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

chrome/browser/search/hotword_service.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/search/hotword_service.h"
 
 #include <string>
 
 #include "base/command_line.h"
 #include "base/i18n/case_conversion.h"
@@ skipping 259 matching lines @@
 
 // static
 bool HotwordService::IsExperimentalHotwordingEnabled() {
   std::string group = base::FieldTrialList::FindFullName(
       hotword_internal::kHotwordFieldTrialName);
   if (!group.empty() &&
       group == hotword_internal::kHotwordFieldTrialExperimentalGroupName) {
     return true;
   }
 
-  CommandLine* command_line = CommandLine::ForCurrentProcess();
+  base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
   return !command_line->HasSwitch(switches::kDisableExperimentalHotwording);
 }
 
 #if defined(OS_CHROMEOS)
 class HotwordService::HotwordUserSessionStateObserver
     : public user_manager::UserManager::UserSessionStateObserver {
  public:
   explicit HotwordUserSessionStateObserver(HotwordService* service)
       : service_(service) {}
 
@@ skipping 57 matching lines @@
 
   SetAudioHistoryHandler(new HotwordAudioHistoryHandler(
       profile_, base::MessageLoop::current()->task_runner()));
 
   if (HotwordServiceFactory::IsHotwordHardwareAvailable() &&
       IsHotwordAllowed() &&
       IsExperimentalHotwordingEnabled()) {
     // Show the hotword notification in 5 seconds if the experimental flag is
     // on, or in 30 minutes if not. We need to wait at least a few seconds
     // for the hotword extension to be installed.
-    CommandLine* command_line = CommandLine::ForCurrentProcess();
+    base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
     if (command_line->HasSwitch(switches::kEnableExperimentalHotwordHardware)) {
       base::MessageLoop::current()->PostDelayedTask(
           FROM_HERE,
           base::Bind(&HotwordService::ShowHotwordNotification,
                      weak_factory_.GetWeakPtr()),
           base::TimeDelta::FromSeconds(5));
     } else if (!profile_->GetPrefs()->GetBoolean(
                    prefs::kHotwordAlwaysOnNotificationSeen)) {
       base::MessageLoop::current()->PostDelayedTask(
           FROM_HERE,
@@ skipping 472 matching lines @@
   // Only support multiple profiles and profile switching in ChromeOS.
   if (user_manager::UserManager::IsInitialized()) {
     user_manager::User* user =
         user_manager::UserManager::Get()->GetActiveUser();
     if (user && user->is_profile_created())
       return profile_ == ProfileManager::GetActiveUserProfile();
   }
 #endif
   return true;
 }