Update from https://crrev.com/333737

tools/clang/blink_gc_plugin/RecordInfo.cpp

Index: tools/clang/blink_gc_plugin/RecordInfo.cpp
diff --git a/tools/clang/blink_gc_plugin/RecordInfo.cpp b/tools/clang/blink_gc_plugin/RecordInfo.cpp
index bda33fa992fb5cd92a907fcbb8d9b1c18c94a61b..3749594333c114bfa4a1895840a0712b10a9d813 100644
--- a/tools/clang/blink_gc_plugin/RecordInfo.cpp
+++ b/tools/clang/blink_gc_plugin/RecordInfo.cpp
@@ -21,6 +21,7 @@ RecordInfo::RecordInfo(CXXRecordDecl* record, RecordCache* cache)
       does_need_finalization_(kNotComputed),
       has_gc_mixin_methods_(kNotComputed),
       is_declaring_local_trace_(kNotComputed),
+      is_eagerly_finalized_(kNotComputed),
       determined_trace_methods_(false),
       trace_method_(0),
       trace_dispatch_method_(0),
@@ -168,6 +169,27 @@ bool RecordInfo::IsGCAllocated() {
   return IsGCDerived() || IsHeapAllocatedCollection();
 }
 
+bool RecordInfo::IsEagerlyFinalized() {
+  if (is_eagerly_finalized_ == kNotComputed) {
+    is_eagerly_finalized_ = kFalse;
+    if (IsGCFinalized()) {
+      for (Decl* decl : record_->decls()) {
+        if (TypedefDecl* typedef_decl = dyn_cast<TypedefDecl>(decl)) {
+          if (typedef_decl->getNameAsString() == kIsEagerlyFinalizedName) {
+            is_eagerly_finalized_ = kTrue;
+            break;
+          }
+        }
+      }
+    }
+  }
+  return is_eagerly_finalized_;
+}
+
+bool RecordInfo::HasDefinition() {
+  return record_->hasDefinition();
+}
+
 RecordInfo* RecordCache::Lookup(CXXRecordDecl* record) {
   // Ignore classes annotated with the GC_PLUGIN_IGNORE macro.
   if (!record || Config::IsIgnoreAnnotated(record))