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

chrome/browser/password_manager/native_backend_kwallet_x_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
 #include <map>
 #include <set>
@@ skipping 1011 matching lines @@
 
   // Set the canonical forms to the updated value for the following comparison.
   form_google_.skip_zero_click = true;
   PasswordStoreChangeList expected_changes;
   expected_changes.push_back(
       PasswordStoreChange(PasswordStoreChange::UPDATE, form_google_));
 
   PasswordStoreChangeList changes;
   BrowserThread::PostTaskAndReplyWithResult(
       BrowserThread::DB, FROM_HERE,
-      base::Bind(&NativeBackendKWallet::DisableAutoSignInForOrigins,
-                 base::Unretained(&backend),
-                 base::Bind(&GURL::operator==,
-                            base::Unretained(&form_google_.origin)),
-                 &changes),
+      base::Bind(
+          &NativeBackendKWallet::DisableAutoSignInForOrigins,
+          base::Unretained(&backend),
+          base::Bind(
+              static_cast<bool (*)(const GURL&, const GURL&)>(operator==),
+              form_google_.origin),
+          &changes),
       base::Bind(&CheckPasswordChangesWithResult, &expected_changes, &changes));
   RunDBThread();
 
   std::vector<const PasswordForm*> forms;
   forms.push_back(&form_google_);
   ExpectationArray expected;
   expected.push_back(make_pair(std::string(form_google_.signon_realm), forms));
   forms.clear();
   forms.push_back(&form_isc_);
   expected.push_back(make_pair(std::string(form_isc_.signon_realm), forms));
@@ skipping 384 matching lines @@
   CheckVersion7Pickle();
 }
 
 TEST_F(NativeBackendKWalletPickleTest, CheckVersion8Pickle) {
   CheckVersion8Pickle();
 }
 
 TEST_F(NativeBackendKWalletPickleTest, CheckVersion9Pickle) {
   CheckVersion9Pickle();
 }