Move StartsWith[ASCII] to base namespace.

components/translate/core/language_detection/language_detection_util.cc

Index: components/translate/core/language_detection/language_detection_util.cc
diff --git a/components/translate/core/language_detection/language_detection_util.cc b/components/translate/core/language_detection/language_detection_util.cc
index 3cdbe7f435c62fa3e3bc995f5a9576bc645ae447..9556bb9351a9543ea0467b7dd2a539877957a922 100644
--- a/components/translate/core/language_detection/language_detection_util.cc
+++ b/components/translate/core/language_detection/language_detection_util.cc
@@ -197,7 +197,8 @@ bool CanCLDComplementSubCode(
   // CLD agree that the language is Chinese and Content-Language doesn't know
   // which dialect is used, CLD language has priority.
   // TODO(hajimehoshi): How about the other dialects like zh-MO?
-  return page_language == "zh" && StartsWithASCII(cld_language, "zh-", false);
+  return page_language == "zh" &&
+         base::StartsWithASCII(cld_language, "zh-", false);
 }
 
 }  // namespace
@@ -380,7 +381,7 @@ bool IsSameOrSimilarLanguages(const std::string& page_language,
 bool MaybeServerWrongConfiguration(const std::string& page_language,
                                    const std::string& cld_language) {
   // If |page_language| is not "en-*", respect it and just return false here.
-  if (!StartsWithASCII(page_language, "en", false))
+  if (!base::StartsWithASCII(page_language, "en", false))
     return false;
 
   // A server provides a language meta information representing "en-*". But it