Replace ASSERT, ENABLE(ASSERT), and ASSERT_NOT_REACHED in wtf

third_party/WebKit/Source/wtf/ThreadSpecific.h

Index: third_party/WebKit/Source/wtf/ThreadSpecific.h
diff --git a/third_party/WebKit/Source/wtf/ThreadSpecific.h b/third_party/WebKit/Source/wtf/ThreadSpecific.h
index e6218acffd56eb5d272a257b292c054cb2e9330c..82f2144132138057f3ca924f9c1d4a1ae370fb75 100644
--- a/third_party/WebKit/Source/wtf/ThreadSpecific.h
+++ b/third_party/WebKit/Source/wtf/ThreadSpecific.h
@@ -155,7 +155,7 @@ inline T* ThreadSpecific<T>::get() {
 
 template <typename T>
 inline void ThreadSpecific<T>::set(T* ptr) {
-  ASSERT(!get());
+  DCHECK(!get());
   pthread_setspecific(m_key, new Data(ptr, this));
 }
 
@@ -212,7 +212,7 @@ inline T* ThreadSpecific<T>::get() {
 
 template <typename T>
 inline void ThreadSpecific<T>::set(T* ptr) {
-  ASSERT(!get());
+  DCHECK(!get());
   Data* data = new Data(ptr, this);
   data->destructor = &ThreadSpecific<T>::destroy;
   TlsSetValue(tlsKeys()[m_index], data);