Partial snapshots now working for new context creation. Passes V8 tests....

test/cctest/test-api.cc

 // Copyright 2007-2009 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 4079 matching lines @@
   value = v8_compile("other.blocked_prop")->Run();
   CHECK(value->IsUndefined());
 
   value = v8_compile("propertyIsEnumerable.call(other, 'blocked_prop')")->Run();
   CHECK(value->IsFalse());
 
   // Access accessible property
   value = v8_compile("other.accessible_prop = 3")->Run();
   CHECK(value->IsNumber());
   CHECK_EQ(3, value->Int32Value());
+  CHECK_EQ(3, g_echo_value);
 
   value = v8_compile("other.accessible_prop")->Run();
   CHECK(value->IsNumber());
   CHECK_EQ(3, value->Int32Value());
 
   value =
     v8_compile("propertyIsEnumerable.call(other, 'accessible_prop')")->Run();
   CHECK(value->IsTrue());
 
   // Enumeration doesn't enumerate accessors from inaccessible objects in
@@ skipping 4712 matching lines @@
     CompileRun(source_exception);
     other_context->Exit();
     v8::internal::Heap::CollectAllGarbage(false);
     if (GetGlobalObjectsCount() == 1) break;
   }
   CHECK_GE(2, gc_count);
   CHECK_EQ(1, GetGlobalObjectsCount());
 
   other_context.Dispose();
 }