[Sync] Fix flaky TwoClientAutofillSyncTest.ConflictingFields.

chrome/browser/sync/test/integration/autofill_helper.h

 // 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.
 
 #ifndef CHROME_BROWSER_SYNC_TEST_INTEGRATION_AUTOFILL_HELPER_H_
 #define CHROME_BROWSER_SYNC_TEST_INTEGRATION_AUTOFILL_HELPER_H_
 
 #include <set>
 #include <string>
 #include <vector>
@@ skipping 82 matching lines @@
 // |profile|.
 int GetProfileCount(int profile);
 
 // Returns the number of autofill keys contained by sync profile |profile|.
 int GetKeyCount(int profile);
 
 // Compares the Autofill profiles in the PersonalDataManagers of sync profiles
 // |profile_a| and |profile_b|. Returns true if they match.
 bool ProfilesMatch(int profile_a, int profile_b) WARN_UNUSED_RESULT;
 
-// Compares the autofill profiles for all sync profiles, and returns true if
-// they all match.
-bool AllProfilesMatch() WARN_UNUSED_RESULT;
-
 // Creates a test autofill profile based on the persona specified in |type|.
 autofill::AutofillProfile CreateAutofillProfile(ProfileType type);
 
 // Creates a test autofill profile with a unique GUID
 autofill::AutofillProfile CreateUniqueAutofillProfile();
 
 }  // namespace autofill_helper
 
 // Checker to block until autofill keys match on both profiles.
 class AutofillKeysChecker : public MultiClientStatusChangeChecker {
@@ skipping 23 matching lines @@
 
   // autofill::PersonalDataManager implementation.
   void OnPersonalDataChanged() override;
 
  private:
   const int profile_a_;
   const int profile_b_;
 };
 
 #endif  // CHROME_BROWSER_SYNC_TEST_INTEGRATION_AUTOFILL_HELPER_H_