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

content/renderer/media/webrtc/peer_connection_dependency_factory.cc

 // Copyright 2014 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 "content/renderer/media/webrtc/peer_connection_dependency_factory.h"
 
 #include <vector>
 
 #include "base/command_line.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 333 matching lines @@
   signaling_thread_ = jingle_glue::JingleThreadWrapper::current();
 
   EnsureWebRtcAudioDeviceImpl();
 
   socket_factory_.reset(
       new IpcPacketSocketFactory(p2p_socket_dispatcher_.get()));
 
   scoped_ptr<cricket::WebRtcVideoDecoderFactory> decoder_factory;
   scoped_ptr<cricket::WebRtcVideoEncoderFactory> encoder_factory;
 
-  const CommandLine* cmd_line = CommandLine::ForCurrentProcess();
+  const base::CommandLine* cmd_line = base::CommandLine::ForCurrentProcess();
   if (gpu_factories.get()) {
     if (!cmd_line->HasSwitch(switches::kDisableWebRtcHWDecoding))
       decoder_factory.reset(new RTCVideoDecoderFactory(gpu_factories));
 
     if (!cmd_line->HasSwitch(switches::kDisableWebRtcHWEncoding))
       encoder_factory.reset(new RTCVideoEncoderFactory(gpu_factories));
   }
 
 #if defined(OS_ANDROID)
   if (!media::MediaCodecBridge::SupportsSetParameters())
@@ skipping 257 matching lines @@
 }
 
 void PeerConnectionDependencyFactory::EnsureWebRtcAudioDeviceImpl() {
   if (audio_device_.get())
     return;
 
   audio_device_ = new WebRtcAudioDeviceImpl();
 }
 
 }  // namespace content