[Sync] Remove unneeded 'using syncer::' lines and 'syncer::' scopings

sync/internal_api/js_sync_manager_observer.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 "sync/internal_api/js_sync_manager_observer.h"
 
 #include <cstddef>
 
 #include "base/location.h"
 #include "base/logging.h"
 #include "base/string_number_conversions.h"
 #include "base/values.h"
 #include "sync/internal_api/public/base/model_type.h"
 #include "sync/internal_api/public/change_record.h"
 #include "sync/internal_api/public/sessions/sync_session_snapshot.h"
 #include "sync/internal_api/public/util/sync_string_conversions.h"
 #include "sync/js/js_arg_list.h"
 #include "sync/js/js_event_details.h"
 #include "sync/js/js_event_handler.h"
 #include "sync/sessions/session_state.h"
 
 namespace syncer {
 
-using syncer::SyncProtocolError;
-
 JsSyncManagerObserver::JsSyncManagerObserver() {}
 
 JsSyncManagerObserver::~JsSyncManagerObserver() {}
 
 void JsSyncManagerObserver::SetJsEventHandler(
     const WeakHandle<JsEventHandler>& event_handler) {
   event_handler_ = event_handler;
 }
 
 void JsSyncManagerObserver::OnSyncCycleCompleted(
     const sessions::SyncSessionSnapshot& snapshot) {
   if (!event_handler_.IsInitialized()) {
     return;
   }
   DictionaryValue details;
   details.Set("snapshot", snapshot.ToValue());
   HandleJsEvent(FROM_HERE, "onSyncCycleCompleted", JsEventDetails(&details));
 }
 
-void JsSyncManagerObserver::OnConnectionStatusChange(
-    syncer::ConnectionStatus status) {
+void JsSyncManagerObserver::OnConnectionStatusChange(ConnectionStatus status) {
   if (!event_handler_.IsInitialized()) {
     return;
   }
   DictionaryValue details;
-  details.SetString("status", syncer::ConnectionStatusToString(status));
+  details.SetString("status", ConnectionStatusToString(status));
   HandleJsEvent(FROM_HERE,
                 "onConnectionStatusChange", JsEventDetails(&details));
 }
 
 void JsSyncManagerObserver::OnUpdatedToken(const std::string& token) {
   if (!event_handler_.IsInitialized()) {
     return;
   }
   DictionaryValue details;
   details.SetString("token", "<redacted>");
   HandleJsEvent(FROM_HERE, "onUpdatedToken", JsEventDetails(&details));
 }
 
 void JsSyncManagerObserver::OnPassphraseRequired(
-    syncer::PassphraseRequiredReason reason,
+    PassphraseRequiredReason reason,
     const sync_pb::EncryptedData& pending_keys) {
   if (!event_handler_.IsInitialized()) {
     return;
   }
   DictionaryValue details;
   details.SetString("reason",
-                     syncer::PassphraseRequiredReasonToString(reason));
+                     PassphraseRequiredReasonToString(reason));
   HandleJsEvent(FROM_HERE, "onPassphraseRequired", JsEventDetails(&details));
 }
 
 void JsSyncManagerObserver::OnPassphraseAccepted() {
   if (!event_handler_.IsInitialized()) {
     return;
   }
   DictionaryValue details;
   HandleJsEvent(FROM_HERE, "onPassphraseAccepted", JsEventDetails(&details));
 }
 
 void JsSyncManagerObserver::OnBootstrapTokenUpdated(
     const std::string& boostrap_token) {
   if (!event_handler_.IsInitialized()) {
     return;
   }
   DictionaryValue details;
   details.SetString("bootstrapToken", "<redacted>");
   HandleJsEvent(FROM_HERE, "OnBootstrapTokenUpdated", JsEventDetails(&details));
 }
 
 void JsSyncManagerObserver::OnEncryptedTypesChanged(
-    syncer::ModelTypeSet encrypted_types,
+    ModelTypeSet encrypted_types,
     bool encrypt_everything) {
   if (!event_handler_.IsInitialized()) {
     return;
   }
   DictionaryValue details;
   details.Set("encryptedTypes",
-              syncer::ModelTypeSetToValue(encrypted_types));
+              ModelTypeSetToValue(encrypted_types));
   details.SetBoolean("encryptEverything", encrypt_everything);
   HandleJsEvent(FROM_HERE,
                 "onEncryptedTypesChanged", JsEventDetails(&details));
 }
 
 void JsSyncManagerObserver::OnEncryptionComplete() {
   if (!event_handler_.IsInitialized()) {
     return;
   }
   DictionaryValue details;
@@ skipping 34 matching lines @@
     const std::string& name, const JsEventDetails& details) {
   if (!event_handler_.IsInitialized()) {
     NOTREACHED();
     return;
   }
   event_handler_.Call(from_here,
                       &JsEventHandler::HandleJsEvent, name, details);
 }
 
 }  // namespace syncer