Removed use of IsRunningOnIOS8OrLater

ios/net/cookies/cookie_creation_time_manager_unittest.mm

Index: ios/net/cookies/cookie_creation_time_manager_unittest.mm
diff --git a/ios/net/cookies/cookie_creation_time_manager_unittest.mm b/ios/net/cookies/cookie_creation_time_manager_unittest.mm
index 54e51616e1e9e54bc4fcaa7622aa11cd246f4f25..5a3f082d891f117ae953ea5deb772ea6032a935f 100644
--- a/ios/net/cookies/cookie_creation_time_manager_unittest.mm
+++ b/ios/net/cookies/cookie_creation_time_manager_unittest.mm
@@ -47,16 +47,10 @@ TEST_F(CookieCreationTimeManagerTest, GetFromSystemCookie) {
   base::Time now = base::Time::Now();
   ASSERT_FALSE(time.is_null());
   int64_t delta = (now - time).InMilliseconds();
-  // On iOS 8, the range is (0, 1000) ms, but on earlier iOS versions the range
-  // is (-500, 500) ms. The intervals tested are actually 1200 ms to allow some
-  // imprecision.
-  if (base::ios::IsRunningOnIOS8OrLater()) {
-    EXPECT_GT(delta, -100);
-    EXPECT_LT(delta, 1100);
-  } else {
-    EXPECT_GT(delta, -600);
-    EXPECT_LT(delta, 600);
-  }
+  // On iOS 8, the range is (0, 1000) ms. The intervals tested are actually
+  // 1200 ms to allow some imprecision.
+  EXPECT_GT(delta, -100);
+  EXPECT_LT(delta, 1100);
 }
 
 TEST_F(CookieCreationTimeManagerTest, MakeUniqueCreationTime) {