Remove some legacy versions of StartsWith and EndsWith.

chrome/browser/banners/app_banner_data_fetcher.cc

Index: chrome/browser/banners/app_banner_data_fetcher.cc
diff --git a/chrome/browser/banners/app_banner_data_fetcher.cc b/chrome/browser/banners/app_banner_data_fetcher.cc
index d926ed3893f854456d14e81b7dd65ca5a3925fd5..c61385b573431afd2ef0da189d8616aeea10822e 100644
--- a/chrome/browser/banners/app_banner_data_fetcher.cc
+++ b/chrome/browser/banners/app_banner_data_fetcher.cc
@@ -40,7 +40,8 @@ bool DoesManifestContainRequiredIcon(const content::Manifest& manifest) {
     // the src extension, and allow the icon if the extension ends with png.
     if (!base::EqualsASCII(icon.type.string(), "image/png") &&
         !(icon.type.is_null() &&
-          base::EndsWith(icon.src.ExtractFileName(), kPngExtension, false)))
+          base::EndsWith(icon.src.ExtractFileName(), kPngExtension,
+                         base::CompareCase::INSENSITIVE_ASCII)))
       continue;
 
     for (const auto& size : icon.sizes) {