Revert of Remove some legacy versions of StartsWith and EndsWith.

content/browser/plugin_service_impl.cc

Index: content/browser/plugin_service_impl.cc
diff --git a/content/browser/plugin_service_impl.cc b/content/browser/plugin_service_impl.cc
index eadffcc5d6eb2f1504669960abe4e6db698c1e0d..93140c27ef88a06e8a1539c2463f5b760dbcc7cc 100644
--- a/content/browser/plugin_service_impl.cc
+++ b/content/browser/plugin_service_impl.cc
@@ -581,8 +581,7 @@
     // Many plugins on the Mac have .plugin in the actual name, which looks
     // terrible, so look for that and strip it off if present.
     const std::string kPluginExtension = ".plugin";
-    if (base::EndsWith(plugin_name, base::ASCIIToUTF16(kPluginExtension),
-                       base::CompareCase::SENSITIVE))
+    if (base::EndsWith(plugin_name, base::ASCIIToUTF16(kPluginExtension), true))
       plugin_name.erase(plugin_name.length() - kPluginExtension.length());
 #endif  // OS_MACOSX
   }