Create ast/ and parsing/ subdirectories and move appropriate files

test/cctest/test-ast-expression-visitor.cc

 // 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.
 
 // TODO(jochen): Remove this after the setting is turned on globally.
 #define V8_IMMINENT_DEPRECATION_WARNINGS
 
 #include <stdlib.h>
 
 #include "src/v8.h"
 
-#include "src/ast.h"
-#include "src/ast-expression-visitor.h"
-#include "src/parser.h"
-#include "src/rewriter.h"
-#include "src/scopes.h"
+#include "src/ast/ast.h"
+#include "src/ast/ast-expression-visitor.h"
+#include "src/ast/scopes.h"
+#include "src/parsing/parser.h"
+#include "src/parsing/rewriter.h"
 #include "test/cctest/cctest.h"
 #include "test/cctest/expression-type-collector.h"
 #include "test/cctest/expression-type-collector-macros.h"
 
 using namespace v8::internal;
 
 namespace {
 
 static void CollectTypes(HandleAndZoneScope* handles, const char* source,
                          ZoneVector<ExpressionTypeEntry>* dst) {
@@ skipping 386 matching lines @@
     CHECK_EXPR(FunctionLiteral, Bounds::Unbounded()) {
       CHECK_EXPR(BinaryOperation, Bounds::Unbounded()) {
         // Skip x + x
         CHECK_SKIP();
         CHECK_EXPR(Literal, Bounds::Unbounded());
       }
     }
   }
   CHECK_TYPES_END
 }