Add a host parameter to ObjectVisitor methods.

src/x64/assembler-x64-inl.h

Index: src/x64/assembler-x64-inl.h
diff --git a/src/x64/assembler-x64-inl.h b/src/x64/assembler-x64-inl.h
index 7deaf23635643e406d15b588dcb54fdd32de5f2f..4a2e9a17e834f378b4ae967660f37c515fa2f197 100644
--- a/src/x64/assembler-x64-inl.h
+++ b/src/x64/assembler-x64-inl.h
@@ -521,23 +521,23 @@ template <typename ObjectVisitor>
 void RelocInfo::Visit(Isolate* isolate, ObjectVisitor* visitor) {
   RelocInfo::Mode mode = rmode();
   if (mode == RelocInfo::EMBEDDED_OBJECT) {
-    visitor->VisitEmbeddedPointer(this);
+    visitor->VisitEmbeddedPointer(host(), this);
     Assembler::FlushICache(isolate, pc_, sizeof(Address));
   } else if (RelocInfo::IsCodeTarget(mode)) {
-    visitor->VisitCodeTarget(this);
+    visitor->VisitCodeTarget(host(), this);
   } else if (mode == RelocInfo::CELL) {
-    visitor->VisitCell(this);
+    visitor->VisitCellPointer(host(), this);
   } else if (mode == RelocInfo::EXTERNAL_REFERENCE) {
-    visitor->VisitExternalReference(this);
+    visitor->VisitExternalReference(host(), this);
   } else if (mode == RelocInfo::INTERNAL_REFERENCE) {
-    visitor->VisitInternalReference(this);
+    visitor->VisitInternalReference(host(), this);
   } else if (RelocInfo::IsCodeAgeSequence(mode)) {
-    visitor->VisitCodeAgeSequence(this);
+    visitor->VisitCodeAgeSequence(host(), this);
   } else if (RelocInfo::IsDebugBreakSlot(mode) &&
              IsPatchedDebugBreakSlotSequence()) {
-    visitor->VisitDebugTarget(this);
+    visitor->VisitDebugTarget(host(), this);
   } else if (RelocInfo::IsRuntimeEntry(mode)) {
-    visitor->VisitRuntimeEntry(this);
+    visitor->VisitRuntimeEntry(host(), this);
   }
 }