Replace deprecated base::NonThreadSafe in jingle in favor of SequenceChecker.

jingle/glue/task_pump.cc

Index: jingle/glue/task_pump.cc
diff --git a/jingle/glue/task_pump.cc b/jingle/glue/task_pump.cc
index 58399a2d93d72fb0e8a61bdb10ef4406f4cf11af..cb82875143b00461b8c5ddc2e9ce4428dc47581e 100644
--- a/jingle/glue/task_pump.cc
+++ b/jingle/glue/task_pump.cc
@@ -17,11 +17,11 @@ TaskPump::TaskPump()
 }
 
 TaskPump::~TaskPump() {
-  DCHECK(CalledOnValidThread());
+  DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
 }
 
 void TaskPump::WakeTasks() {
-  DCHECK(CalledOnValidThread());
+  DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
   if (!stopped_ && !posted_wake_) {
     // Do the requested wake up.
     base::ThreadTaskRunnerHandle::Get()->PostTask(
@@ -32,7 +32,7 @@ void TaskPump::WakeTasks() {
 }
 
 int64_t TaskPump::CurrentTime() {
-  DCHECK(CalledOnValidThread());
+  DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
   // Only timeout tasks rely on this function.  Since we're not using
   // libjingle tasks for timeout, it's safe to return 0 here.
   return 0;
@@ -43,7 +43,7 @@ void TaskPump::Stop() {
 }
 
 void TaskPump::CheckAndRunTasks() {
-  DCHECK(CalledOnValidThread());
+  DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
   if (stopped_) {
     return;
   }