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

media/base/mac/avfoundation_glue.mm

 // 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.
 
 #import "media/base/mac/avfoundation_glue.h"
 
 #include <dlfcn.h>
 
 #include "base/command_line.h"
 #include "base/lazy_instance.h"
@@ skipping 108 matching lines @@
 
 // This contains the logic of checking whether AVFoundation is supported.
 // It's called only once and the results are cached in a static bool.
 bool IsAVFoundationSupportedHelper() {
   // AVFoundation is only available on OS Lion and above.
   if (!base::mac::IsOSLionOrLater()) {
     LogCaptureApi(CAPTURE_API_QTKIT_DUE_TO_OS_PREVIOUS_TO_LION);
     return false;
   }
 
-  const CommandLine* command_line = CommandLine::ForCurrentProcess();
+  const base::CommandLine* command_line =
+      base::CommandLine::ForCurrentProcess();
   // The force-qtkit flag takes precedence over enable-avfoundation.
   if (command_line->HasSwitch(switches::kForceQTKit)) {
     LogCaptureApi(CAPTURE_API_QTKIT_FORCED_BY_FLAG);
     return false;
   }
 
   if (!command_line->HasSwitch(switches::kEnableAVFoundation)) {
     LogCaptureApi(CAPTURE_API_QTKIT_DUE_TO_NO_FLAG);
     return false;
   }
@@ skipping 92 matching lines @@
 @implementation AVCaptureDeviceInputGlue
 
 + (CrAVCaptureDeviceInput*)deviceInputWithDevice:(CrAVCaptureDevice*)device
                                            error:(NSError**)outError {
   return [[AVFoundationGlue::AVFoundationBundle()
       classNamed:@"AVCaptureDeviceInput"] deviceInputWithDevice:device
                                                           error:outError];
 }
 
 @end  // @implementation AVCaptureDeviceInputGlue