Remove more test expectations for tests that have been already fixed.

The bug has been fixed back in April - let's remove the test
expectations (the tests are passing when run 20 times on my local
machine).

Bug: 582245
Change-Id: I122d61b4d7e177a1346cd2b0aa2540c997ba504a
Reviewed-on: https://chromium-review.googlesource.com/1169944
Commit-Queue: Łukasz Anforowicz <lukasza@chromium.org>
Reviewed-by: Daniel Cheng <dcheng@chromium.org>
Cr-Commit-Position: refs/heads/master@{#582146}

third_party/WebKit/LayoutTests/FlagExpectations/site-per-process

@@ -20,16 +20,6 @@ crbug.com/393285 http/tests/text-autosizing/wide-iframe.html [ Failure Crash ]
 # https://crbug.com/669083: console messages mismatch (origin-only VS full-URI)
 crbug.com/669083 http/tests/security/frameNavigation/xss-DENIED-top-navigation-without-user-gesture.html [ Failure ]
 
-# https://crbug.com/582245 - no exception, b/c BindingSecurity::shouldAllowAccessTo exits early when |!target|.
-crbug.com/582245 external/wpt/x-frame-options/deny.sub.html [ Failure ]
-crbug.com/582245 external/wpt/x-frame-options/multiple.sub.html [ Failure ]
-crbug.com/582245 external/wpt/x-frame-options/sameorigin.sub.html [ Failure ]
-crbug.com/582245 http/tests/security/xss-DENIED-getSVGDocument-iframe.html [ Failure ]
-crbug.com/582245 http/tests/security/xss-DENIED-getSVGDocument-object.html [ Failure ]
-crbug.com/582245 http/tests/security/xssAuditor/block-does-not-leak-location.html [ Failure ]
-crbug.com/582245 http/tests/security/xssAuditor/block-does-not-leak-referrer.html [ Failure ]
-crbug.com/582245 http/tests/security/xssAuditor/full-block-script-tag-cross-domain.html [ Failure ]
-
 # https://crbug.com/608015 - node.contentDocument is undefined.
 crbug.com/608015 http/tests/inspector-protocol/access-inspected-object.js [ Failure Timeout ]