[Isolates] Pass isolate to VMState constructor.

src/builtins.cc

Index: src/builtins.cc
diff --git a/src/builtins.cc b/src/builtins.cc
index 80e83b1b3cc48e418e30a3fe9113f3e50a351798..16e9013e6014b038839b99b575e2f271648f6d5b 100644
--- a/src/builtins.cc
+++ b/src/builtins.cc
@@ -1051,7 +1051,7 @@ MUST_USE_RESULT static MaybeObject* HandleApiCallHelper(
     v8::Handle<v8::Value> value;
     {
       // Leaving JavaScript.
-      VMState state(EXTERNAL);
+      VMState state(isolate, EXTERNAL);
 #ifdef ENABLE_LOGGING_AND_PROFILING
       state.set_external_callback(v8::ToCData<Address>(callback_obj));
 #endif
@@ -1131,7 +1131,7 @@ BUILTIN(FastHandleApiCall) {
   v8::Handle<v8::Value> value;
   {
     // Leaving JavaScript.
-    VMState state(EXTERNAL);
+    VMState state(isolate, EXTERNAL);
 #ifdef ENABLE_LOGGING_AND_PROFILING
     state.set_external_callback(v8::ToCData<Address>(callback_obj));
 #endif
@@ -1199,7 +1199,7 @@ MUST_USE_RESULT static MaybeObject* HandleApiCallAsFunctionOrConstructor(
     v8::Handle<v8::Value> value;
     {
       // Leaving JavaScript.
-      VMState state(EXTERNAL);
+      VMState state(isolate, EXTERNAL);
 #ifdef ENABLE_LOGGING_AND_PROFILING
       state.set_external_callback(v8::ToCData<Address>(callback_obj));
 #endif