Create ast/ and parsing/ subdirectories and move appropriate files

test/cctest/test-typing-reset.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(mythria): Remove this define after this flag 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 "src/typing-reset.h"
 #include "test/cctest/cctest.h"
 #include "test/cctest/compiler/function-tester.h"
 #include "test/cctest/expression-type-collector.h"
 #include "test/cctest/expression-type-collector-macros.h"
 
 #define INT32_TYPE Bounds(Type::Signed32(), Type::Signed32())
 
 using namespace v8::internal;
 
@@ skipping 265 matching lines @@
   TypeSetter(isolate, root).Run();
 
   ExpressionTypeCollector(isolate, root, &types).Run();
   CheckAllSame(types, INT32_TYPE);
 
   TypingReseter(isolate, root).Run();
 
   ExpressionTypeCollector(isolate, root, &types).Run();
   CheckAllSame(types, Bounds::Unbounded());
 }