Removing iOS9 code remnants (17)

Cq-Include-Trybots: master.tryserver.chromium.mac:ios-simulator-cronet;master.tryserver.chromium.mac:ios-simulator-full-configs
Change-Id: I03347d01754a2fb7e28ffd73696f7dd03fdbba8b
Reviewed-on: https://chromium-review.googlesource.com/987952Reviewed-by: Menglu Huang <huangml@chromium.org>
Commit-Queue: Eric Noyau <noyau@chromium.org>
Cr-Commit-Position: refs/heads/master@{#547661}

ios/testing/earl_grey/disabled_test_macros.h

@@ -13,8 +13,8 @@
 // at runtime. Disabling at compile-time is always preferred.
 // Example:
 // - (void)testFoo
-// if (base::ios::IsRunningOnIOS10OrLater()) {
-//   EARL_GREY_TEST_DISABLED(@"Disabled on iOS 10.");
+// if (IsIPadIdiom()) {
+//   EARL_GREY_TEST_DISABLED(@"Disabled on iPad.");
 // }
 #define EARL_GREY_TEST_DISABLED(message)                                \
   while (true) {                                                        \
@@ -29,8 +29,8 @@
 // Disabling at compile-time is always preferred.
 // Example:
 // - (void)testFoo
-// if (base::ios::IsRunningOnIOS10OrLater()) {
-//   EARL_GREY_TEST_SKIPPED(@"Test not supported on iOS 10.");
+// if (IsIPadIdiom()) {
+//   EARL_GREY_TEST_SKIPPED(@"Test not supported on iPad.");
 // }
 #define EARL_GREY_TEST_SKIPPED(message)                                \
   while (true) {                                                       \