bulk replace Isolate::Current in tests

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 44b7b9f86fa36d895aba17d5aa45363e6194e778..ea1f36f24c522b527446aec213960a581875c634 100644
--- a/test/cctest/test-random.cc
+++ b/test/cctest/test-random.cc
@@ -69,7 +69,7 @@ void TestSeeds(Handle<JSFunction> fun,
 TEST(CrankshaftRandom) {
   v8::V8::Initialize();
   // Skip test if crankshaft is disabled.
-  if (!Isolate::Current()->use_crankshaft()) return;
+  if (!CcTest::i_isolate()->use_crankshaft()) return;
   v8::Isolate* v8_isolate = CcTest::isolate();
   v8::HandleScope scope(v8_isolate);
   v8::Context::Scope context_scope(v8::Context::New(v8_isolate));
@@ -82,7 +82,7 @@ TEST(CrankshaftRandom) {
 
   CompileRun("function f() { return Math.random(); }");
 
-  Object* string = Isolate::Current()->factory()->InternalizeOneByteString(
+  Object* string = CcTest::i_isolate()->factory()->InternalizeOneByteString(
       STATIC_ASCII_VECTOR("f"))->ToObjectChecked();
   MaybeObject* fun_object =
       context->global_object()->GetProperty(String::cast(string));