AK+Everywhere: Consolidate String::index_of() and String::find()

We had two functions for doing mostly the same thing. Combine both
of them into String::find() and use that everywhere.

Also add some tests to cover basic behavior.

1 files changed, 1 insertions, 1 deletions

diff --git a/Userland/Libraries/LibWeb/CSS/Parser/DeprecatedCSSParser.cpp b/Userland/Libraries/LibWeb/CSS/Parser/DeprecatedCSSParser.cpp
index c0c57a79eb..94ee9dbaaf 100644
--- a/Userland/Libraries/LibWeb/CSS/Parser/DeprecatedCSSParser.cpp
+++ b/Userland/Libraries/LibWeb/CSS/Parser/DeprecatedCSSParser.cpp
@@ -389,7 +389,7 @@ public:
     {
         if (const auto start_pos = pseudo_name.find('('); start_pos.has_value()) {
             const auto start = start_pos.value() + 1;
-            if (const auto end_pos = pseudo_name.index_of(")", start); end_pos.has_value()) {
+            if (const auto end_pos = pseudo_name.find(')', start); end_pos.has_value()) {
                 return pseudo_name.substring_view(start, end_pos.value() - start).trim_whitespace();
             }
         }