Implement command line flags for peerconnection client example on Windows

Adding the flags and functionality for 'autoconnect', 'autocall', 'server',
'port', and 'help' like in the linux example.

BUG=3459
R=tommi@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/13609004

Patch from Vicken Simonian <vsimon@gmail.com>.

git-svn-id: http://webrtc.googlecode.com/svn/trunk@6573 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/talk/examples/peerconnection/client/main_wnd.h b/talk/examples/peerconnection/client/main_wnd.h
index 6d2bf3e..77da9f6 100644
--- a/talk/examples/peerconnection/client/main_wnd.h
+++ b/talk/examples/peerconnection/client/main_wnd.h
@@ -93,7 +93,7 @@
     UI_THREAD_CALLBACK = WM_APP + 1,
   };
 
-  MainWnd();
+  MainWnd(const char* server, int port, bool auto_connect, bool auto_call);
   ~MainWnd();
 
   bool Create();
@@ -207,6 +207,10 @@
   void* nested_msg_;
   MainWndCallback* callback_;
   static ATOM wnd_class_;
+  std::string server_;
+  std::string port_;
+  bool auto_connect_;
+  bool auto_call_;
 };
 #endif  // WIN32