[Blimp client] Move client code into blimp::client namespace

blimp/client/session/navigation_feature.cc

 // Copyright 2015 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 "blimp/client/session/navigation_feature.h"
 
 #include "blimp/common/create_blimp_message.h"
 #include "blimp/common/proto/blimp_message.pb.h"
 #include "blimp/common/proto/navigation.pb.h"
 #include "net/base/net_errors.h"
 #include "url/gurl.h"
 
 namespace blimp {
+namespace client {
 
 NavigationFeature::NavigationFeature() {}
 
 NavigationFeature::~NavigationFeature() {}
 
 void NavigationFeature::set_outgoing_message_processor(
     scoped_ptr<BlimpMessageProcessor> processor) {
   outgoing_message_processor_ = std::move(processor);
 }
 
@@ skipping 99 matching lines @@
 }
 
 NavigationFeature::NavigationFeatureDelegate* NavigationFeature::FindDelegate(
     const int tab_id) {
   DelegateMap::const_iterator it = delegates_.find(tab_id);
   if (it != delegates_.end())
     return it->second;
   return nullptr;
 }
 
+}  // namespace client
 }  // namespace blimp