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

test/cctest/test-random.cc

Index: test/cctest/test-random.cc
diff --git a/test/cctest/test-random.cc b/test/cctest/test-random.cc
index 32b626e8564975d16d593201ab5f94e836e99e5f..9394fc95135c92e6107daf6f7f9e5da8ddf8f3c2 100644
--- a/test/cctest/test-random.cc
+++ b/test/cctest/test-random.cc
@@ -73,7 +73,7 @@ TEST(CrankshaftRandom) {
   if (env.IsEmpty()) env = v8::Context::New();
   // Skip test if crankshaft is disabled.
   if (!V8::UseCrankshaft()) return;
-  v8::HandleScope scope;
+  v8::HandleScope scope(env->GetIsolate());
   env->Enter();
 
   Handle<Context> context(Isolate::Current()->context());