc
@@ -1210,11 +1210,13 @@ TEST_F(NativeBackendGnomeTest, DisableAutoSignInForOrigins) {
   PasswordStoreChangeList changes;
   BrowserThread::PostTaskAndReplyWithResult(
       BrowserThread::DB, FROM_HERE,
-      base::Bind(&NativeBackendGnome::DisableAutoSignInForOrigins,
-                 base::Unretained(&backend),
-                 base::Bind(&GURL::operator==,
-                            base::Unretained(&form_facebook_.origin)),
-                 &changes),
+      base::Bind(
+          &NativeBackendGnome::DisableAutoSignInForOrigins,
+          base::Unretained(&backend),
+          base::Bind(
+              static_cast<bool (*)(const GURL&, const GURL&)>(operator==),
+              form_facebook_.origin),
+          &changes),
       base::Bind(&CheckPasswordChangesWithResult, &expected_changes, &changes));
   RunBothThreads();