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

chrome/browser/extensions/api/tab_capture/tab_capture_api.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.
 
 // Implements the Chrome Extensions Tab Capture API.
 
 #include "chrome/browser/extensions/api/tab_capture/tab_capture_api.h"
 
 #include <set>
 #include <string>
@@ skipping 71 matching lines @@
     return false;
   }
 
   const std::string& extension_id = extension()->id();
 
   // Make sure either we have been granted permission to capture through an
   // extension icon click or our extension is whitelisted.
   if (!extension()->permissions_data()->HasAPIPermissionForTab(
           SessionTabHelper::IdForTab(target_contents),
           APIPermission::kTabCaptureForTab) &&
-      CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
+      base::CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
           switches::kWhitelistedExtensionID) != extension_id &&
       !SimpleFeature::IsIdInList(
           extension_id,
           std::set<std::string>(
               whitelisted_extensions,
               whitelisted_extensions + arraysize(whitelisted_extensions)))) {
     error_ = kGrantError;
     return false;
   }
 
@@ skipping 59 matching lines @@
   extensions::TabCaptureRegistry* registry =
       extensions::TabCaptureRegistry::Get(GetProfile());
   base::ListValue* const list = new base::ListValue();
   if (registry)
     registry->GetCapturedTabs(extension()->id(), list);
   SetResult(list);
   return true;
 }
 
 }  // namespace extensions