Remove keep-alive impulse IPCs from NaCl modules.

ppapi/nacl_irt/ppapi_dispatcher.cc

 // Copyright 2014 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 "ppapi/nacl_irt/ppapi_dispatcher.h"
 
 #include <stddef.h>
 
 #include <map>
 #include <set>
@@ skipping 147 matching lines @@
   base::CommandLine::Init(0, NULL);
   for (size_t i = 0; i < args.switch_names.size(); ++i) {
     DCHECK(i < args.switch_values.size());
     base::CommandLine::ForCurrentProcess()->AppendSwitchASCII(
         args.switch_names[i], args.switch_values[i]);
   }
   logging::LoggingSettings settings;
   settings.logging_dest = logging::LOG_TO_SYSTEM_DEBUG_LOG;
   logging::InitLogging(settings);
 
-  proxy::PluginGlobals::Get()->set_keepalive_throttle_interval_milliseconds(
-      args.keepalive_throttle_interval_milliseconds);
-
   // Tell the process-global GetInterface which interfaces it can return to the
   // plugin.
   proxy::InterfaceList::SetProcessGlobalPermissions(args.permissions);
 
   int32_t error = ::PPP_InitializeModule(
       0 /* module */,
       &proxy::PluginDispatcher::GetBrowserInterface);
   if (error)
     ::exit(error);
 
@@ skipping 23 matching lines @@
     NOTREACHED();
     return;
   }
   std::map<uint32_t, proxy::PluginDispatcher*>::iterator dispatcher =
       plugin_dispatchers_.find(id);
   if (dispatcher != plugin_dispatchers_.end())
     dispatcher->second->OnMessageReceived(msg);
 }
 
 }  // namespace ppapi