[DevTools] Fix color of selection in network pane

Until now, selected but not focused items with a
network error in the network pane where not distingushable
from items without a network error. This patch fixes
the problem by keeping the font red.

Bug: chromium:843014
Change-Id: I66b3d1b6466120beb13ad4380c44a8e94971c0f5
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1821783Reviewed-by: Yang Guo <yangguo@chromium.org>
Commit-Queue: Jan Scheffler <janscheffler@chromium.org>
Cr-Commit-Position: refs/heads/master@{#699708}

third_party/blink/renderer/devtools/front_end/network/networkLogView.css

@@ -135,9 +135,15 @@
 .network-log-grid.data-grid tr.selected.network-error-row,
 .network-log-grid.data-grid tr.selected.network-error-row .network-cell-subtitle,
 .network-log-grid.data-grid tr.selected.network-error-row .network-dim-cell {
-    color: rgb(230, 0, 0);
+    color: rgb(230, 0, 0) !important;
 }
 
+.network-log-grid.data-grid:focus tr.selected.network-error-row,
+.network-log-grid.data-grid:focus tr.selected.network-error-row .network-cell-subtitle,
+.network-log-grid.data-grid:focus tr.selected.network-error-row .network-dim-cell {
+    background: hsl(0, 100%, 97%) !important;
+    color: rgb(230, 0, 0) !important;
+}
 .initiator-column .devtools-link {
     color: inherit;
 }