Include only stuff you need, part 7: Fix scopes.h -> ast.h.

test/unittests/compiler-dispatcher/compiler-dispatcher-job-unittest.cc

 // Copyright 2016 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.
 
 #include <memory>
 
 #include "include/v8.h"
 #include "src/api.h"
+#include "src/ast/ast.h"
 #include "src/ast/scopes.h"
 #include "src/compiler-dispatcher/compiler-dispatcher-job.h"
 #include "src/flags.h"
 #include "src/isolate-inl.h"
 #include "src/parsing/parse-info.h"
 #include "test/unittests/test-utils.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace v8 {
 namespace internal {
@@ skipping 213 matching lines @@
   ASSERT_TRUE(job->status() == CompileJobStatus::kFailed);
   ASSERT_TRUE(i_isolate()->has_pending_exception());
 
   i_isolate()->clear_pending_exception();
   job->ResetOnMainThread();
   ASSERT_TRUE(job->status() == CompileJobStatus::kInitial);
 }
 
 }  // namespace internal
 }  // namespace v8