Pepper: Move NaCl fatal logging to Chrome IPC.

components/nacl/loader/nacl_trusted_listener.h

 // 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.
 
 #ifndef COMPONENTS_NACL_LOADER_NACL_TRUSTED_LISTENER_H_
 #define COMPONENTS_NACL_LOADER_NACL_TRUSTED_LISTENER_H_
 
 #include "base/memory/ref_counted.h"
+#include "base/synchronization/waitable_event.h"
 #include "ipc/ipc_channel_handle.h"
 #include "ipc/ipc_channel_proxy.h"
 #include "ipc/ipc_listener.h"
 
 namespace base {
 class SingleThreadTaskRunner;
 }
 
 class NaClTrustedListener : public base::RefCounted<NaClTrustedListener>,
                             public IPC::Listener {
  public:
   NaClTrustedListener(const IPC::ChannelHandle& handle,
                       base::SingleThreadTaskRunner* ipc_task_runner);
 
 #if defined(OS_POSIX)
   int TakeClientFileDescriptor();
 #endif
 
   // Listener implementation.
   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
   virtual void OnChannelError() OVERRIDE;
 
   bool Send(IPC::Message* msg);
 
+  // Flushes tasks on the IPC task runner. This gives the IPC task runner a
+  // change to send messages if the process is being aborted.
+  bool FlushIpcTaskRunner(const base::TimeDelta& time);
+
+  static NaClTrustedListener* Get();
+
  private:
   friend class base::RefCounted<NaClTrustedListener>;
   virtual ~NaClTrustedListener();
+  void SignalIpcTaskRunnerFlushed();
+
+  base::SingleThreadTaskRunner* ipc_task_runner_;
   scoped_ptr<IPC::ChannelProxy> channel_proxy_;
+  base::WaitableEvent waitable_event_;
 
   DISALLOW_COPY_AND_ASSIGN(NaClTrustedListener);
 };
 
 #endif  // COMPONENTS_NACL_LOADER_NACL_TRUSTED_LISTENER_H_