Move %IsOptimized runtime helper into test case.

test/cctest/compiler/test-run-deopt.cc

Index: test/cctest/compiler/test-run-deopt.cc
diff --git a/test/cctest/compiler/test-run-deopt.cc b/test/cctest/compiler/test-run-deopt.cc
index af173d6be6e5b917393ab4205b227902fb1f0798..069aa0369c9965a1de66cfc4a2dea8af115c875b 100644
--- a/test/cctest/compiler/test-run-deopt.cc
+++ b/test/cctest/compiler/test-run-deopt.cc
@@ -4,11 +4,26 @@
 
 #include "src/v8.h"
 
+#include "test/cctest/cctest.h"
 #include "test/cctest/compiler/function-tester.h"
 
+using namespace v8;
 using namespace v8::internal;
 using namespace v8::internal::compiler;
 
+static void IsOptimized(const FunctionCallbackInfo<v8::Value>& args) {
+  JavaScriptFrameIterator it(CcTest::i_isolate());
+  JavaScriptFrame* frame = it.frame();
+  return args.GetReturnValue().Set(frame->is_optimized());
+}
+
+
+static void InstallIsOptimizedHelper(v8::Isolate* isolate) {
+  Local<v8::Context> context = isolate->GetCurrentContext();
+  Local<v8::FunctionTemplate> t = FunctionTemplate::New(isolate, IsOptimized);
+  context->Global()->Set(v8_str("IsOptimized"), t->GetFunction());
+}
+
 #if V8_TURBOFAN_TARGET
 
 TEST(TurboSimpleDeopt) {
@@ -18,11 +33,12 @@ TEST(TurboSimpleDeopt) {
   FunctionTester T(
       "(function f(a) {"
       "var b = 1;"
-      "if (!%IsOptimized()) return 0;"
+      "if (!IsOptimized()) return 0;"
       "%DeoptimizeFunction(f);"
-      "if (%IsOptimized()) return 0;"
+      "if (IsOptimized()) return 0;"
       "return a + b; })");
 
+  InstallIsOptimizedHelper(CcTest::isolate());
   T.CheckCall(T.Val(2), T.Val(1));
 }
 
@@ -35,11 +51,12 @@ TEST(TurboSimpleDeoptInExpr) {
       "(function f(a) {"
       "var b = 1;"
       "var c = 2;"
-      "if (!%IsOptimized()) return 0;"
+      "if (!IsOptimized()) return 0;"
       "var d = b + (%DeoptimizeFunction(f), c);"
-      "if (%IsOptimized()) return 0;"
+      "if (IsOptimized()) return 0;"
       "return d + a; })");
 
+  InstallIsOptimizedHelper(CcTest::isolate());
   T.CheckCall(T.Val(6), T.Val(3));
 }