LayoutTests: Disable two contentSecurityPolicy tests.

third_party/WebKit/LayoutTests/TestExpectations

 # This is the main failure suppression file for Blink LayoutTests.
 # Further documentation:
 # https://chromium.googlesource.com/chromium/src/+/master/docs/testing/layout_test_expectations.md
 
 # Intentional failures to test the layout test system.
 Bug(intentional) harness-tests/crash.html [ Crash ]
 Bug(intentional) harness-tests/timeout.html [ Timeout ]
 
 # ====== Oilpan-only failures from here ======
 # Most of these actually cause the tests to report success, rather than
@@ skipping 2647 matching lines @@
 
 crbug.com/706091 [ Linux ] virtual/wheelscrolllatching/fast/events/wheel/wheel-scroll-latching-on-scrollbar.html [ Failure Pass ]
 
 # Sheriff failures 2017-04-24
 crbug.com/714862 [ Android ] tables/mozilla/collapsing_borders/bug41262-3.html [ Failure ]
 
 # Sheriff failure 2017-05-05
 crbug.com/703533 [ Mac ] shapedetection/detection-security-test.html  [ Crash Pass Timeout ]
 
 # Sheriff failures 2017-05-11
-crbug.com/724027 [ Linux ] http/tests/security/contentSecurityPolicy/directive-parsing-03.html [ Failure Pass Timeout ]
-crbug.com/724027 [ Linux ] http/tests/security/contentSecurityPolicy/source-list-parsing-04.html [ Failure Pass Timeout ]
-crbug.com/724027 [ Linux ] virtual/mojo-loading/http/tests/security/contentSecurityPolicy/directive-parsing-03.html [ Failure Pass Timeout ]
-crbug.com/724027 [ Linux ] virtual/mojo-loading/http/tests/security/contentSecurityPolicy/source-list-parsing-04.html [ Failure Pass Timeout ]
+crbug.com/724027 http/tests/security/contentSecurityPolicy/directive-parsing-03.html [ Skip ]
+crbug.com/724027 http/tests/security/contentSecurityPolicy/source-list-parsing-04.html [ Skip ]
+crbug.com/724027 virtual/mojo-loading/http/tests/security/contentSecurityPolicy/directive-parsing-03.html [ Skip ]
+crbug.com/724027 virtual/mojo-loading/http/tests/security/contentSecurityPolicy/source-list-parsing-04.html [ Skip ]
 
 # Sheriff failures 2017-05-16
 crbug.com/722212 fast/events/pointerevents/mouse-pointer-event-properties.html [ Failure Timeout Pass ]
 # Crashes on win
 crbug.com/722943 media/audio-repaint.html [ Skip ]
 # Flaky timeout
 crbug.com/723297 virtual/off-main-thread-fetch/http/tests/inspector/service-workers/service-workers-redundant.html [ Timeout ]
 
 # Tests to be run only under virtual/experimental-canvas-features/
 crbug.com/682753 fast/canvas-experimental [ Skip ]
@@ skipping 144 matching lines @@
 crbug.com/736177 [ Mac ] tables/mozilla_expected_failures/bugs/bug91057.html [ Failure Pass ]
 crbug.com/736177 [ Mac ] transforms/svg-vs-css.xhtml [ Failure Pass ]
 crbug.com/736177 [ Mac ] virtual/disable-spinvalidation/paint/spellmarkers/document-markers-zoom-150.html [ Failure Pass ]
 crbug.com/736177 [ Mac ] virtual/layout_ng/fast/block/basic/001.html [ Failure Pass ]
 crbug.com/736177 [ Mac ] virtual/mojo-loading/http/tests/misc/acid2-pixel.html [ Failure Pass ]
 crbug.com/736177 [ Mac ] virtual/off-main-thread-fetch/http/tests/misc/acid2-pixel.html [ Failure Pass ]
 crbug.com/736177 [ Mac ] virtual/prefer_compositing_to_lcd_text/scrollbars/custom-scrollbar-with-incomplete-style.html [ Failure Pass ]
 crbug.com/736177 [ Mac ] virtual/rootlayerscrolls/scrollbars/custom-scrollbar-with-incomplete-style.html [ Failure Pass ]
 
 crbug.com/734762 [ Mac Debug ] inspector-protocol/timeline/page-frames.js [ Failure ]