Remove obsolete V8_INFINITY macro.

test/cctest/test-types.cc

Index: test/cctest/test-types.cc
diff --git a/test/cctest/test-types.cc b/test/cctest/test-types.cc
index ebef527dd0b3a64b019bdcf739e59f9ceef6f73d..4fc32e9219975458dc0f7c66c39bd4ef65538f99 100644
--- a/test/cctest/test-types.cc
+++ b/test/cctest/test-types.cc
@@ -339,10 +339,14 @@ struct Tests : Rep {
     CHECK(!T.Constant(fac->NewNumber(10e60))->Is(T.Integral32));
     CHECK(T.Constant(fac->NewNumber(-1.0*0.0))->Is(T.MinusZero));
     CHECK(T.Constant(fac->NewNumber(v8::base::OS::nan_value()))->Is(T.NaN));
-    CHECK(T.Constant(fac->NewNumber(V8_INFINITY))->Is(T.PlainNumber));
-    CHECK(!T.Constant(fac->NewNumber(V8_INFINITY))->Is(T.Integral32));
-    CHECK(T.Constant(fac->NewNumber(-V8_INFINITY))->Is(T.PlainNumber));
-    CHECK(!T.Constant(fac->NewNumber(-V8_INFINITY))->Is(T.Integral32));
+    CHECK(T.Constant(fac->NewNumber(std::numeric_limits<double>::infinity()))
+              ->Is(T.PlainNumber));
+    CHECK(!T.Constant(fac->NewNumber(std::numeric_limits<double>::infinity()))
+               ->Is(T.Integral32));
+    CHECK(T.Constant(fac->NewNumber(-std::numeric_limits<double>::infinity()))
+              ->Is(T.PlainNumber));
+    CHECK(!T.Constant(fac->NewNumber(-std::numeric_limits<double>::infinity()))
+               ->Is(T.Integral32));
   }
 
   void Range() {