Reland "Soft fail for invalid cache data."

include/v8.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.
 
 /** \mainpage V8 API Reference Guide
  *
  * V8 is Google's open source JavaScript engine.
  *
  * This set of documents provides reference material generated from the
  * V8 header file, include/v8.h.
@@ skipping 1027 matching lines @@
    * the compilation functions in ScriptCompiler contains produce_data_to_cache
    * = true. The data to cache can then can be retrieved from
    * UnboundScript.
    */
   struct V8_EXPORT CachedData {
     enum BufferPolicy {
       BufferNotOwned,
       BufferOwned
     };
 
-    CachedData() : data(NULL), length(0), buffer_policy(BufferNotOwned) {}
+    CachedData()
+        : data(NULL),
+          length(0),
+          rejected(false),
+          buffer_policy(BufferNotOwned) {}
 
     // If buffer_policy is BufferNotOwned, the caller keeps the ownership of
     // data and guarantees that it stays alive until the CachedData object is
     // destroyed. If the policy is BufferOwned, the given data will be deleted
     // (with delete[]) when the CachedData object is destroyed.
     CachedData(const uint8_t* data, int length,
                BufferPolicy buffer_policy = BufferNotOwned);
     ~CachedData();
     // TODO(marja): Async compilation; add constructors which take a callback
     // which will be called when V8 no longer needs the data.
     const uint8_t* data;
     int length;
+    bool rejected;
     BufferPolicy buffer_policy;
 
    private:
     // Prevent copying. Not implemented.
     CachedData(const CachedData&);
     CachedData& operator=(const CachedData&);
   };
 
   /**
    * Source code which can be then compiled to a UnboundScript or Script.
@@ skipping 6356 matching lines @@
  */
 
 
 }  // namespace v8
 
 
 #undef TYPE_CHECK
 
 
 #endif  // V8_H_