Revert change 19074 until the windows build is fixed.

runtime/vm/snapshot.h

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef VM_SNAPSHOT_H_
 #define VM_SNAPSHOT_H_
 
 #include "platform/assert.h"
 #include "vm/allocation.h"
 #include "vm/bitfield.h"
@@ skipping 38 matching lines @@
 class RawLibrary;
 class RawLibraryPrefix;
 class RawNamespace;
 class RawLiteralToken;
 class RawMint;
 class RawObject;
 class RawOneByteString;
 class RawPatchClass;
 class RawScript;
 class RawSmi;
-class RawStacktrace;
 class RawTokenStream;
 class RawType;
 class RawTypeParameter;
 class RawTypeArguments;
 class RawTwoByteString;
 class RawUnresolvedClass;
 class String;
 class TokenStream;
 class UnhandledException;
 
@@ skipping 194 matching lines @@
   RawLibraryPrefix* NewLibraryPrefix();
   RawNamespace* NewNamespace();
   RawScript* NewScript();
   RawLiteralToken* NewLiteralToken();
   RawGrowableObjectArray* NewGrowableObjectArray();
   RawFloat32x4* NewFloat32x4(float v0, float v1, float v2, float v3);
   RawUint32x4* NewUint32x4(uint32_t v0, uint32_t v1, uint32_t v2, uint32_t v3);
   RawApiError* NewApiError();
   RawLanguageError* NewLanguageError();
   RawObject* NewInteger(int64_t value);
-  RawStacktrace* NewStacktrace();
 
  private:
   class BackRefNode : public ZoneAllocated {
    public:
     BackRefNode(Object* reference, DeserializeState state)
         : reference_(reference), state_(state) {}
     Object* reference() const { return reference_; }
     bool is_deserialized() const { return state_ == kIsDeserialized; }
     void set_state(DeserializeState state) { state_ = state; }
 
@@ skipping 54 matching lines @@
   friend class ImmutableArray;
   friend class InstantiatedTypeArguments;
   friend class JSRegExp;
   friend class LanguageError;
   friend class Library;
   friend class LibraryPrefix;
   friend class Namespace;
   friend class LiteralToken;
   friend class PatchClass;
   friend class Script;
-  friend class Stacktrace;
   friend class TokenStream;
   friend class Type;
   friend class TypeArguments;
   friend class TypeParameter;
   friend class UnresolvedClass;
   friend class WeakProperty;
   DISALLOW_COPY_AND_ASSIGN(SnapshotReader);
 };
 
 
@@ skipping 238 matching lines @@
  private:
   SnapshotWriter* writer_;
   bool as_references_;
 
   DISALLOW_COPY_AND_ASSIGN(SnapshotWriterVisitor);
 };
 
 }  // namespace dart
 
 #endif  // VM_SNAPSHOT_H_