[ios] Re-enabled testScrollPositionRestoring on device.

ios/web/shell/test/page_state_egtest.mm

Index: ios/web/shell/test/page_state_egtest.mm
diff --git a/ios/web/shell/test/page_state_egtest.mm b/ios/web/shell/test/page_state_egtest.mm
index a6e6139bce255a6c59c92dbf588a47e8d48e9067..dd11441d4baa2a30a1f2d26827f22fb95a5d6891 100644
--- a/ios/web/shell/test/page_state_egtest.mm
+++ b/ios/web/shell/test/page_state_egtest.mm
@@ -57,15 +57,9 @@ using web::test::HttpServer;
 
 @implementation PageStateTestCase
 
-// TODO(crbug.com/675015): Re-enable this test on device.
-#if TARGET_IPHONE_SIMULATOR
-#define MAYBE_testScrollPositionRestoring testScrollPositionRestoring
-#else
-#define MAYBE_testScrollPositionRestoring FLAKY_testScrollPositionRestoring
-#endif
 // Tests that page scroll position of a page is restored upon returning to the
 // page via the back/forward buttons.
-- (void)MAYBE_testScrollPositionRestoring {
+- (void)testScrollPositionRestoring {
   // TODO(crbug.com/670700): Re-enable this test.
   if (!base::ios::IsRunningOnIOS10OrLater()) {
     EARL_GREY_TEST_DISABLED(@"Test disabled on pre-iOS 10");