MIPS[64]: Fix build failure.

On MIPS and MIPS64 build began to fail after this commit:
01079cb8.

Change-Id: Ib967fc0d17ce1d10fdfa97d541ce9e761508593f
Reviewed-on: https://chromium-review.googlesource.com/c/1337741Reviewed-by: Ivica Bogosavljevic <ibogosavljevic@wavecomp.com>
Commit-Queue: Ivica Bogosavljevic <ibogosavljevic@wavecomp.com>
Cr-Commit-Position: refs/heads/master@{#57554}

src/mips/simulator-mips.cc

@@ -535,8 +535,7 @@ void MipsDebugger::Debug() {
           HeapObject* obj = reinterpret_cast<HeapObject*>(*cur);
           int value = *cur;
           Heap* current_heap = sim_->isolate_->heap();
-          if (((value & 1) == 0) ||
-              current_heap->ContainsSlow(obj->address())) {
+          if (((value & 1) == 0) || current_heap->Contains(obj)) {
             PrintF(" (");
             if ((value & 1) == 0) {
               PrintF("smi %d", value / 2);

src/mips64/simulator-mips64.cc

@@ -467,8 +467,7 @@ void MipsDebugger::Debug() {
           HeapObject* obj = reinterpret_cast<HeapObject*>(*cur);
           int64_t value = *cur;
           Heap* current_heap = sim_->isolate_->heap();
-          if (((value & 1) == 0) ||
-              current_heap->ContainsSlow(obj->address())) {
+          if (((value & 1) == 0) || current_heap->Contains(obj)) {
             PrintF(" (");
             if ((value & 1) == 0) {
               PrintF("smi %d", static_cast<int>(value >> 32));