Added a version of the v8::HandleScope constructor with an Isolate and use that consistently.

src/d8.h

 // Copyright 2012 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 247 matching lines @@
   SourceGroup* isolate_sources;
 };
 
 #ifdef V8_SHARED
 class Shell {
 #else
 class Shell : public i::AllStatic {
 #endif  // V8_SHARED
 
  public:
-  static bool ExecuteString(Handle<String> source,
+  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(TryCatch* try_catch);
+  static void ReportException(Isolate* isolate, TryCatch* try_catch);
   static Handle<String> ReadFile(Isolate* isolate, const char* name);
   static Persistent<Context> CreateEvaluationContext(Isolate* isolate);
   static int RunMain(Isolate* isolate, int argc, char* argv[]);
   static int Main(int argc, char* argv[]);
   static void Exit(int exit_code);
   static void OnExit();
 
 #ifndef V8_SHARED
-  static Handle<Array> GetCompletions(Handle<String> text,
+  static Handle<Array> GetCompletions(Isolate* isolate,
+                                      Handle<String> text,
                                       Handle<String> full);
   static int* LookupCounter(const char* name);
   static void* CreateHistogram(const char* name,
                                int min,
                                int max,
                                size_t buckets);
   static void AddHistogramSample(void* histogram, int sample);
   static void MapCounters(const char* name);
 
 #ifdef ENABLE_DEBUGGER_SUPPORT
@@ skipping 113 matching lines @@
   static void ExternalArrayWeakCallback(Isolate* isolate,
                                         Persistent<Value> object,
                                         void* data);
 };
 
 
 }  // namespace v8
 
 
 #endif  // V8_D8_H_