Replace ASSERT by RTC_DCHECK in all non-test code.

webrtc/base/signalthread.cc

Index: webrtc/base/signalthread.cc
diff --git a/webrtc/base/signalthread.cc b/webrtc/base/signalthread.cc
index 1934e2b89d0a099d0bcb3262597bcb143dbbb409..6e0bd14ebba60d6615ec26cd119b4b44694681a0 100644
--- a/webrtc/base/signalthread.cc
+++ b/webrtc/base/signalthread.cc
@@ -30,19 +30,19 @@ SignalThread::SignalThread(bool use_socket_server)
 }
 
 SignalThread::~SignalThread() {
-  ASSERT(refcount_ == 0);
+  RTC_DCHECK(refcount_ == 0);
 }
 
 bool SignalThread::SetName(const std::string& name, const void* obj) {
   EnterExit ee(this);
-  ASSERT(main_->IsCurrent());
-  ASSERT(kInit == state_);
+  RTC_DCHECK(main_->IsCurrent());
+  RTC_DCHECK(kInit == state_);
   return worker_.SetName(name, obj);
 }
 
 void SignalThread::Start() {
   EnterExit ee(this);
-  ASSERT(main_->IsCurrent());
+  RTC_DCHECK(main_->IsCurrent());
   if (kInit == state_ || kComplete == state_) {
     state_ = kRunning;
     OnWorkStart();
@@ -54,7 +54,7 @@ void SignalThread::Start() {
 
 void SignalThread::Destroy(bool wait) {
   EnterExit ee(this);
-  ASSERT(main_->IsCurrent());
+  RTC_DCHECK(main_->IsCurrent());
   if ((kInit == state_) || (kComplete == state_)) {
     refcount_--;
   } else if (kRunning == state_ || kReleasing == state_) {
@@ -77,7 +77,7 @@ void SignalThread::Destroy(bool wait) {
 
 void SignalThread::Release() {
   EnterExit ee(this);
-  ASSERT(main_->IsCurrent());
+  RTC_DCHECK(main_->IsCurrent());
   if (kComplete == state_) {
     refcount_--;
   } else if (kRunning == state_) {
@@ -90,14 +90,14 @@ void SignalThread::Release() {
 
 bool SignalThread::ContinueWork() {
   EnterExit ee(this);
-  ASSERT(worker_.IsCurrent());
+  RTC_DCHECK(worker_.IsCurrent());
   return worker_.ProcessMessages(0);
 }
 
 void SignalThread::OnMessage(Message *msg) {
   EnterExit ee(this);
   if (ST_MSG_WORKER_DONE == msg->message_id) {
-    ASSERT(main_->IsCurrent());
+    RTC_DCHECK(main_->IsCurrent());
     OnWorkDone();
     bool do_delete = false;
     if (kRunning == state_) {