Add a flag to LaunchSelLdr to skip grabbing a routing_id.

chrome/browser/nacl_host/nacl_process_host.cc

 // 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.
 
 #include "chrome/browser/nacl_host/nacl_process_host.h"
 
 #include <string>
 #include <vector>
 
 #include "base/bind.h"
@@ skipping 159 matching lines @@
   if (CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kEnableNaClExceptionHandling) ||
       getenv("NACL_UNTRUSTED_EXCEPTION_HANDLING") != NULL) {
     enable_exception_handling_ = true;
   }
   enable_debug_stub_ = CommandLine::ForCurrentProcess()->HasSwitch(
       switches::kEnableNaClDebug);
 
   enable_ipc_proxy_ = !CommandLine::ForCurrentProcess()->HasSwitch(
       switches::kEnableNaClSRPCProxy);
+  // If render_view_id == 0 we do not need PPAPI, so we can skip
+  // PPAPI IPC proxy channel creation, etc.
+  if (!render_view_id_)
+    enable_ipc_proxy_ = false;
 }
 
 NaClProcessHost::~NaClProcessHost() {
   int exit_code;
   process_->GetTerminationStatus(&exit_code);
   std::string message =
       base::StringPrintf("NaCl process exited with status %i (0x%x)",
                          exit_code, exit_code);
   if (exit_code == 0) {
     LOG(INFO) << message;
@@ skipping 709 matching lines @@
   } else {
     NaClStartDebugExceptionHandlerThread(
         process_handle.Take(), info,
         base::MessageLoopProxy::current(),
         base::Bind(&NaClProcessHost::OnDebugExceptionHandlerLaunchedByBroker,
                    weak_factory_.GetWeakPtr()));
     return true;
   }
 }
 #endif