[wasm] prototype for breakpoint support.

src/objects-inl.h

Index: src/objects-inl.h
diff --git a/src/objects-inl.h b/src/objects-inl.h
index be2bb52d80b76ae86c6fbbe0b725249ad2847974..375b963c194036eb4314eb848e769f32a337a5cc 100644
--- a/src/objects-inl.h
+++ b/src/objects-inl.h
@@ -5640,8 +5640,19 @@ void Script::set_origin_options(ScriptOriginOptions origin_options) {
             (origin_options.Flags() << kOriginOptionsShift));
 }
 
+SharedFunctionInfo* DebugInfo::shared() const {
+  DCHECK(has_shared());
+  return SharedFunctionInfo::cast(READ_FIELD(this, kSharedFunctionInfoIndex));
+}
+void DebugInfo::set_shared(SharedFunctionInfo* shared, WriteBarrierMode mode) {
+  WRITE_FIELD(this, kSharedFunctionInfoIndex, shared);
+  CONDITIONAL_WRITE_BARRIER(GetHeap(), this, kSharedFunctionInfoIndex, shared,
+                            mode);
+}
+bool DebugInfo::has_shared() const {
+  return !READ_FIELD(this, kSharedFunctionInfoIndex)->IsUndefined(GetIsolate());
+}
 
-ACCESSORS(DebugInfo, shared, SharedFunctionInfo, kSharedFunctionInfoIndex)
 ACCESSORS(DebugInfo, abstract_code, AbstractCode, kAbstractCodeIndex)
 ACCESSORS(DebugInfo, break_points, FixedArray, kBreakPointsStateIndex)