[Sync] Rename SyncEnabledAndLoggedIn() to CanStartSync().

chrome/browser/android/precache/precache_launcher.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/android/precache/precache_launcher.h"
 
 #include <jni.h>
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_weak_ref.h"
@@ skipping 32 matching lines @@
 // Get the PrecacheManager for the given |profile|.
 PrecacheManager* GetPrecacheManager(Profile* profile) {
   PrecacheManager* precache_manager =
       precache::PrecacheManagerFactory::GetForBrowserContext(profile);
   DCHECK(precache_manager);
   return precache_manager;
 }
 
 bool IsSyncTabsEnabled(Profile* profile) {
   ProfileSyncService* sync = ProfileSyncServiceFactory::GetForProfile(profile);
-  return sync->IsSyncEnabledAndLoggedIn() &&
+  return sync->CanSyncStart() &&
          sync->GetPreferredDataTypes().Has(syncer::PROXY_TABS);
 }
 
 }  // namespace
 
 PrecacheLauncher::PrecacheLauncher(JNIEnv* env, jobject obj)
     : weak_java_precache_launcher_(env, obj), weak_factory_(this) {}
 
 PrecacheLauncher::~PrecacheLauncher() {}
 
@@ skipping 38 matching lines @@
   return reinterpret_cast<intptr_t>(new PrecacheLauncher(env, obj));
 }
 
 static jboolean IsPrecachingEnabled(JNIEnv* env, jclass clazz) {
   return PrecacheManager::IsPrecachingEnabled();
 }
 
 bool RegisterPrecacheLauncher(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }