[v8] Move all the RelocInfo::set_target_address function into one place.

src/arm64/assembler-arm64-inl.h

Index: src/arm64/assembler-arm64-inl.h
diff --git a/src/arm64/assembler-arm64-inl.h b/src/arm64/assembler-arm64-inl.h
index 69f499eb01f4912f897bf9e02753d2fc2bf39027..a639e3e7ac6de6524f35e8adcdc2c342a1d9760e 100644
--- a/src/arm64/assembler-arm64-inl.h
+++ b/src/arm64/assembler-arm64-inl.h
@@ -27,21 +27,6 @@ void RelocInfo::apply(intptr_t delta) {
   *p += delta;  // Relocate entry.
 }
 
-
-void RelocInfo::set_target_address(Address target,
-                                   WriteBarrierMode write_barrier_mode,
-                                   ICacheFlushMode icache_flush_mode) {
-  DCHECK(IsCodeTarget(rmode_) || IsRuntimeEntry(rmode_));
-  Assembler::set_target_address_at(isolate_, pc_, host_, target,
-                                   icache_flush_mode);
-  if (write_barrier_mode == UPDATE_WRITE_BARRIER && host() != NULL &&
-      IsCodeTarget(rmode_)) {
-    Object* target_code = Code::GetCodeFromTargetAddress(target);
-    host()->GetHeap()->incremental_marking()->RecordWriteIntoCode(
-        host(), this, HeapObject::cast(target_code));
-  }
-}
-
 inline int CPURegister::code() const {
   DCHECK(IsValid());
   return reg_code;