components: Remove use of MessageLoopProxy and deprecated MessageLoop APIs

components/nacl/browser/nacl_process_host.cc

Index: components/nacl/browser/nacl_process_host.cc
diff --git a/components/nacl/browser/nacl_process_host.cc b/components/nacl/browser/nacl_process_host.cc
index da6c3e113af3a6fa6cd8dbaef409831d055378b2..4c719fd5ded2ac1a181bbdfb66d82448b8852b53 100644
--- a/components/nacl/browser/nacl_process_host.cc
+++ b/components/nacl/browser/nacl_process_host.cc
@@ -12,18 +12,20 @@
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/files/file_util.h"
-#include "base/message_loop/message_loop.h"
+#include "base/location.h"
 #include "base/metrics/histogram.h"
 #include "base/path_service.h"
 #include "base/process/launch.h"
 #include "base/process/process_iterator.h"
 #include "base/rand_util.h"
+#include "base/single_thread_task_runner.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_split.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/sys_byteorder.h"
+#include "base/thread_task_runner_handle.h"
 #include "base/threading/sequenced_worker_pool.h"
 #include "base/win/windows_version.h"
 #include "build/build_config.h"
@@ -1133,10 +1135,8 @@ bool NaClProcessHost::StartPPAPIProxy(ScopedChannelHandle channel_handle) {
   DCHECK_EQ(PROCESS_TYPE_NACL_LOADER, process_->GetData().process_type);
 
   ipc_proxy_channel_ = IPC::ChannelProxy::Create(
-      channel_handle.release(),
-      IPC::Channel::MODE_CLIENT,
-      NULL,
-      base::MessageLoopProxy::current().get());
+      channel_handle.release(), IPC::Channel::MODE_CLIENT, NULL,
+      base::ThreadTaskRunnerHandle::Get().get());
   // Create the browser ppapi host and enable PPAPI message dispatching to the
   // browser process.
   ppapi_host_.reset(content::BrowserPpapiHost::CreateExternalPluginProcess(
@@ -1383,8 +1383,7 @@ bool NaClProcessHost::AttachDebugExceptionHandler(const std::string& info,
                info);
   } else {
     NaClStartDebugExceptionHandlerThread(
-        process.Pass(), info,
-        base::MessageLoopProxy::current(),
+        process.Pass(), info, base::ThreadTaskRunnerHandle::Get(),
         base::Bind(&NaClProcessHost::OnDebugExceptionHandlerLaunchedByBroker,
                    weak_factory_.GetWeakPtr()));
     return true;