Enable start_host compilation on Windows.

remoting/host/setup/start_host.cc

Index: remoting/host/setup/start_host.cc
diff --git a/remoting/host/setup/start_host.cc b/remoting/host/setup/start_host.cc
index 99580418dad8556dc55de9be0656b0f2bf87931c..efca68f13b2dacaea1cb10da3c36f0bd3b047942 100644
--- a/remoting/host/setup/start_host.cc
+++ b/remoting/host/setup/start_host.cc
@@ -1,9 +1,10 @@
 // Copyright (c) 2012 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.
+//
+// A simple command-line app that registers and starts a host.
 
 #include <stdio.h>
-#include <termios.h>
 
 #include "base/at_exit.h"
 #include "base/command_line.h"
@@ -18,7 +19,9 @@
 #include "remoting/host/setup/oauth_helper.h"
 #include "remoting/host/setup/pin_validator.h"
 
-// A simple command-line app that registers and starts a host.
+#if !defined(OS_WIN)
+#include <termios.h>
+#endif  // !defined(OS_WIN)
 
 using remoting::HostStarter;
 
@@ -30,6 +33,16 @@ base::MessageLoop* g_message_loop = NULL;
 
 // Lets us hide the PIN that a user types.
 void SetEcho(bool echo) {
+#if defined(OS_WIN)
+  DWORD mode;
+  HANDLE console_handle = GetStdHandle(STD_INPUT_HANDLE);
+  if (!GetConsoleMode(console_handle, &mode)) {
+    LOG(ERROR) << "GetConsoleMode failed";
+    return;
+  }
+  SetConsoleMode(console_handle,
+                 (mode & ~ENABLE_ECHO_INPUT) | (echo ? ENABLE_ECHO_INPUT : 0));
+#else
   termios term;
   tcgetattr(STDIN_FILENO, &term);
   if (echo) {
@@ -38,6 +51,7 @@ void SetEcho(bool echo) {
     term.c_lflag &= ~ECHO;
   }
   tcsetattr(STDIN_FILENO, TCSANOW, &term);
+#endif  // !defined(OS_WIN)
 }
 
 // Reads a newline-terminated string from stdin.