Replace ASSERTs in platform/heap/ with DCHECKs

third_party/WebKit/Source/platform/heap/MarkingVisitorImpl.h

Index: third_party/WebKit/Source/platform/heap/MarkingVisitorImpl.h
diff --git a/third_party/WebKit/Source/platform/heap/MarkingVisitorImpl.h b/third_party/WebKit/Source/platform/heap/MarkingVisitorImpl.h
index 22c5cbd0900f82fb1bd0f71293c41dabc645cde5..44dbb5ca47d597982bc75d968e6f696351b5dc37 100644
--- a/third_party/WebKit/Source/platform/heap/MarkingVisitorImpl.h
+++ b/third_party/WebKit/Source/platform/heap/MarkingVisitorImpl.h
@@ -20,24 +20,24 @@ class MarkingVisitorImpl {
   inline void markHeader(HeapObjectHeader* header,
                          const void* objectPointer,
                          TraceCallback callback) {
-    ASSERT(header);
-    ASSERT(objectPointer);
+    DCHECK(header);
+    DCHECK(objectPointer);
     if (!toDerived()->shouldMarkObject(objectPointer))
       return;
 
-    // If you hit this ASSERT, it means that there is a dangling pointer
+    // If you hit this DCHECK, it means that there is a dangling pointer
     // from a live thread heap to a dead thread heap.  We must eliminate
     // the dangling pointer.
-    // Release builds don't have the ASSERT, but it is OK because
+    // Release builds don't have the DCHECK, but it is OK because
     // release builds will crash in the following header->isMarked()
     // because all the entries of the orphaned arenas are zapped.
-    ASSERT(!pageFromObject(objectPointer)->orphaned());
+    DCHECK(!pageFromObject(objectPointer)->orphaned());
 
     if (header->isMarked())
       return;
 
-    ASSERT(ThreadState::current()->isInGC());
-    ASSERT(toDerived()->getMarkingMode() != Visitor::WeakProcessing);
+    DCHECK(ThreadState::current()->isInGC());
+    DCHECK(toDerived()->getMarkingMode() != Visitor::WeakProcessing);
 
     // A GC should only mark the objects that belong in its heap.
     DCHECK(&pageFromObject(objectPointer)->arena()->getThreadState()->heap() ==
@@ -58,7 +58,7 @@ class MarkingVisitorImpl {
   }
 
   inline void registerDelayedMarkNoTracing(const void* objectPointer) {
-    ASSERT(toDerived()->getMarkingMode() != Visitor::WeakProcessing);
+    DCHECK(toDerived()->getMarkingMode() != Visitor::WeakProcessing);
     toDerived()->heap().pushPostMarkingCallback(
         const_cast<void*>(objectPointer), &markNoTracingCallback);
   }
@@ -66,7 +66,7 @@ class MarkingVisitorImpl {
   inline void registerWeakMembers(const void* closure,
                                   const void* objectPointer,
                                   WeakCallback callback) {
-    ASSERT(toDerived()->getMarkingMode() != Visitor::WeakProcessing);
+    DCHECK(toDerived()->getMarkingMode() != Visitor::WeakProcessing);
     // We don't want to run weak processings when taking a snapshot.
     if (toDerived()->getMarkingMode() == Visitor::SnapshotMarking)
       return;
@@ -77,12 +77,12 @@ class MarkingVisitorImpl {
   inline void registerWeakTable(const void* closure,
                                 EphemeronCallback iterationCallback,
                                 EphemeronCallback iterationDoneCallback) {
-    ASSERT(toDerived()->getMarkingMode() != Visitor::WeakProcessing);
+    DCHECK(toDerived()->getMarkingMode() != Visitor::WeakProcessing);
     toDerived()->heap().registerWeakTable(
         const_cast<void*>(closure), iterationCallback, iterationDoneCallback);
   }
 
-#if ENABLE(ASSERT)
+#if DCHECK_IS_ON()
   inline bool weakTableRegistered(const void* closure) {
     return toDerived()->heap().weakTableRegistered(closure);
   }
@@ -108,7 +108,7 @@ class MarkingVisitorImpl {
       return false;
     if (!toDerived()->shouldMarkObject(objectPointer))
       return false;
-#if ENABLE(ASSERT)
+#if DCHECK_IS_ON()
     if (HeapObjectHeader::fromPayload(objectPointer)->isMarked())
       return false;
 
@@ -125,7 +125,7 @@ class MarkingVisitorImpl {
   }
 
   inline void registerWeakCellWithCallback(void** cell, WeakCallback callback) {
-    ASSERT(toDerived()->getMarkingMode() != Visitor::WeakProcessing);
+    DCHECK(toDerived()->getMarkingMode() != Visitor::WeakProcessing);
     // We don't want to run weak processings when taking a snapshot.
     if (toDerived()->getMarkingMode() == Visitor::SnapshotMarking)
       return;