Move StartsWith[ASCII] to base namespace.

media/base/mime_util.cc

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <map>
 
 #include "base/containers/hash_tables.h"
 #include "base/lazy_instance.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_split.h"
@@ skipping 521 matching lines @@
 //   avc1.xxxxxx & avc3.xxxxxx are considered ambiguous forms that are trying to
 //   signal H.264 Baseline. For example, the idc_level, profile_idc and
 //   constraint_set3_flag pieces may explicitly require decoder to conform to
 //   baseline profile at the specified level (see Annex A and constraint_set0 in
 //   ISO-14496-10).
 static bool ParseH264CodecID(const std::string& codec_id,
                              MimeUtil::Codec* codec,
                              bool* is_ambiguous) {
   // Make sure we have avc1.xxxxxx or avc3.xxxxxx
   if (codec_id.size() != 11 ||
-      (!StartsWithASCII(codec_id, "avc1.", true) &&
-       !StartsWithASCII(codec_id, "avc3.", true))) {
+      (!base::StartsWithASCII(codec_id, "avc1.", true) &&
+       !base::StartsWithASCII(codec_id, "avc3.", true))) {
     return false;
   }
 
   std::string profile = base::StringToUpperASCII(codec_id.substr(5, 4));
   if (IsValidH264BaselineProfile(profile)) {
     *codec = MimeUtil::H264_BASELINE;
   } else if (profile == "4D40") {
     *codec = MimeUtil::H264_MAIN;
   } else if (profile == "6400") {
     *codec = MimeUtil::H264_HIGH;
@@ skipping 106 matching lines @@
                       std::vector<std::string>* codecs_out,
                       const bool strip) {
   g_media_mime_util.Get().ParseCodecString(codecs, codecs_out, strip);
 }
 
 void RemoveProprietaryMediaTypesAndCodecsForTests() {
   g_media_mime_util.Get().RemoveProprietaryMediaTypesAndCodecsForTests();
 }
 
 }  // namespace media