Update examples GYP to avoid rtc_base_approved warning.

webrtc/examples/peerconnection/server/main.cc

Index: webrtc/examples/peerconnection/server/main.cc
diff --git a/webrtc/examples/peerconnection/server/main.cc b/webrtc/examples/peerconnection/server/main.cc
index e69de9c64ac11c565fc9ed9286a578d9e59d03d4..44f42a659534f31644bd756753108bd52fa26949 100644
--- a/webrtc/examples/peerconnection/server/main.cc
+++ b/webrtc/examples/peerconnection/server/main.cc
@@ -17,10 +17,7 @@
 #include "webrtc/examples/peerconnection/server/data_socket.h"
 #include "webrtc/examples/peerconnection/server/peer_channel.h"
 #include "webrtc/examples/peerconnection/server/utils.h"
-#include "webrtc/base/flags.h"
-
-DEFINE_bool(help, false, "Prints this message");
-DEFINE_int(port, 8888, "The port on which to listen.");
+#include "webrtc/tools/simple_command_line_parser.h"
 
 static const size_t kMaxConnections = (FD_SETSIZE - 2);
 
@@ -50,16 +47,26 @@ void HandleBrowserRequest(DataSocket* ds, bool* quit) {
 }
 
 int main(int argc, char** argv) {
-  rtc::FlagList::SetFlagsFromCommandLine(&argc, argv, true);
-  if (FLAG_help) {
-    rtc::FlagList::Print(NULL, false);
+  std::string program_name = argv[0];
+  std::string usage = "Example usage: " + program_name + " --port=8888";
+  webrtc::test::CommandLineParser parser;
+  parser.Init(argc, argv);
+  parser.SetUsageMessage(usage);
+  parser.SetFlag("port", "8888");
+  parser.SetFlag("help", "false");
+  parser.ProcessFlags();
+
+  if (parser.GetFlag("help") == "true") {
+    parser.PrintUsageMessage();
     return 0;
   }
 
+  int port = strtol((parser.GetFlag("port")).c_str(), NULL, 10);
+
   // Abort if the user specifies a port that is outside the allowed
   // range [1, 65535].
-  if ((FLAG_port < 1) || (FLAG_port > 65535)) {
-    printf("Error: %i is not a valid port.\n", FLAG_port);
+  if ((port < 1) || (port > 65535)) {
+    printf("Error: %i is not a valid port.\n", port);
     return -1;
   }
 
@@ -67,12 +74,12 @@ int main(int argc, char** argv) {
   if (!listener.Create()) {
     printf("Failed to create server socket\n");
     return -1;
-  } else if (!listener.Listen(FLAG_port)) {
+  } else if (!listener.Listen(port)) {
     printf("Failed to listen on server socket\n");
     return -1;
   }
 
-  printf("Server listening on port %i\n", FLAG_port);
+  printf("Server listening on port %i\n", port);
 
   PeerChannel clients;
   typedef std::vector<DataSocket*> SocketArray;