Batch disable timeout-flaky webkit tests on Fuchsia.

I investigated the tests that failed in this build:
https://ci.chromium.org/p/chromium/builders/try/fuchsia_x64/496805
and noticed basically all of them are timeout-flaky on Fuchsia, filed
under different bugs. So this patch marks all of them.

Also marks some previously-marked tests as also crashing.

TBR=wez@chromium.org

Bug: 1050893, 1051014, 1051370, 1051015, 1050995, 1051774, 1051133, 1051131, 1053512
Change-Id: Ib7e72afeb426612b32a60702c1b4505be29d6520
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2061758
Commit-Queue: Bret Sepulveda <bsep@chromium.org>
Reviewed-by: Bret Sepulveda <bsep@chromium.org>
Cr-Commit-Position: refs/heads/master@{#742156}

third_party/blink/web_tests/TestExpectations

@@ -438,7 +438,7 @@ crbug.com/1052202 external/wpt/svg/linking/scripted/href-mpath-element.html [ Ti
 crbug.com/1052202 external/wpt/svg/linking/scripted/href-animate-element.html [ Timeout ]
 
 # Slightly flaky timeouts (about 1 in 30)
-crbug.com/1050993 [ Linux ] virtual/gpu-rasterization/images/drag-image-descendant-painting-sibling.html [ Pass Timeout ]
+crbug.com/1050993 [ Linux ] virtual/gpu-rasterization/images/drag-image-descendant-painting-sibling.html [ Crash Pass Timeout ]
 
 # ====== Paint team owned tests to here ======
 
@@ -6623,7 +6623,7 @@ crbug.com/1049689 external/wpt/workers/modules/shared-worker-import-referrer.htm
 crbug.com/1049689 virtual/omt-worker-fetch/external/wpt/workers/modules/shared-worker-import-referrer.html [ Pass Timeout ]
 
 # Sheriff 2020-02-10
-crbug.com/1050306 [ Fuchsia ] virtual/gpu/fast/canvas/canvas-filter-frameless-document.html [ Pass Failure ]
+crbug.com/1050306 [ Fuchsia ] virtual/gpu/fast/canvas/canvas-filter-frameless-document.html [ Crash Pass Timeout ]
 
 # Swiftshader issue.
 crbug.com/1048149 external/wpt/html/browsers/the-window-object/apis-for-creating-and-navigating-browsing-contexts-by-name/open-features-non-integer-innerwidth.html [ Crash Timeout ]
@@ -6722,3 +6722,13 @@ crbug.com/1006759 http/tests/devtools/profiler/agents-disabled-check.js [ Skip ]
 # DevTools roll
 crbug.com/1052111 http/tests/devtools/a11y-axe-core/audits-start-view-a11y-test.js [ Skip ]
 crbug.com/1052111 http/tests/devtools/user-metrics.js [ Skip ]
+
+# Sheriff 2020-02-18
+crbug.com/1050893 [ Fuchsia ] virtual/gpu/fast/canvas/feimage-with-foreignobject-taint-canvas-2.html [ Timeout Pass ]
+crbug.com/1051014 [ Fuchsia ] virtual/prefer_compositing_to_lcd_text/scrollbars/custom-scroll-corner-crash.html [ Timeout Pass ]
+crbug.com/1051370 [ Fuchsia ] virtual/prefer_compositing_to_lcd_text/scrollbars/viewport-scrollbar-corner-with-percent-padding-crash.html [ Timeout Pass ]
+crbug.com/1051015 [ Fuchsia ] virtual/stable/fast/css3-text/css3-text-decoration/stable/getComputedStyle-text-decoration.html [ Timeout Pass ]
+crbug.com/1050995 [ Fuchsia ] http/tests/pointer-lock/iframe-sandboxed.html [ Timeout Pass ]
+crbug.com/1051774 [ Fuchsia ] http/tests/plugins/navigator-plugins-in-cross-origin-frame.html [ Timeout Pass ]
+crbug.com/1051133 [ Fuchsia ] http/tests/canvas/philip/tests/security.pattern.canvas.fillStyle.html [ Crash Timeout Pass ]
+crbug.com/1051131 [ Fuchsia ] http/tests/appcache/abort-cache-onchecking-resource-404.html [ Timeout Pass ]