Remove interface directories kept to avoid breaking downstream.

webrtc/modules/utility/interface/process_thread.h

Index: webrtc/modules/utility/interface/process_thread.h
diff --git a/webrtc/modules/utility/interface/process_thread.h b/webrtc/modules/utility/interface/process_thread.h
deleted file mode 100644
index 1a7a8750cd42069c405b1473a7a7981c96c51891..0000000000000000000000000000000000000000
--- a/webrtc/modules/utility/interface/process_thread.h
+++ /dev/null
@@ -1,68 +0,0 @@
-/*
- *  Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
- *
- *  Use of this source code is governed by a BSD-style license
- *  that can be found in the LICENSE file in the root of the source
- *  tree. An additional intellectual property rights grant can be found
- *  in the file PATENTS.  All contributing project authors may
- *  be found in the AUTHORS file in the root of the source tree.
- */
-
-#ifndef WEBRTC_MODULES_UTILITY_INCLUDE_PROCESS_THREAD_H_
-#define WEBRTC_MODULES_UTILITY_INCLUDE_PROCESS_THREAD_H_
-
-#pragma message("WARNING: utility/interface is DEPRECATED; use utility/include")
-
-#include "webrtc/typedefs.h"
-#include "webrtc/base/scoped_ptr.h"
-
-namespace webrtc {
-class Module;
-
-class ProcessTask {
- public:
-  ProcessTask() {}
-  virtual ~ProcessTask() {}
-
-  virtual void Run() = 0;
-};
-
-class ProcessThread {
- public:
-  virtual ~ProcessThread();
-
-  static rtc::scoped_ptr<ProcessThread> Create(const char* thread_name);
-
-  // Starts the worker thread.  Must be called from the construction thread.
-  virtual void Start() = 0;
-
-  // Stops the worker thread.  Must be called from the construction thread.
-  virtual void Stop() = 0;
-
-  // Wakes the thread up to give a module a chance to do processing right
-  // away.  This causes the worker thread to wake up and requery the specified
-  // module for when it should be called back. (Typically the module should
-  // return 0 from TimeUntilNextProcess on the worker thread at that point).
-  // Can be called on any thread.
-  virtual void WakeUp(Module* module) = 0;
-
-  // Queues a task object to run on the worker thread.  Ownership of the
-  // task object is transferred to the ProcessThread and the object will
-  // either be deleted after running on the worker thread, or on the
-  // construction thread of the ProcessThread instance, if the task did not
-  // get a chance to run (e.g. posting the task while shutting down or when
-  // the thread never runs).
-  virtual void PostTask(rtc::scoped_ptr<ProcessTask> task) = 0;
-
-  // Adds a module that will start to receive callbacks on the worker thread.
-  // Can be called from any thread.
-  virtual void RegisterModule(Module* module) = 0;
-
-  // Removes a previously registered module.
-  // Can be called from any thread.
-  virtual void DeRegisterModule(Module* module) = 0;
-};
-
-}  // namespace webrtc
-
-#endif // WEBRTC_MODULES_UTILITY_INCLUDE_PROCESS_THREAD_H_