[css-ui] Use "Ahem" instead of "ahem" in tests

"ahem" is causing flakiness on Windows, so this patch
just replaces "ahem" by "Ahem" on css-ui WPT tests.

BUG=724392,796733

Change-Id: I956e939790319ec956164f34af8c72f109c528ef
Reviewed-on: https://chromium-review.googlesource.com/940133Reviewed-by: Morten Stenshorne <mstensho@chromium.org>
Commit-Queue: Manuel Rego Casasnovas <rego@igalia.com>
Cr-Commit-Position: refs/heads/master@{#539797}

third_party/WebKit/LayoutTests/TestExpectations

@@ -2309,18 +2309,6 @@ crbug.com/792437 external/wpt/css/css-multicol/multicol-rule-outset-000.xht [ Fa
 crbug.com/636055 external/wpt/css/css-multicol/multicol-span-all-margin-nested-002.xht [ Failure ]
 crbug.com/792446 external/wpt/css/css-multicol/multicol-span-float-001.xht [ Failure ]
 
-crbug.com/796733 [ Win ] external/wpt/css/css-ui/outline-004.html [ Pass Failure ]
-crbug.com/796733 [ Win ] external/wpt/css/css-ui/text-overflow-001.html [ Pass Failure ]
-crbug.com/796733 [ Win ] external/wpt/css/css-ui/text-overflow-002.html [ Pass Failure ]
-crbug.com/796733 [ Win ] external/wpt/css/css-ui/text-overflow-003.html [ Pass Failure ]
-crbug.com/796733 [ Win ] external/wpt/css/css-ui/text-overflow-004.html [ Pass Failure ]
-crbug.com/796733 [ Win ] external/wpt/css/css-ui/text-overflow-007.html [ Pass Failure ]
-crbug.com/796733 [ Win ] external/wpt/css/css-ui/text-overflow-013.html [ Pass Failure ]
-crbug.com/796733 [ Win ] external/wpt/css/css-ui/text-overflow-014.html [ Pass Failure ]
-crbug.com/796733 [ Win ] external/wpt/css/css-ui/text-overflow-015.html [ Pass Failure ]
-crbug.com/796733 [ Win ] external/wpt/css/css-ui/text-overflow-016.html [ Pass Failure ]
-crbug.com/796733 [ Win ] external/wpt/css/css-ui/text-overflow-020.html [ Pass Failure ]
-
 crbug.com/796668 external/wpt/longtask-timing/longtask-in-sibling-iframe.html [ Skip ]
 crbug.com/796668 external/wpt/longtask-timing/longtask-in-sibling-iframe-crossorigin.html [ Skip ]
 

third_party/WebKit/LayoutTests/external/wpt/css/css-ui/outline-016.html

@@ -25,7 +25,7 @@ div {
   background: green;
   line-height: 25px;
   font-size: 25px;
-  font-family: ahem;
+  font-family: Ahem;
 }
 </style>
 

third_party/WebKit/LayoutTests/external/wpt/css/css-ui/reference/text-overflow-008-ref.html

@@ -6,7 +6,7 @@
 div {
   font-size: 100px;
   line-height: 1;
-  font-family: ahem;
+  font-family: Ahem;
   overflow: hidden;
   width: 0.5em;
   color: green;

third_party/WebKit/LayoutTests/external/wpt/css/css-ui/reference/text-overflow-013-ref.html

@@ -6,7 +6,7 @@
 .test {
   overflow: hidden;
   white-space: pre;
-  font: 100px/1 ahem;
+  font: 100px/1 Ahem;
   width: 2em;
 }
 .green {

third_party/WebKit/LayoutTests/external/wpt/css/css-ui/text-overflow-007.html

@@ -9,7 +9,7 @@
 <style>
 .test {
   white-space: pre;
-  font: 50px/1 ahem;
+  font: 50px/1 Ahem;
   text-overflow: ellipsis;
   overflow: hidden;
   width: 2.5em; /* We will be fitting 2em worth of characters in a 2.5em space, to see where the extra .5em goes. It should be after, not between the characters.*/

third_party/WebKit/LayoutTests/external/wpt/css/css-ui/text-overflow-008.html

@@ -12,7 +12,7 @@
 -->
 <style>
 .test {
-  font: 100px/1 ahem;
+  font: 100px/1 Ahem;
   text-overflow: ellipsis;
   overflow: hidden;
   width: 0.5em;

third_party/WebKit/LayoutTests/external/wpt/css/css-ui/text-overflow-010.html

@@ -16,7 +16,7 @@
 }
 .test {
   white-space: pre;
-  font-family: ahem;
+  font-family: Ahem;
   text-overflow: ellipsis;
   overflow: hidden;
   width: 5.2em; /* making this 5.2em rather than 5em, to ensure that the atomic inline gets entirely hidden even if it is only partially obstructing */

third_party/WebKit/LayoutTests/external/wpt/css/css-ui/text-overflow-011.html

@@ -9,7 +9,7 @@
 <style>
 .test {
   white-space: pre;
-  font: 100px/1 ahem;
+  font: 100px/1 Ahem;
   color: green;
   overflow: hidden;
   text-overflow: ellipsis;

third_party/WebKit/LayoutTests/external/wpt/css/css-ui/text-overflow-013.html

@@ -11,7 +11,7 @@
   overflow: hidden;
   text-overflow: ellipsis;
   white-space: pre;
-  font: 100px/1 ahem;
+  font: 100px/1 Ahem;
   color: green;
 
   /* 2em width and starting with a space

third_party/WebKit/LayoutTests/external/wpt/css/css-ui/text-overflow-014.html

@@ -11,7 +11,7 @@
   overflow: hidden;
   text-overflow: ellipsis;
   white-space:pre;
-  font: 100px/1 ahem;
+  font: 100px/1 Ahem;
   color: green;
 
   /* 2em width and starting with a space

third_party/WebKit/LayoutTests/external/wpt/css/css-ui/text-overflow-015.html

@@ -13,7 +13,7 @@ div {
   width: 100px;
   height: 100px;
   white-space: pre;
-  font: 20px/1 ahem;
+  font: 20px/1 Ahem;
   color: green;
   background: url("support/1x1-red.png") top right / 1em 1em no-repeat, green;
 }

third_party/WebKit/LayoutTests/external/wpt/css/css-ui/text-overflow-016.html

@@ -12,7 +12,7 @@
   text-overflow: ellipsis;
   width: 100px;
   white-space: pre;
-  font: 50px/1 ahem;
+  font: 50px/1 Ahem;
   height: 20px;
   position: relative;
 }

third_party/WebKit/LayoutTests/external/wpt/css/css-ui/text-overflow-017.html

@@ -15,7 +15,7 @@
   width: 2.5em;
   height: 1em;
   white-space: pre;
-  font: 100px/1 ahem;
+  font: 100px/1 Ahem;
   color: blue;
 }
 #discard {

third_party/WebKit/LayoutTests/external/wpt/css/css-ui/text-overflow-020.html

@@ -16,7 +16,7 @@ div {
 }
 div > p {
   white-space: pre;
-  font: 40px/1 ahem;
+  font: 40px/1 Ahem;
   color: green;
   background: red;
   margin: 0;

third_party/WebKit/LayoutTests/external/wpt/css/css-ui/text-overflow-023.html

@@ -19,7 +19,7 @@
 #parent {
   position: absolute;
   top: 0; left: 0;
-  font: 50px / 1  ahem ;
+  font: 50px/1 Ahem ;
   overflow: hidden;
   width: 3em;
   text-overflow: ellipsis;