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

chrome/browser/media/chrome_media_stream_infobar_browsertest.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 "base/command_line.h"
 #include "base/files/file_util.h"
 #include "base/strings/stringprintf.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/infobars/infobar_service.h"
 #include "chrome/browser/media/media_stream_devices_controller.h"
@@ skipping 18 matching lines @@
 
 
 // MediaStreamInfoBarTest -----------------------------------------------------
 
 class MediaStreamInfoBarTest : public WebRtcTestBase {
  public:
   MediaStreamInfoBarTest() {}
   ~MediaStreamInfoBarTest() override {}
 
   // InProcessBrowserTest:
-  void SetUpCommandLine(CommandLine* command_line) override {
+  void SetUpCommandLine(base::CommandLine* command_line) override {
     // This test expects to run with fake devices but real UI.
     command_line->AppendSwitch(switches::kUseFakeDeviceForMediaStream);
     EXPECT_FALSE(command_line->HasSwitch(switches::kUseFakeUIForMediaStream))
         << "Since this test tests the UI we want the real UI!";
   }
 
  protected:
   content::WebContents* LoadTestPageInTab() {
     return LoadTestPageInBrowser(browser());
   }
@@ skipping 71 matching lines @@
 
 IN_PROC_BROWSER_TEST_F(MediaStreamInfoBarTest, TestDenyingUserMediaIncognito) {
   content::WebContents* tab_contents = LoadTestPageInIncognitoTab();
   GetUserMediaAndDeny(tab_contents);
 }
 
 IN_PROC_BROWSER_TEST_F(MediaStreamInfoBarTest,
                        TestAcceptThenDenyWhichShouldBeSticky) {
 #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
 
   content::WebContents* tab_contents = LoadTestPageInTab();
 
   GetUserMediaAndAccept(tab_contents);
   GetUserMediaAndDeny(tab_contents);
 
   // Should fail with permission denied right away with no infobar popping up.
   GetUserMedia(tab_contents, kAudioVideoCallConstraints);
@@ skipping 62 matching lines @@
 IN_PROC_BROWSER_TEST_F(MediaStreamInfoBarTest,
                        DenyingCameraDoesNotCauseStickyDenyForMics) {
   content::WebContents* tab_contents = LoadTestPageInTab();
 
   // If camera blocking also blocked mics, the second call here would hang.
   GetUserMediaWithSpecificConstraintsAndDeny(tab_contents,
                                              kVideoOnlyCallConstraints);
   GetUserMediaWithSpecificConstraintsAndAccept(tab_contents,
                                                kAudioOnlyCallConstraints);
 }