[iwyu] Include handles.h less.

src/objects/scope-info.h

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_OBJECTS_SCOPE_INFO_H_
 #define V8_OBJECTS_SCOPE_INFO_H_
 
 #include "src/globals.h"
-#include "src/handles.h"
 #include "src/objects.h"
 #include "src/utils.h"
 
 // Has to be the last include (doesn't have include guards):
 #include "src/objects/object-macros.h"
 
 namespace v8 {
 namespace internal {
 
+template <typename T>
+class Handle;
 class Isolate;
+template <typename T>
+class MaybeHandle;
 class Scope;
 class Zone;
 
 // ScopeInfo represents information about different scopes of a source
 // program  and the allocation of the scope's variables. Scope information
 // is stored in a compressed form in ScopeInfo objects and is used
 // at runtime (stack dumps, deoptimization, etc.).
 
 // This object provides quick access to scope info details for runtime
 // routines.
@@ skipping 306 matching lines @@
 
   friend class ScopeIterator;
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #include "src/objects/object-macros-undef.h"
 
 #endif  // V8_OBJECTS_SCOPE_INFO_H_