Made Isolate a mandatory parameter for everything Handle-related.

src/code-stubs-hydrogen.cc

Index: src/code-stubs-hydrogen.cc
diff --git a/src/code-stubs-hydrogen.cc b/src/code-stubs-hydrogen.cc
index 2024d08f5c08574a2156229a9cd2d5b86b0bcbac..9d266a545b12c6a83dbf3114809e3cb60f5d656f 100644
--- a/src/code-stubs-hydrogen.cc
+++ b/src/code-stubs-hydrogen.cc
@@ -36,9 +36,10 @@ namespace internal {
 
 
 static LChunk* OptimizeGraph(HGraph* graph) {
+  Isolate* isolate =  graph->isolate();
   AssertNoAllocation no_gc;
-  NoHandleAllocation no_handles;
-  NoHandleDereference no_deref;
+  NoHandleAllocation no_handles(isolate);
+  NoHandleDereference no_deref(isolate);
 
   ASSERT(graph != NULL);
   SmartArrayPointer<char> bailout_reason;