Fix issues with replay_process in ipc fuzzer. Make it compile on windows.

tools/ipc_fuzzer/replay/replay_process.cc

Index: tools/ipc_fuzzer/replay/replay_process.cc
diff --git a/tools/ipc_fuzzer/replay/replay_process.cc b/tools/ipc_fuzzer/replay/replay_process.cc
index 500e4d4779a3a3d428fc23f2e8f1c2e4ebcc14ef..af2b00925025ed0d78bfd67ffabc2469a51d32cb 100644
--- a/tools/ipc_fuzzer/replay/replay_process.cc
+++ b/tools/ipc_fuzzer/replay/replay_process.cc
@@ -25,6 +25,11 @@ ReplayProcess::ReplayProcess()
 
 ReplayProcess::~ReplayProcess() {
   channel_.reset();
+
+  // Signal this event before shutting down the service process. That way all
+  // background threads can cleanup.
+  shutdown_event_.Signal();
+  io_thread_.Stop();
 }
 
 bool ReplayProcess::Initialize(int argc, const char** argv) {
@@ -44,9 +49,12 @@ bool ReplayProcess::Initialize(int argc, const char** argv) {
   io_thread_.StartWithOptions(
       base::Thread::Options(base::MessageLoop::TYPE_IO, 0));
 
+#if defined(OS_POSIX)
   base::GlobalDescriptors* g_fds = base::GlobalDescriptors::GetInstance();
   g_fds->Set(kPrimaryIPCChannel,
              kPrimaryIPCChannel + base::GlobalDescriptors::kBaseDescriptor);
+#endif
+
   return true;
 }