d8: create compile cache in a separate isolate.

src/d8.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_D8_H_
 #define V8_D8_H_
 
 #ifndef V8_SHARED
 #include "src/allocation.h"
 #include "src/hashmap.h"
@@ skipping 233 matching lines @@
 #ifdef V8_SHARED
 class Shell {
 #else
 class Shell : public i::AllStatic {
 #endif  // V8_SHARED
 
  public:
   static Local<UnboundScript> CompileString(
       Isolate* isolate, Local<String> source, Local<Value> name,
       v8::ScriptCompiler::CompileOptions compile_options);
+  static ScriptCompiler::CachedData* CompileCachedData(
+      Local<String> source, Local<Value> name,
+      ScriptCompiler::CompileOptions compile_options);
   static bool ExecuteString(Isolate* isolate,
                             Handle<String> source,
                             Handle<Value> name,
                             bool print_result,
                             bool report_exceptions);
   static const char* ToCString(const v8::String::Utf8Value& value);
   static void ReportException(Isolate* isolate, TryCatch* try_catch);
   static Handle<String> ReadFile(Isolate* isolate, const char* name);
   static Local<Context> CreateEvaluationContext(Isolate* isolate);
   static int RunMain(Isolate* isolate, int argc, char* argv[]);
@@ skipping 141 matching lines @@
   static void ExternalArrayWeakCallback(Isolate* isolate,
                                         Persistent<Object>* object,
                                         uint8_t* data);
 };
 
 
 }  // namespace v8
 
 
 #endif  // V8_D8_H_