remoting: Use stl utilities from the base namespace

remoting/protocol/channel_multiplexer.cc

Index: remoting/protocol/channel_multiplexer.cc
diff --git a/remoting/protocol/channel_multiplexer.cc b/remoting/protocol/channel_multiplexer.cc
index 983f8a86f7e62663267c42aef24b63db2294a07b..5d343383f516ebec875983cbdc628804c30f69c9 100644
--- a/remoting/protocol/channel_multiplexer.cc
+++ b/remoting/protocol/channel_multiplexer.cc
@@ -145,7 +145,7 @@ ChannelMultiplexer::MuxChannel::MuxChannel(
 ChannelMultiplexer::MuxChannel::~MuxChannel() {
   // Socket must be destroyed before the channel.
   DCHECK(!socket_);
-  STLDeleteElements(&pending_packets_);
+  base::STLDeleteElements(&pending_packets_);
 }
 
 std::unique_ptr<P2PStreamSocket>
@@ -310,7 +310,7 @@ ChannelMultiplexer::ChannelMultiplexer(StreamChannelFactory* factory,
 
 ChannelMultiplexer::~ChannelMultiplexer() {
   DCHECK(pending_channels_.empty());
-  STLDeleteValues(&channels_);
+  base::STLDeleteValues(&channels_);
 
   // Cancel creation of the base channel if it hasn't finished.
   if (base_channel_factory_)