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

chrome/browser/task_manager/task_manager_browsertest.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/task_manager/task_manager.h"
 
 #include "base/files/file_path.h"
 #include "base/strings/stringprintf.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/chrome_notification_types.h"
@@ skipping 95 matching lines @@
 
   int FindResourceIndex(const base::string16& title) {
     for (int i = 0; i < model()->ResourceCount(); ++i) {
       if (title == model()->GetResourceTitle(i))
         return i;
     }
     return -1;
   }
 
  protected:
-  void SetUpCommandLine(CommandLine* command_line) override {
+  void SetUpCommandLine(base::CommandLine* command_line) override {
     ExtensionBrowserTest::SetUpCommandLine(command_line);
 
     // Do not launch device discovery process.
     command_line->AppendSwitch(switches::kDisableDeviceDiscoveryNotifications);
   }
 
  private:
   DISALLOW_COPY_AND_ASSIGN(TaskManagerBrowserTest);
 };
 
 // Parameterized variant of TaskManagerBrowserTest which runs with/without
 // --site-per-process, which enables out of process iframes (OOPIFs).
 class TaskManagerOOPIFBrowserTest : public TaskManagerBrowserTest,
                                     public testing::WithParamInterface<bool> {
  public:
   TaskManagerOOPIFBrowserTest() {}
 
  protected:
-  void SetUpCommandLine(CommandLine* command_line) override {
+  void SetUpCommandLine(base::CommandLine* command_line) override {
     TaskManagerBrowserTest::SetUpCommandLine(command_line);
     if (GetParam())
       command_line->AppendSwitch(switches::kSitePerProcess);
   }
 
   bool ShouldExpectSubframes() {
-    return CommandLine::ForCurrentProcess()->HasSwitch(
+    return base::CommandLine::ForCurrentProcess()->HasSwitch(
         switches::kSitePerProcess);
   }
 
  private:
   DISALLOW_COPY_AND_ASSIGN(TaskManagerOOPIFBrowserTest);
 };
 
 INSTANTIATE_TEST_CASE_P(, TaskManagerOOPIFBrowserTest, ::testing::Bool());
 
 #if defined(OS_MACOSX) || defined(OS_LINUX)
@@ skipping 883 matching lines @@
   } else {
     ASSERT_NO_FATAL_FAILURE(
         WaitForTaskManagerRows(0, MatchSubframe("http://b.com/")));
     ASSERT_NO_FATAL_FAILURE(
         WaitForTaskManagerRows(1, MatchSubframe("http://c.com/")));
     ASSERT_NO_FATAL_FAILURE(WaitForTaskManagerRows(1, MatchAnySubframe()));
   }
   ASSERT_NO_FATAL_FAILURE(WaitForTaskManagerRows(1, MatchTab("aac")));
   ASSERT_NO_FATAL_FAILURE(WaitForTaskManagerRows(1, MatchAnyTab()));
 }