Remove some legacy versions of StartsWith and EndsWith.

tools/gn/ninja_binary_target_writer.cc

Index: tools/gn/ninja_binary_target_writer.cc
diff --git a/tools/gn/ninja_binary_target_writer.cc b/tools/gn/ninja_binary_target_writer.cc
index 1fc06b26e5787debef792f70a551dabd259ee22c..971f4d87f439bbb3ff4941a263a0603069dab438 100644
--- a/tools/gn/ninja_binary_target_writer.cc
+++ b/tools/gn/ninja_binary_target_writer.cc
@@ -650,7 +650,8 @@ void NinjaBinaryTargetWriter::WriteLibs() {
   const std::string framework_ending(".framework");
   for (size_t i = 0; i < all_libs.size(); i++) {
     if (settings_->IsMac() &&
-        base::EndsWith(all_libs[i], framework_ending, false)) {
+        base::EndsWith(all_libs[i], framework_ending,
+                       base::CompareCase::INSENSITIVE_ASCII)) {
       // Special-case libraries ending in ".framework" on Mac. Add the
       // -framework switch and don't add the extension to the output.
       out_ << " -framework ";