DevTools: Keep timeline counters graph colors independent of dark theme.

third_party/WebKit/Source/devtools/front_end/ui/inspectorCommon.css

Index: third_party/WebKit/Source/devtools/front_end/ui/inspectorCommon.css
diff --git a/third_party/WebKit/Source/devtools/front_end/ui/inspectorCommon.css b/third_party/WebKit/Source/devtools/front_end/ui/inspectorCommon.css
index b22cebb2bcff782b3154e6b87e6047365aca99d5..0c1df94e434e27a157cdb179518b4c135fe86ea1 100644
--- a/third_party/WebKit/Source/devtools/front_end/ui/inspectorCommon.css
+++ b/third_party/WebKit/Source/devtools/front_end/ui/inspectorCommon.css
@@ -157,7 +157,7 @@ input {
     background-color: white;
 }
 
-:host-context(.-theme-with-dark-background) input[type="checkbox"] {
+:host-context(.-theme-with-dark-background) input[type="checkbox"]::not(.-theme-preserve) {
     -webkit-filter: invert(80%);
 }
 
@@ -166,7 +166,6 @@ input[type="text"]:focus {
     outline: auto rgb(56, 121, 217);
 }
 
-
 .highlighted-search-result.current-search-result {
     border-radius: 1px;
     padding: 1px;