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

chrome/browser/extensions/api/sessions/sessions_apitest.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/sessions/sessions_api.h"
 
 #include "base/command_line.h"
 #include "base/path_service.h"
 #include "base/strings/stringprintf.h"
 #include "chrome/browser/extensions/api/tabs/tabs_api.h"
@@ skipping 67 matching lines @@
   sync_pb::TabNavigation* navigation = tab->add_navigation();
   navigation->set_virtual_url("http://foo/1");
   navigation->set_favicon_url("http://foo/favicon.ico");
   navigation->set_referrer("MyReferrer");
   navigation->set_title("MyTitle");
   navigation->set_page_transition(sync_pb::SyncEnums_PageTransition_TYPED);
 }
 
 class ExtensionSessionsTest : public InProcessBrowserTest {
  public:
-  void SetUpCommandLine(CommandLine* command_line) override;
+  void SetUpCommandLine(base::CommandLine* command_line) override;
   void SetUpOnMainThread() override;
 
  protected:
   static KeyedService* BuildProfileSyncService(
       content::BrowserContext* profile);
 
   void CreateTestProfileSyncService();
   void CreateTestExtension();
   void CreateSessionModels();
 
   template <class T>
   scoped_refptr<T> CreateFunction(bool has_callback) {
     scoped_refptr<T> fn(new T());
     fn->set_extension(extension_.get());
     fn->set_has_callback(has_callback);
     return fn;
   }
 
   Browser* browser_;
   scoped_refptr<Extension> extension_;
 };
 
-void ExtensionSessionsTest::SetUpCommandLine(CommandLine* command_line) {
+void ExtensionSessionsTest::SetUpCommandLine(base::CommandLine* command_line) {
 #if defined(OS_CHROMEOS)
   command_line->AppendSwitch(
       chromeos::switches::kIgnoreUserProfileMappingForTests);
 #endif
 }
 
 void ExtensionSessionsTest::SetUpOnMainThread() {
   CreateTestProfileSyncService();
   CreateTestExtension();
 }
@@ skipping 255 matching lines @@
 
 // Flaky on ChromeOS, times out on OSX Debug http://crbug.com/251199
 #if defined(OS_CHROMEOS) || (defined(OS_MACOSX) && !defined(NDEBUG))
 #define MAYBE_SessionsApis DISABLED_SessionsApis
 #else
 #define MAYBE_SessionsApis SessionsApis
 #endif
 IN_PROC_BROWSER_TEST_F(ExtensionApiTest, MAYBE_SessionsApis) {
 #if defined(OS_WIN) && defined(USE_ASH)
   // Disable this test in Metro+Ash for now (http://crbug.com/262796).
-  if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kAshBrowserTests))
+  if (base::CommandLine::ForCurrentProcess()->HasSwitch(
+          switches::kAshBrowserTests))
     return;
 #endif
 
   ASSERT_TRUE(RunExtensionSubtest("sessions",
                                   "sessions.html")) << message_;
 }
 
 }  // namespace
 
 }  // namespace extensions