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

extensions/common/manifest_handlers/background_info.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 "extensions/common/manifest_handlers/background_info.h"
 
 #include "base/command_line.h"
 #include "base/files/file_util.h"
 #include "base/lazy_instance.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 152 matching lines @@
       *error = ASCIIToUTF16(errors::kBackgroundPermissionNeeded);
       return false;
     }
     // Hosted apps require an absolute URL.
     if (!background_url_.is_valid()) {
       *error = ASCIIToUTF16(errors::kInvalidBackgroundInHostedApp);
       return false;
     }
 
     if (!(background_url_.SchemeIs("https") ||
-          (CommandLine::ForCurrentProcess()->HasSwitch(
-              switches::kAllowHTTPBackgroundPage) &&
+          (base::CommandLine::ForCurrentProcess()->HasSwitch(
+               switches::kAllowHTTPBackgroundPage) &&
            background_url_.SchemeIs("http")))) {
       *error = ASCIIToUTF16(errors::kInvalidBackgroundInHostedApp);
       return false;
     }
   } else {
     background_url_ = extension->GetResourceURL(background_str);
   }
 
   return true;
 }
@@ skipping 125 matching lines @@
 const std::vector<std::string> BackgroundManifestHandler::Keys() const {
   static const char* keys[] = {
       keys::kBackgroundAllowJsAccess,     keys::kBackgroundPage,
       keys::kBackgroundPageLegacy,        keys::kBackgroundPersistent,
       keys::kBackgroundScripts,           keys::kPlatformAppBackgroundPage,
       keys::kPlatformAppBackgroundScripts};
   return std::vector<std::string>(keys, keys + arraysize(keys));
 }
 
 }  // namespace extensions