[Sheriff] Revert some TestExpectation removals

This is a partial revert of https://crrev.com/c/1526781.
Adding back some expectations for tests that still fail on bots.

TBR=atotic@chromium.org

Bug: 726520
Change-Id: I2c04afe59e72a6dfb700ba41685ce10c6e26d787
No-Try: True
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1530360Reviewed-by: Kunihiko Sakamoto <ksakamoto@chromium.org>
Commit-Queue: Kunihiko Sakamoto <ksakamoto@chromium.org>
Cr-Commit-Position: refs/heads/master@{#642350}

third_party/blink/web_tests/TestExpectations

@@ -1963,6 +1963,7 @@ crbug.com/771233 [ Win10 ] http/tests/devtools/audits2/ [ Skip ]
 crbug.com/771233 [ Win10 ] virtual/binary-for-devtools/http/tests/devtools/audits2/ [ Skip ]
 
 crbug.com/923269 virtual/gpu/fast/canvas/OffscreenCanvas-copyImage.html [ Failure ]
+crbug.com/923269 fast/canvas/OffscreenCanvas-copyImage.html [ Failure ]
 
 crbug.com/410974 fast/scroll-behavior/scroll-customization/scrollstate-basic.html [ Pass Failure ]
 crbug.com/410974 fast/scroll-behavior/scroll-customization/scrollstate-consume-deltas.html [ Pass Failure ]
@@ -3329,6 +3330,10 @@ crbug.com/626703 virtual/omt-worker-fetch/external/wpt/referrer-policy/css-integ
 crbug.com/626703 virtual/omt-worker-fetch/external/wpt/referrer-policy/css-integration/svg/presentation-attribute.html [ Timeout Failure ]
 crbug.com/626703 virtual/omt-worker-fetch/external/wpt/referrer-policy/css-integration/svg/processing-instruction.html [ Timeout Failure ]
 
+crbug.com/906959 external/wpt/referrer-policy/no-referrer/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/generic.http.html [ Failure ]
+crbug.com/906959 external/wpt/referrer-policy/no-referrer/http-rp/same-origin/http-http/shared-worker/no-redirect/generic.http.html [ Failure ]
+crbug.com/906959 external/wpt/referrer-policy/no-referrer/meta-referrer/same-origin/http-http/shared-worker/keep-origin-redirect/generic.http.html [ Failure ]
+crbug.com/906959 external/wpt/referrer-policy/no-referrer/meta-referrer/same-origin/http-http/shared-worker/no-redirect/generic.http.html [ Failure ]
 crbug.com/906959 external/wpt/referrer-policy/no-referrer-when-downgrade/http-rp/same-origin/http-http/shared-worker/keep-origin-redirect/insecure-protocol.http.html [ Failure ]
 crbug.com/906959 external/wpt/referrer-policy/no-referrer-when-downgrade/http-rp/same-origin/http-http/shared-worker/no-redirect/insecure-protocol.http.html [ Failure ]
 crbug.com/906959 external/wpt/referrer-policy/no-referrer-when-downgrade/meta-referrer/same-origin/http-http/shared-worker/keep-origin-redirect/insecure-protocol.http.html [ Failure ]