Move P2P code to content namespace.

content/browser/renderer_host/p2p/socket_host_tcp_server.h

Index: content/browser/renderer_host/p2p/socket_host_tcp_server.h
diff --git a/content/browser/renderer_host/p2p/socket_host_tcp_server.h b/content/browser/renderer_host/p2p/socket_host_tcp_server.h
index cab922c8904ead19990582bb2fe55435208799d7..110075e6f73dd852d2dd365d8e3b3a403794ce2b 100644
--- a/content/browser/renderer_host/p2p/socket_host_tcp_server.h
+++ b/content/browser/renderer_host/p2p/socket_host_tcp_server.h
@@ -19,6 +19,8 @@ namespace net {
 class StreamSocket;
 }  // namespace net
 
+namespace content {
+
 class P2PSocketHostTcpServer : public P2PSocketHost {
  public:
   P2PSocketHostTcpServer(IPC::Message::Sender* message_sender,
@@ -57,4 +59,6 @@ class P2PSocketHostTcpServer : public P2PSocketHost {
   DISALLOW_COPY_AND_ASSIGN(P2PSocketHostTcpServer);
 };
 
+}  // namespace content
+
 #endif  // CONTENT_BROWSER_RENDERER_HOST_P2P_SOCKET_HOST_TCP_SERVER_H_