[Parser] Remove Variable::is_possibly_eval.

src/ast/variables.h

Index: src/ast/variables.h
diff --git a/src/ast/variables.h b/src/ast/variables.h
index 57448245290d5bc9474b52a581af87c97f445192..261965f2c3d8be09188d06609d830c4c7e322785 100644
--- a/src/ast/variables.h
+++ b/src/ast/variables.h
@@ -82,17 +82,6 @@ class Variable: public ZoneObject {
   bool is_this() const { return kind_ == THIS; }
   bool is_arguments() const { return kind_ == ARGUMENTS; }
 
-  // True if the variable is named eval and not known to be shadowed.
-  bool is_possibly_eval(Isolate* isolate,
-                        HandleDereferenceMode deref_mode =
-                            HandleDereferenceMode::kAllowed) const {
-    // Note: it is safe to dereference isolate->factory()->eval_string() here
-    // regardless of |deref_mode| because it is a constant root and so will
-    // never be updated or moved.
-    return !is_this() &&
-           name_is_identical_to(isolate->factory()->eval_string(), deref_mode);
-  }
-
   Variable* local_if_not_shadowed() const {
     DCHECK(mode_ == DYNAMIC_LOCAL && local_if_not_shadowed_ != NULL);
     return local_if_not_shadowed_;
@@ -116,20 +105,6 @@ class Variable: public ZoneObject {
   static int CompareIndex(Variable* const* v, Variable* const* w);
 
  private:
-  bool name_is_identical_to(Handle<Object> object,
-                            HandleDereferenceMode deref_mode) const {
-    if (deref_mode == HandleDereferenceMode::kAllowed) {
-      return *name() == *object;
-    } else {
-      // If handle dereference isn't allowed use the handle address for
-      // identity. This depends on the variable name being internalized in a
-      // CanonicalHandleScope, so that all handles created during the
-      // internalization with identical values have identical locations, and any
-      // handles created which point to roots have the root handle's location.
-      return name().address() == object.address();
-    }
-  }
-
   Scope* scope_;
   const AstRawString* name_;
   VariableMode mode_;