layout_thread: Avoid adding the UA sheets multiple times when there's no root flow.

Fixes #18631
This commit is contained in:
Emilio Cobos Álvarez 2017-10-01 21:21:35 +02:00
parent dd27ec1fa2
commit 8976b1aeab
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GPG key ID: 056B727BB9C1027C
3 changed files with 27 additions and 2 deletions

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@ -14546,6 +14546,12 @@
{}
]
],
"mozilla/first-reflow-sheet-assert.html": [
[
"/_mozilla/mozilla/first-reflow-sheet-assert.html",
{}
]
],
"mozilla/focus_blur.html": [
[
"/_mozilla/mozilla/focus_blur.html",
@ -27925,6 +27931,10 @@
"f2ec5f89521fb4eda64a5e70249bbfb8850c4278",
"testharness"
],
"mozilla/first-reflow-sheet-assert.html": [
"8a0cf9152c3f2421d3e418f824f02c915092d78f",
"testharness"
],
"mozilla/focus_blur.html": [
"2735c5c482e38743b0976789af858075c54408c1",
"testharness"