Replace ASSERT by RTC_DCHECK in all non-test code.

webrtc/base/taskrunner.h

 /*
  *  Copyright 2004 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_BASE_TASKRUNNER_H__
 #define WEBRTC_BASE_TASKRUNNER_H__
 
 #include <stdint.h>
 
 #include <vector>
 
+#include "webrtc/base/checks.h"
 #include "webrtc/base/sigslot.h"
 #include "webrtc/base/taskparent.h"
 
 namespace rtc {
 class Task;
 
 const int64_t kSecToMsec = 1000;
 const int64_t kMsecTo100ns = 10000;
 const int64_t kSecTo100ns = kSecToMsec * kMsecTo100ns;
 
@@ skipping 10 matching lines @@
   //
   // On Windows, GetSystemTimeAsFileTime is the typical implementation.
   virtual int64_t CurrentTime() = 0;
 
   void StartTask(Task *task);
   void RunTasks();
   void PollTasks();
 
   void UpdateTaskTimeout(Task* task, int64_t previous_task_timeout_time);
 
-#if !defined(NDEBUG)
+#if RTC_DCHECK_IS_ON
   bool is_ok_to_delete(Task* task) {
     return task == deleting_task_;
   }
 
   void IncrementAbortCount() {
     ++abort_count_;
   }
 
   void DecrementAbortCount() {
     --abort_count_;
@@ skipping 20 matching lines @@
   // called when no time change has happened.
   virtual void OnTimeoutChange() {
     // by default, do nothing.
   }
 
  private:
   void InternalRunTasks(bool in_destructor);
   void CheckForTimeoutChange(int64_t previous_timeout_time);
 
   std::vector<Task *> tasks_;
-  Task *next_timeout_task_;
-  bool tasks_running_;
-#if !defined(NDEBUG)
-  int abort_count_;
-  Task* deleting_task_;
+  Task *next_timeout_task_ = nullptr;
+  bool tasks_running_ = false;
+#if RTC_DCHECK_IS_ON
+  int abort_count_ = 0;
+  Task* deleting_task_ = nullptr;
 #endif
 
   void RecalcNextTimeout(Task *exclude_task);
 };
 
 } // namespace rtc
 
 #endif  // TASK_BASE_TASKRUNNER_H__