Remove some unused flags

BUG=

Change-Id: I7542ada0eb557b5b813396f7d250549abb880f91
Reviewed-on: https://chromium-review.googlesource.com/444408
Commit-Queue: Michael Lippautz <mlippautz@chromium.org>
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Cr-Commit-Position: refs/heads/master@{#43283}

src/heap/heap.cc

@@ -5659,22 +5659,6 @@ void Heap::TearDown() {
 
   UpdateMaximumCommitted();
 
-  if (FLAG_print_max_heap_committed) {
-    PrintF("\n");
-    PrintF("maximum_committed_by_heap=%" PRIuS " ", MaximumCommittedMemory());
-    PrintF("maximum_committed_by_new_space=%" PRIuS " ",
-           new_space_->MaximumCommittedMemory());
-    PrintF("maximum_committed_by_old_space=%" PRIuS " ",
-           old_space_->MaximumCommittedMemory());
-    PrintF("maximum_committed_by_code_space=%" PRIuS " ",
-           code_space_->MaximumCommittedMemory());
-    PrintF("maximum_committed_by_map_space=%" PRIuS " ",
-           map_space_->MaximumCommittedMemory());
-    PrintF("maximum_committed_by_lo_space=%" PRIuS " ",
-           lo_space_->MaximumCommittedMemory());
-    PrintF("\n\n");
-  }
-
   if (FLAG_verify_predictable) {
     PrintAlloctionsHash();
   }

src/objects-inl.h

@@ -5239,20 +5239,15 @@ bool Code::IsWeakObject(Object* object) {
 
 bool Code::IsWeakObjectInOptimizedCode(Object* object) {
   if (object->IsMap()) {
-    return Map::cast(object)->CanTransition() &&
-           FLAG_weak_embedded_maps_in_optimized_code;
+    return Map::cast(object)->CanTransition();
   }
   if (object->IsCell()) {
     object = Cell::cast(object)->value();
   } else if (object->IsPropertyCell()) {
     object = PropertyCell::cast(object)->value();
   }
-  if (object->IsJSReceiver()) {
-    return FLAG_weak_embedded_objects_in_optimized_code;
-  }
-  if (object->IsContext()) {
-    // Contexts of inlined functions are embedded in optimized code.
-    return FLAG_weak_embedded_objects_in_optimized_code;
+  if (object->IsJSReceiver() || object->IsContext()) {
+    return true;
   }
   return false;
 }

test/cctest/heap/test-heap.cc

@@ -4342,7 +4342,6 @@ TEST(EnsureAllocationSiteDependentCodesProcessed) {
 
 TEST(CellsInOptimizedCodeAreWeak) {
   if (i::FLAG_always_opt || !i::FLAG_crankshaft) return;
-  i::FLAG_weak_embedded_objects_in_optimized_code = true;
   i::FLAG_allow_natives_syntax = true;
   CcTest::InitializeVM();
   Isolate* isolate = CcTest::i_isolate();
@@ -4387,7 +4386,6 @@ TEST(CellsInOptimizedCodeAreWeak) {
 
 TEST(ObjectsInOptimizedCodeAreWeak) {
   if (i::FLAG_always_opt || !i::FLAG_crankshaft) return;
-  i::FLAG_weak_embedded_objects_in_optimized_code = true;
   i::FLAG_allow_natives_syntax = true;
   CcTest::InitializeVM();
   Isolate* isolate = CcTest::i_isolate();
@@ -4429,7 +4427,6 @@ TEST(ObjectsInOptimizedCodeAreWeak) {
 
 TEST(NewSpaceObjectsInOptimizedCode) {
   if (i::FLAG_always_opt || !i::FLAG_crankshaft || i::FLAG_turbo) return;
-  i::FLAG_weak_embedded_objects_in_optimized_code = true;
   i::FLAG_allow_natives_syntax = true;
   CcTest::InitializeVM();
   Isolate* isolate = CcTest::i_isolate();
@@ -4492,7 +4489,6 @@ TEST(NewSpaceObjectsInOptimizedCode) {
 TEST(NoWeakHashTableLeakWithIncrementalMarking) {
   if (i::FLAG_always_opt || !i::FLAG_crankshaft) return;
   if (!i::FLAG_incremental_marking) return;
-  i::FLAG_weak_embedded_objects_in_optimized_code = true;
   i::FLAG_allow_natives_syntax = true;
   i::FLAG_compilation_cache = false;
   i::FLAG_retain_maps_for_n_gc = 0;