Remove obsolete methods from IPC::Channel and related classes.

tools/ipc_fuzzer/message_replay/replay_process.cc

Index: tools/ipc_fuzzer/message_replay/replay_process.cc
diff --git a/tools/ipc_fuzzer/message_replay/replay_process.cc b/tools/ipc_fuzzer/message_replay/replay_process.cc
index 1d79cc90119145eaef2de71cca2802dcb515d31c..c14d7d837cd8bd0a3f261b2e5fcb6920a0bdef94 100644
--- a/tools/ipc_fuzzer/message_replay/replay_process.cc
+++ b/tools/ipc_fuzzer/message_replay/replay_process.cc
@@ -88,8 +88,6 @@ bool ReplayProcess::Initialize(int argc, const char** argv) {
 
 #if defined(OS_POSIX)
   base::GlobalDescriptors* g_fds = base::GlobalDescriptors::GetInstance();
-  g_fds->Set(kPrimaryIPCChannel,
-             kPrimaryIPCChannel + base::GlobalDescriptors::kBaseDescriptor);
   g_fds->Set(kMojoIPCChannel,
              kMojoIPCChannel + base::GlobalDescriptors::kBaseDescriptor);
 #endif