Add snapshot compression support into d8.

src/d8.h

 // Copyright 2009 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
@@ skipping 14 matching lines @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #ifndef V8_D8_H_
 #define V8_D8_H_
 
 #include "allocation.h"
 #include "v8.h"
 #include "hashmap.h"
 
-#ifdef COMPRESS_STARTUP_DATA_BZ2
-#error Using compressed startup data is not supported for D8
-#endif
-
 namespace v8 {
 
 
 namespace i = v8::internal;
 
 
 // A single counter in a counter collection.
 class Counter {
  public:
   static const int kMaxNameSize = 64;
@@ skipping 192 matching lines @@
   const char* name_;
   LineEditor* next_;
   static LineEditor* first_;
 };
 
 
 }  // namespace v8
 
 
 #endif  // V8_D8_H_