Reduce the number of #includes of compiler.h.

src/serialize.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_SERIALIZE_H_
 #define V8_SERIALIZE_H_
 
-#include "src/compiler.h"
 #include "src/hashmap.h"
 #include "src/heap-profiler.h"
 #include "src/isolate.h"
 #include "src/snapshot-source-sink.h"
 
 namespace v8 {
 namespace internal {
 
+class ScriptData;
+
 // A TypeCode is used to distinguish different kinds of external reference.
 // It is a single bit to make testing for types easy.
 enum TypeCode {
   UNCLASSIFIED,  // One-of-a-kind references.
   C_BUILTIN,
   BUILTIN,
   RUNTIME_FUNCTION,
   IC_UTILITY,
   STATS_COUNTER,
   TOP_ADDRESS,
@@ skipping 897 matching lines @@
   static const int kPayloadLengthOffset = kNumReservationsOffset + kInt32Size;
   static const int kHeaderSize = kPayloadLengthOffset + kInt32Size;
 };
 
 
 // Wrapper around ScriptData to provide code-serializer-specific functionality.
 class SerializedCodeData : public SerializedData {
  public:
   // Used when consuming.
   static SerializedCodeData* FromCachedData(ScriptData* cached_data,
-                                            String* source) {
-    DisallowHeapAllocation no_gc;
-    SerializedCodeData* scd = new SerializedCodeData(cached_data);
-    if (scd->IsSane(source)) return scd;
-    cached_data->Reject();
-    delete scd;
-    return NULL;
-  }
+                                            String* source);
 
   // Used when producing.
   SerializedCodeData(const List<byte>& payload, const CodeSerializer& cs);
 
   // Return ScriptData object and relinquish ownership over it to the caller.
   ScriptData* GetScriptData();
 
   Vector<const Reservation> Reservations() const;
   Vector<const byte> Payload() const;
 
   int NumInternalizedStrings() const;
   Vector<const uint32_t> CodeStubKeys() const;
 
  private:
-  explicit SerializedCodeData(ScriptData* data)
-      : SerializedData(const_cast<byte*>(data->data()), data->length()) {}
+  explicit SerializedCodeData(ScriptData* data);
 
   bool IsSane(String* source) const;
 
   uint32_t SourceHash(String* source) const { return source->length(); }
 
   // The data header consists of uint32_t-sized entries:
   // [0] version hash
   // [1] source hash
   // [2] cpu features
   // [3] flag hash
@@ skipping 15 matching lines @@
       kNumInternalizedStringsOffset + kInt32Size;
   static const int kNumCodeStubKeysOffset = kNumReservationsOffset + kInt32Size;
   static const int kPayloadLengthOffset = kNumCodeStubKeysOffset + kInt32Size;
   static const int kChecksum1Offset = kPayloadLengthOffset + kInt32Size;
   static const int kChecksum2Offset = kChecksum1Offset + kInt32Size;
   static const int kHeaderSize = kChecksum2Offset + kInt32Size;
 };
 } }  // namespace v8::internal
 
 #endif  // V8_SERIALIZE_H_