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

chrome/browser/extensions/webstore_installer.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 "chrome/browser/extensions/webstore_installer.h"
 
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/bind.h"
@@ skipping 166 matching lines @@
     case INSTALL_SOURCE_INLINE:
       install_source = kInlineInstallSource;
       break;
     case INSTALL_SOURCE_APP_LAUNCHER:
       install_source = kAppLauncherInstallSource;
       break;
     case INSTALL_SOURCE_OTHER:
       install_source = kDefaultInstallSource;
   }
 
-  CommandLine* cmd_line = CommandLine::ForCurrentProcess();
+  base::CommandLine* cmd_line = base::CommandLine::ForCurrentProcess();
   if (cmd_line->HasSwitch(switches::kAppsGalleryDownloadURL)) {
     std::string download_url =
         cmd_line->GetSwitchValueASCII(switches::kAppsGalleryDownloadURL);
     return GURL(base::StringPrintf(download_url.c_str(),
                                    extension_id.c_str()));
   }
   std::vector<std::string> params;
   params.push_back("id=" + extension_id);
   if (!install_source.empty())
     params.push_back("installsource=" + install_source);
@@ skipping 539 matching lines @@
         1,
         kMaxSizeKb,
         kNumBuckets);
   }
   UMA_HISTOGRAM_BOOLEAN(
       "Extensions.WebstoreDownload.InterruptTotalSizeUnknown",
       total_bytes <= 0);
 }
 
 }  // namespace extensions