Revert "[compiler] Remove unused CodeDataContainerRef/Data classes"

This reverts commit 5fefa970.

Reason for revert: They are used via CodeT https://ci.chromium.org/ui/p/v8/builders/ci/V8%20Linux64%20-%20external%20code%20space%20-%20debug%20-%20builder/124/overview

Original change's description:
> [compiler] Remove unused CodeDataContainerRef/Data classes
>
> Bug: v8:7790
> Change-Id: I072823ea40b0bd64aaf4a14882603cef29edcf22
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2992722
> Reviewed-by: Jakob Gruber <jgruber@chromium.org>
> Commit-Queue: Santiago Aboy Solanes <solanes@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#75456}

Bug: v8:7790
Change-Id: I2c7f65c8a772de9967ce5b3aa78d1f46c9c99866
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2996188Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Commit-Queue: Santiago Aboy Solanes <solanes@chromium.org>
Cr-Commit-Position: refs/heads/master@{#75462}

src/compiler/heap-refs.cc

@@ -2300,6 +2300,15 @@ class CodeData : public HeapObjectData {
   unsigned const inlined_bytecode_size_;
 };
 
+class CodeDataContainerData : public HeapObjectData {
+ public:
+  CodeDataContainerData(JSHeapBroker* broker, ObjectData** storage,
+                        Handle<CodeDataContainer> object)
+      : HeapObjectData(broker, storage, object) {
+    DCHECK(!broker->is_concurrent_inlining());
+  }
+};
+
 #define DEFINE_IS(Name, ...)                                            \
   bool ObjectData::Is##Name() const {                                   \
     if (should_access_heap()) {                                         \

src/compiler/heap-refs.h

@@ -111,6 +111,7 @@ enum class RefSerializationKind {
   V(CallHandlerInfo, RefSerializationKind::kNeverSerialized)              \
   V(Cell, RefSerializationKind::kNeverSerialized)                         \
   V(Code, RefSerializationKind::kNeverSerialized)                         \
+  V(CodeDataContainer, RefSerializationKind::kNeverSerialized)            \
   V(Context, RefSerializationKind::kNeverSerialized)                      \
   V(DescriptorArray, RefSerializationKind::kNeverSerialized)              \
   V(FeedbackCell, RefSerializationKind::kNeverSerialized)                 \
@@ -1049,6 +1050,15 @@ class CodeRef : public HeapObjectRef {
   unsigned GetInlinedBytecodeSize() const;
 };
 
+// CodeDataContainerRef doesn't appear to be used, but it is used via CodeT when
+// V8_EXTERNAL_CODE_SPACE is defined.
+class CodeDataContainerRef : public HeapObjectRef {
+ public:
+  DEFINE_REF_CONSTRUCTOR(CodeDataContainer, HeapObjectRef)
+
+  Handle<CodeDataContainer> object() const;
+};
+
 class InternalizedStringRef : public StringRef {
  public:
   DEFINE_REF_CONSTRUCTOR(InternalizedString, StringRef)