[Isolates] Add missing v8.h includes.

src/scanner-base.h

 // Copyright 2010 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 228 matching lines @@
       backing_store_.Dispose();
       backing_store_ = new_store;
     }
     position_ = new_content_size;
     is_ascii_ = false;
   }
 
   bool is_ascii_;
   int position_;
   Vector<byte> backing_store_;
+
+  DISALLOW_COPY_AND_ASSIGN(LiteralBuffer);
 };
 
 
 // ----------------------------------------------------------------------------
 // Scanner base-class.
 
 // Generic functionality used by both JSON and JavaScript scanners.
 class Scanner {
  public:
   // -1 is outside of the range of any real source code.
@@ skipping 395 matching lines @@
   // keyword with the current prefix).
   const char* keyword_;
   int counter_;
   Token::Value keyword_token_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_SCANNER_BASE_H_