[Sync] Fix namespaces for the browser_sync component.

chrome/browser/sync/profile_sync_service_android.cc

 // Copyright 2013 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/profile_sync_service_android.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <memory>
@@ skipping 30 matching lines @@
 #include "google_apis/gaia/google_service_auth_error.h"
 #include "jni/ProfileSyncService_jni.h"
 #include "ui/base/l10n/l10n_util.h"
 
 using base::android::AttachCurrentThread;
 using base::android::CheckException;
 using base::android::ConvertJavaStringToUTF8;
 using base::android::ConvertUTF8ToJavaString;
 using base::android::JavaParamRef;
 using base::android::ScopedJavaLocalRef;
+using browser_sync::ProfileSyncService;
 using content::BrowserThread;
 
 namespace {
 
 // Native callback for the JNI GetAllNodes method. When
 // ProfileSyncService::GetAllNodes completes, this method is called and the
 // results are sent to the Java callback.
 void NativeGetAllNodesCallback(
     const base::android::ScopedJavaGlobalRef<jobject>& callback,
     std::unique_ptr<base::ListValue> result) {
@@ skipping 15 matching lines @@
   std::vector<int> type_vector;
   for (syncer::ModelTypeSet::Iterator it = types.First(); it.Good(); it.Inc()) {
     type_vector.push_back(it.Get());
   }
   return base::android::ToJavaIntArray(env, type_vector);
 }
 
 }  // namespace
 
 ProfileSyncServiceAndroid::ProfileSyncServiceAndroid(JNIEnv* env, jobject obj)
-    : profile_(NULL),
-      sync_service_(NULL),
+    : profile_(nullptr),
+      sync_service_(nullptr),
       weak_java_profile_sync_service_(env, obj) {
-  if (g_browser_process == NULL ||
-      g_browser_process->profile_manager() == NULL) {
+  if (g_browser_process == nullptr ||
+      g_browser_process->profile_manager() == nullptr) {
     NOTREACHED() << "Browser process or profile manager not initialized";
     return;
   }
 
   profile_ = ProfileManager::GetActiveUserProfile();
-  if (profile_ == NULL) {
+  if (profile_ == nullptr) {
     NOTREACHED() << "Sync Init: Profile not found.";
     return;
   }
 
   sync_prefs_.reset(new sync_driver::SyncPrefs(profile_->GetPrefs()));
 
   sync_service_ =
       ProfileSyncServiceFactory::GetInstance()->GetForProfile(profile_);
 }
 
@@ skipping 406 matching lines @@
 static jlong Init(JNIEnv* env, const JavaParamRef<jobject>& obj) {
   ProfileSyncServiceAndroid* profile_sync_service_android =
       new ProfileSyncServiceAndroid(env, obj);
   if (profile_sync_service_android->Init()) {
     return reinterpret_cast<intptr_t>(profile_sync_service_android);
   } else {
     delete profile_sync_service_android;
     return 0;
   }
 }