Remove some legacy versions of StartsWith and EndsWith.

chrome/browser/extensions/updater/local_extension_cache.cc

Index: chrome/browser/extensions/updater/local_extension_cache.cc
diff --git a/chrome/browser/extensions/updater/local_extension_cache.cc b/chrome/browser/extensions/updater/local_extension_cache.cc
index 677b3e87d0f338578de8a6387881a6ad71fd84fb..14273a8ed39d2a2d349ee8d872e8c4bffc1936fc 100644
--- a/chrome/browser/extensions/updater/local_extension_cache.cc
+++ b/chrome/browser/extensions/updater/local_extension_cache.cc
@@ -421,7 +421,7 @@ void LocalExtensionCache::BackendCheckCacheContentsInternal(
     std::string version;
     std::string expected_hash;
     if (base::EndsWith(basename, kCRXFileExtension,
-                       false /* case-sensitive */)) {
+                       base::CompareCase::INSENSITIVE_ASCII)) {
       size_t n = basename.find('-');
       if (n != std::string::npos && n + 1 < basename.size() - 4) {
         id = basename.substr(0, n);