build fix for 16877

src/api.cc

 // 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 709 matching lines @@
   i::Handle<i::Context> env = Utils::OpenHandle(this);
   i::Isolate* isolate = env->GetIsolate();
   ENTER_V8(isolate);
   isolate->handle_scope_implementer()->EnterContext(env);
   isolate->handle_scope_implementer()->SaveContext(isolate->context());
   isolate->set_context(*env);
 }
 
 
 void Context::Exit() {
-  i::Handle<i::Context> context = Utils::OpenHandle(this);
-  i::Isolate* isolate = context->GetIsolate();
+  // TODO(dcarney): fix this once chrome is fixed.
+  i::Isolate* isolate = i::Isolate::Current();
+  i::Handle<i::Context> context = i::Handle<i::Context>::null();
   ENTER_V8(isolate);
   if (!ApiCheck(isolate->handle_scope_implementer()->LeaveContext(context),
                 "v8::Context::Exit()",
                 "Cannot exit non-entered context")) {
     return;
   }
   // Content of 'last_context' could be NULL.
   i::Context* last_context =
       isolate->handle_scope_implementer()->RestoreContext();
   isolate->set_context(last_context);
@@ skipping 6786 matching lines @@
   Isolate* isolate = reinterpret_cast<Isolate*>(info.GetIsolate());
   Address callback_address =
       reinterpret_cast<Address>(reinterpret_cast<intptr_t>(callback));
   VMState<EXTERNAL> state(isolate);
   ExternalCallbackScope call_scope(isolate, callback_address);
   callback(info);
 }
 
 
 } }  // namespace v8::internal