Switch microtasks checks from V8_ENABLE_CHECKS to DEBUG to work with dcheck_always_on.

BUG=chromium:594974
LOG=N

Review URL: https://codereview.chromium.org/1801313002

Cr-Commit-Position: refs/heads/master@{#34909}

src/api.cc

@@ -156,7 +156,7 @@ class InternalEscapableScope : public v8::EscapableHandleScope {
 };
 
 
-#ifdef V8_ENABLE_CHECKS
+#ifdef DEBUG
 void CheckMicrotasksScopesConsistency(i::Isolate* isolate) {
   auto handle_scope_implementer = isolate->handle_scope_implementer();
   if (handle_scope_implementer->microtasks_policy() ==
@@ -187,7 +187,7 @@ class CallDepthScope {
     if (!context_.IsEmpty()) context_->Exit();
     if (!escaped_) isolate_->handle_scope_implementer()->DecrementCallDepth();
     if (do_callback_) isolate_->FireCallCompletedCallback();
-#ifdef V8_ENABLE_CHECKS
+#ifdef DEBUG
     if (do_callback_) CheckMicrotasksScopesConsistency(isolate_);
 #endif
   }
@@ -7804,7 +7804,7 @@ MicrotasksScope::MicrotasksScope(Isolate* isolate, MicrotasksScope::Type type)
       run_(type == MicrotasksScope::kRunMicrotasks) {
   auto handle_scope_implementer = isolate_->handle_scope_implementer();
   if (run_) handle_scope_implementer->IncrementMicrotasksScopeDepth();
-#ifdef V8_ENABLE_CHECKS
+#ifdef DEBUG
   if (!run_) handle_scope_implementer->IncrementDebugMicrotasksScopeDepth();
 #endif
 }
@@ -7819,7 +7819,7 @@ MicrotasksScope::~MicrotasksScope() {
       PerformCheckpoint(reinterpret_cast<Isolate*>(isolate_));
     }
   }
-#ifdef V8_ENABLE_CHECKS
+#ifdef DEBUG
   if (!run_) handle_scope_implementer->DecrementDebugMicrotasksScopeDepth();
 #endif
 }

src/api.h

@@ -454,7 +454,7 @@ class HandleScopeImplementer {
         call_depth_(0),
         microtasks_depth_(0),
         microtasks_suppressions_(0),
-#ifdef V8_ENABLE_CHECKS
+#ifdef DEBUG
         debug_microtasks_depth_(0),
 #endif
         microtasks_policy_(v8::MicrotasksPolicy::kAuto),
@@ -495,7 +495,7 @@ class HandleScopeImplementer {
   inline void DecrementMicrotasksSuppressions() {microtasks_suppressions_--;}
   inline bool HasMicrotasksSuppressions() { return !!microtasks_suppressions_; }
 
-#ifdef V8_ENABLE_CHECKS
+#ifdef DEBUG
   // In debug we check that calls not intended to invoke microtasks are
   // still correctly wrapped with microtask scopes.
   inline void IncrementDebugMicrotasksScopeDepth() {debug_microtasks_depth_++;}
@@ -566,7 +566,7 @@ class HandleScopeImplementer {
   int call_depth_;
   int microtasks_depth_;
   int microtasks_suppressions_;
-#ifdef V8_ENABLE_CHECKS
+#ifdef DEBUG
   int debug_microtasks_depth_;
 #endif
   v8::MicrotasksPolicy microtasks_policy_;