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

chrome/browser/extensions/api/desktop_capture/desktop_capture_api.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/extensions/api/desktop_capture/desktop_capture_api.h"
 
 #include "ash/shell.h"
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 88 matching lines @@
       error_ = kNoUrlError;
       return false;
     }
     origin_ = GURL(*(params->target_tab->url)).GetOrigin();
 
     if (!origin_.is_valid()) {
       error_ = kInvalidOriginError;
       return false;
     }
 
-    if (!CommandLine::ForCurrentProcess()->HasSwitch(
+    if (!base::CommandLine::ForCurrentProcess()->HasSwitch(
             switches::kAllowHttpScreenCapture) &&
         !origin_.SchemeIsSecure()) {
       error_ = kTabUrlNotSecure;
       return false;
     }
     target_name = base::UTF8ToUTF16(origin_.SchemeIsSecure() ?
         net::GetHostAndOptionalPort(origin_) : origin_.spec());
 
     if (!params->target_tab->id) {
       error_ = kNoTabIdError;
@@ skipping 177 matching lines @@
 
 void DesktopCaptureRequestsRegistry::CancelRequest(int process_id,
                                                    int request_id) {
   RequestsMap::iterator it = requests_.find(RequestId(process_id, request_id));
   if (it != requests_.end())
     it->second->Cancel();
 }
 
 
 }  // namespace extensions