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

components/precache/content/precache_manager.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 "components/precache/content/precache_manager.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/logging.h"
@@ skipping 32 matching lines @@
       base::Bind(base::IgnoreResult(&PrecacheDatabase::Init),
                  precache_database_, db_path));
 }
 
 PrecacheManager::~PrecacheManager() {}
 
 // static
 bool PrecacheManager::IsPrecachingEnabled() {
   return base::FieldTrialList::FindFullName(kPrecacheFieldTrialName) ==
              kPrecacheFieldTrialEnabledGroup ||
-         CommandLine::ForCurrentProcess()->HasSwitch(switches::kEnablePrecache);
+         base::CommandLine::ForCurrentProcess()->HasSwitch(
+             switches::kEnablePrecache);
 }
 
 bool PrecacheManager::IsPrecachingAllowed() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   return user_prefs::UserPrefs::Get(browser_context_)->GetBoolean(
       data_reduction_proxy::prefs::kDataReductionProxyEnabled);
 }
 
 void PrecacheManager::StartPrecaching(
     const PrecacheCompletionCallback& precache_completion_callback,
@@ skipping 99 matching lines @@
     return;
   }
 
   // Start precaching.
   precache_fetcher_.reset(
       new PrecacheFetcher(urls, browser_context_->GetRequestContext(), this));
   precache_fetcher_->Start();
 }
 
 }  // namespace precache