Mark as flaky all fcp-only Paint Timing tests

FindIt keeps finding more flakes. This CL marks all these tests as
flaky.

Bug: 1062984
Change-Id: I3512ad15af800d8e4f37d2952dca1762578253a6
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2119385
Commit-Queue: Nicolás Peña Moreno <npm@chromium.org>
Commit-Queue: Annie Sullivan <sullivan@chromium.org>
Auto-Submit: Nicolás Peña Moreno <npm@chromium.org>
Reviewed-by: Annie Sullivan <sullivan@chromium.org>
Cr-Commit-Position: refs/heads/master@{#753411}

third_party/blink/web_tests/TestExpectations

@@ -5518,33 +5518,55 @@ crbug.com/915352 [ Mac10.11 ] virtual/threaded/external/wpt/animation-worklet/wo
 
 # Paint Timing failures
 crbug.com/1062984 external/wpt/paint-timing/border-image.html [ Pass Failure ]
+crbug.com/1062984 external/wpt/paint-timing/fcp-only/fcp-background-size.html [ Pass Failure ]
 crbug.com/1062984 external/wpt/paint-timing/fcp-only/fcp-bg-image-set.html [ Pass Failure ]
+crbug.com/1062984 external/wpt/paint-timing/fcp-only/fcp-bg-image-two-steps.html [ Pass Failure ]
+crbug.com/1062984 external/wpt/paint-timing/fcp-only/fcp-canvas-context.html [ Pass Failure ]
+crbug.com/1062984 external/wpt/paint-timing/fcp-only/fcp-gradient.html [ Pass Failure ]
 crbug.com/1062984 external/wpt/paint-timing/fcp-only/fcp-invisible-3d-rotate-descendant.html [ Pass Failure ]
+crbug.com/1062984 external/wpt/paint-timing/fcp-only/fcp-invisible-3d-rotate.html [ Pass Failure ]
+crbug.com/1062984 external/wpt/paint-timing/fcp-only/fcp-invisible-scale.html [ Pass Failure ]
+crbug.com/1062984 external/wpt/paint-timing/fcp-only/fcp-invisible-scale-transition.html [ Pass Failure ]
+crbug.com/1062984 external/wpt/paint-timing/fcp-only/fcp-invisible-text.html [ Pass Failure ]
 crbug.com/1062984 external/wpt/paint-timing/fcp-only/fcp-opacity-descendant.html [ Pass Failure ]
 crbug.com/1062984 external/wpt/paint-timing/fcp-only/fcp-opacity.html [ Pass Failure ]
+crbug.com/1062984 external/wpt/paint-timing/fcp-only/fcp-out-of-bounds.html [ Pass Failure ]
+crbug.com/1062984 external/wpt/paint-timing/fcp-only/fcp-out-of-bounds-translate.html [ Pass Failure ]
+crbug.com/1062984 external/wpt/paint-timing/fcp-only/fcp-overflow.html [ Pass Failure ]
 crbug.com/1062984 external/wpt/paint-timing/fcp-only/fcp-pseudo-element-display.html [ Pass Failure ]
+crbug.com/1062984 external/wpt/paint-timing/fcp-only/fcp-pseudo-element-image.html [ Pass Failure ]
 crbug.com/1062984 external/wpt/paint-timing/fcp-only/fcp-pseudo-element-opacity.html [ Pass Failure ]
+crbug.com/1062984 external/wpt/paint-timing/fcp-only/fcp-pseudo-element-text.html [ Pass Failure ]
+crbug.com/1062984 external/wpt/paint-timing/fcp-only/fcp-pseudo-element-visibility.html [ Pass Failure ]
+crbug.com/1062984 external/wpt/paint-timing/fcp-only/fcp-svg.html [ Pass Failure ]
 crbug.com/1062984 external/wpt/paint-timing/fcp-only/fcp-video-frame.html [ Timeout Failure Pass ]
 crbug.com/1062984 external/wpt/paint-timing/fcp-only/fcp-video-poster.html [ Pass Failure ]
 crbug.com/1062984 external/wpt/paint-timing/fcp-only/fcp-whitespace.html [ Pass Failure ]
 crbug.com/1062984 external/wpt/paint-timing/mask-image.html [ Pass Failure ]
 crbug.com/1062984 external/wpt/paint-timing/replaced-content-image.html [ Pass Failure ]
 crbug.com/1062984 virtual/paint-timing/external/wpt/paint-timing/border-image.html [ Pass Failure ]
+crbug.com/1062984 virtual/paint-timing/external/wpt/paint-timing/fcp-only/fcp-background-size.html [ Pass Failure ]
 crbug.com/1062984 virtual/paint-timing/external/wpt/paint-timing/fcp-only/fcp-bg-image-set.html [ Pass Failure ]
-crbug.com/1062985 virtual/paint-timing/external/wpt/paint-timing/fcp-only/fcp-bg-image-two-steps.html [ Pass Failure ]
+crbug.com/1062984 virtual/paint-timing/external/wpt/paint-timing/fcp-only/fcp-bg-image-two-steps.html [ Pass Failure ]
 crbug.com/1062984 virtual/paint-timing/external/wpt/paint-timing/fcp-only/fcp-canvas-context.html [ Pass Failure ]
 crbug.com/1062984 virtual/paint-timing/external/wpt/paint-timing/fcp-only/fcp-gradient.html [ Pass Failure ]
 crbug.com/1062984 virtual/paint-timing/external/wpt/paint-timing/fcp-only/fcp-invisible-3d-rotate-descendant.html [ Pass Failure ]
-crbug.com/1062985 virtual/paint-timing/external/wpt/paint-timing/fcp-only/fcp-invisible-scale.html [ Pass Failure ]
-crbug.com/1062985 virtual/paint-timing/external/wpt/paint-timing/fcp-only/fcp-invisible-text.html [ Pass Failure ]
+crbug.com/1062984 virtual/paint-timing/external/wpt/paint-timing/fcp-only/fcp-invisible-3d-rotate.html [ Pass Failure ]
+crbug.com/1062984 virtual/paint-timing/external/wpt/paint-timing/fcp-only/fcp-invisible-scale.html [ Pass Failure ]
+crbug.com/1062984 virtual/paint-timing/external/wpt/paint-timing/fcp-only/fcp-invisible-scale-transition.html [ Pass Failure ]
+crbug.com/1062984 virtual/paint-timing/external/wpt/paint-timing/fcp-only/fcp-invisible-text.html [ Pass Failure ]
 crbug.com/1062984 virtual/paint-timing/external/wpt/paint-timing/fcp-only/fcp-opacity-descendant.html [ Pass Failure ]
 crbug.com/1062984 virtual/paint-timing/external/wpt/paint-timing/fcp-only/fcp-opacity.html [ Pass Failure ]
-crbug.com/1062985 virtual/paint-timing/external/wpt/paint-timing/fcp-only/fcp-out-of-bounds.html [ Pass Failure ]
+crbug.com/1062984 virtual/paint-timing/external/wpt/paint-timing/fcp-only/fcp-out-of-bounds.html [ Pass Failure ]
+crbug.com/1062984 virtual/paint-timing/external/wpt/paint-timing/fcp-only/fcp-out-of-bounds-translate.html [ Pass Failure ]
+crbug.com/1062984 virtual/paint-timing/external/wpt/paint-timing/fcp-only/fcp-overflow.html [ Pass Failure ]
 crbug.com/1062984 virtual/paint-timing/external/wpt/paint-timing/fcp-only/fcp-pseudo-element-display.html [ Pass Failure ]
-crbug.com/1062985 virtual/paint-timing/external/wpt/paint-timing/fcp-only/fcp-pseudo-element-image.html [ Pass Failure ]
+crbug.com/1062984 virtual/paint-timing/external/wpt/paint-timing/fcp-only/fcp-pseudo-element-image.html [ Pass Failure ]
 crbug.com/1062984 virtual/paint-timing/external/wpt/paint-timing/fcp-only/fcp-pseudo-element-opacity.html [ Pass Failure ]
-crbug.com/1062985 virtual/paint-timing/external/wpt/paint-timing/fcp-only/fcp-pseudo-element-visibility.html [ Pass Failure ]
-crbug.com/1062985 virtual/paint-timing/external/wpt/paint-timing/fcp-only/fcp-video-frame.html [ Pass Failure Timeout ]
+crbug.com/1062984 virtual/paint-timing/external/wpt/paint-timing/fcp-only/fcp-pseudo-element-text.html [ Pass Failure ]
+crbug.com/1062984 virtual/paint-timing/external/wpt/paint-timing/fcp-only/fcp-pseudo-element-visibility.html [ Pass Failure ]
+crbug.com/1062984 virtual/paint-timing/external/wpt/paint-timing/fcp-only/fcp-svg.html [ Pass Failure ]
+crbug.com/1062984 virtual/paint-timing/external/wpt/paint-timing/fcp-only/fcp-video-frame.html [ Pass Failure Timeout ]
 crbug.com/1062984 virtual/paint-timing/external/wpt/paint-timing/fcp-only/fcp-video-poster.html [ Pass Failure ]
 crbug.com/1062984 virtual/paint-timing/external/wpt/paint-timing/fcp-only/fcp-whitespace.html [ Pass Failure ]
 crbug.com/1062984 virtual/paint-timing/external/wpt/paint-timing/mask-image.html [ Pass Failure ]

third_party/blink/web_tests/external/wpt/paint-timing/fcp-only/fcp-gradient-expected.txt

-This is a testharness.js-based test.
-FAIL Gradients should not count as contentful assert_equals: First contentful paint marked too early.  expected 0 but got 1
-Harness: the test ran to completion.
-

third_party/blink/web_tests/external/wpt/paint-timing/fcp-only/fcp-invisible-3d-rotate-expected.txt

-This is a testharness.js-based test.
-FAIL First contentful paint fires due to 3d rotation into view. assert_equals: First contentful paint marked too early.  expected 0 but got 1
-Harness: the test ran to completion.
-

third_party/blink/web_tests/external/wpt/paint-timing/fcp-only/fcp-out-of-bounds-translate-expected.txt

-This is a testharness.js-based test.
-FAIL First contentful paint fires due to transform-based intersection with document. assert_equals: First contentful paint marked too early.  expected 0 but got 1
-Harness: the test ran to completion.
-

third_party/blink/web_tests/external/wpt/paint-timing/fcp-only/fcp-overflow-expected.txt

-This is a testharness.js-based test.
-FAIL First contentful paint fires even when element is hidden due to overflow. assert_equals: Expected first contentful paint not found.  expected 1 but got 0
-Harness: the test ran to completion.
-

third_party/blink/web_tests/external/wpt/paint-timing/fcp-only/fcp-svg-expected.txt

-This is a testharness.js-based test.
-FAIL First contentful paint fires when SVG becomes contentful. assert_equals: First contentful paint marked too early.  expected 0 but got 1
-Harness: the test ran to completion.
-