Create ast/ and parsing/ subdirectories and move appropriate files

src/crankshaft/ia32/lithium-codegen-ia32.h

 // Copyright 2012 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_CRANKSHAFT_IA32_LITHIUM_CODEGEN_IA32_H_
 #define V8_CRANKSHAFT_IA32_LITHIUM_CODEGEN_IA32_H_
 
+#include "src/ast/scopes.h"
 #include "src/base/logging.h"
 #include "src/crankshaft/ia32/lithium-gap-resolver-ia32.h"
 #include "src/crankshaft/ia32/lithium-ia32.h"
 #include "src/crankshaft/lithium-codegen.h"
 #include "src/deoptimizer.h"
 #include "src/safepoint-table.h"
-#include "src/scopes.h"
 #include "src/utils.h"
 
 namespace v8 {
 namespace internal {
 
 // Forward declarations.
 class LDeferredCode;
 class LGapNode;
 class SafepointGenerator;
 
@@ skipping 369 matching lines @@
   Label exit_;
   Label* external_exit_;
   Label done_;
   int instruction_index_;
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_CRANKSHAFT_IA32_LITHIUM_CODEGEN_IA32_H_