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

content/renderer/npapi/webplugin_impl.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.
 
 #include "content/renderer/npapi/webplugin_impl.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/debug/crash_logging.h"
 #include "base/logging.h"
@@ skipping 1201 matching lines @@
       resource_client->DidFail(resource_id);
     return;
   }
 
   // CreateResourceClient() sends a synchronous IPC message so it's possible
   // that TearDownPluginInstance() may have been called in the nested
   // message loop.  If so, don't start the request.
   if (!delegate_)
     return;
 
-  if (!CommandLine::ForCurrentProcess()->HasSwitch(
+  if (!base::CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kDisableDirectNPAPIRequests)) {
     // We got here either because the plugin called GetURL/PostURL, or because
     // we're fetching the data for an embed tag. If we're in multi-process mode,
     // we want to fetch the data in the plugin process as the renderer won't be
     // able to request any origin when site isolation is in place. So bounce
     // this request back to the plugin process which will use ResourceDispatcher
     // to fetch the url.
 
     // TODO(jam): any better way of getting this? Can't find a way to get
     // frame()->loader()->outgoingReferrer() which
@@ skipping 297 matching lines @@
     case PLUGIN_SRC:
       webframe_->setReferrerForRequest(*request, plugin_url_);
       break;
 
     default:
       break;
   }
 }
 
 }  // namespace content