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

chrome/browser/extensions/test_extension_environment.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/test_extension_environment.h"
 
 #include "base/command_line.h"
 #include "base/json/json_writer.h"
 #include "base/run_loop.h"
 #include "base/values.h"
@@ skipping 35 matching lines @@
   return profile_.get();
 }
 
 TestExtensionSystem* TestExtensionEnvironment::GetExtensionSystem() {
   return static_cast<TestExtensionSystem*>(ExtensionSystem::Get(profile()));
 }
 
 ExtensionService* TestExtensionEnvironment::GetExtensionService() {
   if (extension_service_ == NULL) {
     extension_service_ = GetExtensionSystem()->CreateExtensionService(
-        CommandLine::ForCurrentProcess(), base::FilePath(), false);
+        base::CommandLine::ForCurrentProcess(), base::FilePath(), false);
   }
   return extension_service_;
 }
 
 ExtensionPrefs* TestExtensionEnvironment::GetExtensionPrefs() {
   if (extension_prefs_ == NULL) {
     extension_prefs_ = GetExtensionSystem()->CreateExtensionPrefs(
-        CommandLine::ForCurrentProcess(), base::FilePath());
+        base::CommandLine::ForCurrentProcess(), base::FilePath());
   }
   return extension_prefs_;
 }
 
 const Extension* TestExtensionEnvironment::MakeExtension(
     const base::Value& manifest_extra) {
   scoped_ptr<base::DictionaryValue> manifest = DictionaryBuilder()
       .Set("name", "Extension")
       .Set("version", "1.0")
       .Set("manifest_version", 2)
@@ skipping 15 matching lines @@
 
 scoped_ptr<content::WebContents> TestExtensionEnvironment::MakeTab() const {
   scoped_ptr<content::WebContents> contents(
       content::WebContentsTester::CreateTestWebContents(profile(), NULL));
   // Create a tab id.
   SessionTabHelper::CreateForWebContents(contents.get());
   return contents.Pass();
 }
 
 }  // namespace extensions