[heap] Remove obsolete DisallowAllocationFailure scope.

src/heap/heap-inl.h

 // Copyright 2012 the V8 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.
 
 #ifndef V8_HEAP_HEAP_INL_H_
 #define V8_HEAP_HEAP_INL_H_
 
 #include <cmath>
 
 #include "src/base/platform/platform.h"
@@ skipping 180 matching lines @@
 }
 
 
 AllocationResult Heap::AllocateRaw(int size_in_bytes, AllocationSpace space,
                                    AllocationSpace retry_space,
                                    AllocationAlignment alignment) {
   DCHECK(AllowHandleAllocation::IsAllowed());
   DCHECK(AllowHeapAllocation::IsAllowed());
   DCHECK(gc_state_ == NOT_IN_GC);
 #ifdef DEBUG
-  if (FLAG_gc_interval >= 0 && AllowAllocationFailure::IsAllowed(isolate_) &&
+  if (FLAG_gc_interval >= 0 && !always_allocate() &&
       Heap::allocation_timeout_-- <= 0) {
     return AllocationResult::Retry(space);
   }
   isolate_->counters()->objs_since_last_full()->Increment();
   isolate_->counters()->objs_since_last_young()->Increment();
 #endif
 
   HeapObject* object;
   AllocationResult allocation;
   if (NEW_SPACE == space) {
@@ skipping 529 matching lines @@
 }
 
 
 void Heap::SetSetterStubDeoptPCOffset(int pc_offset) {
   DCHECK(setter_stub_deopt_pc_offset() == Smi::FromInt(0));
   set_setter_stub_deopt_pc_offset(Smi::FromInt(pc_offset));
 }
 
 
 AlwaysAllocateScope::AlwaysAllocateScope(Isolate* isolate)
-    : heap_(isolate->heap()), daf_(isolate) {
+    : heap_(isolate->heap()) {
   heap_->always_allocate_scope_count_.Increment(1);
 }
 
 
 AlwaysAllocateScope::~AlwaysAllocateScope() {
   heap_->always_allocate_scope_count_.Increment(-1);
 }
 
 
 GCCallbacksScope::GCCallbacksScope(Heap* heap) : heap_(heap) {
@@ skipping 22 matching lines @@
 
 void VerifySmisVisitor::VisitPointers(Object** start, Object** end) {
   for (Object** current = start; current < end; current++) {
     CHECK((*current)->IsSmi());
   }
 }
 }
 }  // namespace v8::internal
 
 #endif  // V8_HEAP_HEAP_INL_H_