Include what you use for allocation, api, assembler, and ast.

src/jsregexp.h

-// Copyright 2011 the V8 project authors. All rights reserved.
+// Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
 //       with the distribution.
@@ skipping 16 matching lines @@
 #ifndef V8_JSREGEXP_H_
 #define V8_JSREGEXP_H_
 
 #include "allocation.h"
 #include "assembler.h"
 #include "zone-inl.h"
 
 namespace v8 {
 namespace internal {
 
-
+class NodeVisitor;
+class RegExpCompiler;
 class RegExpMacroAssembler;
-
+class RegExpNode;
+class RegExpTree;
 
 class RegExpImpl {
  public:
   // Whether V8 is compiled with native regexp support or not.
   static bool UsesNativeRegExp() {
 #ifdef V8_INTERPRETED_REGEXP
     return false;
 #else
     return true;
 #endif
@@ skipping 1440 matching lines @@
   int* vector_;
   int offsets_vector_length_;
 
   friend class ExternalReference;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_JSREGEXP_H_