Move StartsWith[ASCII] to base namespace.

components/translate/core/browser/translate_language_list.cc

Index: components/translate/core/browser/translate_language_list.cc
diff --git a/components/translate/core/browser/translate_language_list.cc b/components/translate/core/browser/translate_language_list.cc
index 959b5762c7aa3343e41ce6b18fe36395a504e6cd..1b1bfed0e9f0f1e6efef34da69ce60e0462bd077 100644
--- a/components/translate/core/browser/translate_language_list.cc
+++ b/components/translate/core/browser/translate_language_list.cc
@@ -264,9 +264,9 @@ void TranslateLanguageList::SetSupportedLanguages(
   // })
   // Where "sl(" is set in kLanguageListCallbackName, "tl" is
   // kTargetLanguagesKey and "al" kAlphaLanguagesKey.
-  if (!StartsWithASCII(language_list,
-                       TranslateLanguageList::kLanguageListCallbackName,
-                       false) ||
+  if (!base::StartsWithASCII(language_list,
+                             TranslateLanguageList::kLanguageListCallbackName,
+                             false) ||
       !EndsWith(language_list, ")", false)) {
     // We don't have a NOTREACHED here since this can happen in ui_tests, even
     // though the the BrowserMain function won't call us with parameters.ui_task