Move StringToUpperASCII and LowerCaseEqualsASCII to the base namespace

net/base/mime_util.cc

Index: net/base/mime_util.cc
diff --git a/net/base/mime_util.cc b/net/base/mime_util.cc
index 7dd51a2945d4556a6ce45f858546e9c60ba8af69..da7931c8558d1f67006a9a0a16027419670b7b43 100644
--- a/net/base/mime_util.cc
+++ b/net/base/mime_util.cc
@@ -952,7 +952,7 @@ static bool ParseH264CodecID(const std::string& codec_id,
     return false;
   }
 
-  std::string profile = StringToUpperASCII(codec_id.substr(5, 4));
+  std::string profile = base::StringToUpperASCII(codec_id.substr(5, 4));
   if (profile == "42E0") {
     *codec = MimeUtil::H264_BASELINE;
   } else if (profile == "4D40") {
@@ -965,7 +965,8 @@ static bool ParseH264CodecID(const std::string& codec_id,
     return true;
   }
 
-  *is_ambiguous = !IsValidH264Level(StringToUpperASCII(codec_id.substr(9)));
+  *is_ambiguous =
+      !IsValidH264Level(base::StringToUpperASCII(codec_id.substr(9)));
   return true;
 }