[Sync] Refactoring of sync integration test checkers to remove boilerplate await methods.

chrome/browser/sync/test/integration/quiesce_status_change_checker.cc

 // Copyright 2014 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 "chrome/browser/sync/test/integration/quiesce_status_change_checker.h"
 
 #include <stddef.h>
 
 #include "base/format_macros.h"
 #include "base/scoped_observer.h"
@@ skipping 135 matching lines @@
     std::vector<browser_sync::ProfileSyncService*> services)
     : services_(services) {
   DCHECK_LE(1U, services_.size());
   for (size_t i = 0; i < services_.size(); ++i) {
     observers_.push_back(new ProgressMarkerWatcher(services[i], this));
   }
 }
 
 QuiesceStatusChangeChecker::~QuiesceStatusChangeChecker() {}
 
-void QuiesceStatusChangeChecker::Wait() {
-  DVLOG(1) << "Await: " << GetDebugMessage();
-
-  if (IsExitConditionSatisfied()) {
-    DVLOG(1) << "Await -> Exit before waiting: " << GetDebugMessage();
-    return;
-  }
-
-  StartBlockingWait();
-}
-
 bool QuiesceStatusChangeChecker::IsExitConditionSatisfied() {
   // Check that all progress markers are up to date.
   for (ScopedVector<ProgressMarkerWatcher>::const_iterator it =
        observers_.begin(); it != observers_.end(); ++it) {
     if ((*it)->IsSyncDisabled()) {
       continue;  // Skip disabled services.
     }
 
     if (!(*it)->HasLatestProgressMarkers()) {
       DVLOG(1) << "Not quiesced: Progress markers are old.";
@@ skipping 36 matching lines @@
 
 std::string QuiesceStatusChangeChecker::GetDebugMessage() const {
   return base::StringPrintf("Waiting for quiescence of %" PRIuS " clients",
                             services_.size());
 }
 
 void QuiesceStatusChangeChecker::OnServiceStateChanged(
     browser_sync::ProfileSyncService* service) {
   CheckExitCondition();
 }