Make callers of CommandLine use it via the base:: namespace.

chrome/browser/services/gcm/push_messaging_service_impl.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/services/gcm/push_messaging_service_impl.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 42 matching lines @@
   registry->RegisterIntegerPref(
       prefs::kPushMessagingRegistrationCount,
       0,
       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 }
 
 // static
 void PushMessagingServiceImpl::InitializeForProfile(Profile* profile) {
   // TODO(mvanouwerkerk): Make sure to remove this check at the same time as
   // push graduates from experimental in Blink.
-  if (!CommandLine::ForCurrentProcess()->HasSwitch(
+  if (!base::CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kEnableExperimentalWebPlatformFeatures)) {
     return;
   }
 
   // TODO(johnme): Consider whether push should be enabled in incognito.
   if (!profile || profile->IsOffTheRecord())
     return;
 
   // TODO(johnme): If push becomes enabled in incognito (and this still uses a
   // pref), be careful that this pref is read from the right profile, as prefs
@@ skipping 405 matching lines @@
 }
 
 void PushMessagingServiceImpl::AddAppHandlerIfNecessary() {
   if (gcm_profile_service_->driver()->GetAppHandler(
           kPushMessagingApplicationIdPrefix) != this)
     gcm_profile_service_->driver()->AddAppHandler(
         kPushMessagingApplicationIdPrefix, this);
 }
 
 }  // namespace gcm