Reduce unnecessary usage of TextCaseSensitivity::TextCaseInsensitive.

third_party/WebKit/Source/modules/nfc/NFC.cpp

Index: third_party/WebKit/Source/modules/nfc/NFC.cpp
diff --git a/third_party/WebKit/Source/modules/nfc/NFC.cpp b/third_party/WebKit/Source/modules/nfc/NFC.cpp
index 87fa30cbc5c1c6e710cf418c240726da319528ce..8f425e8fb7f944b31d6f96102910e21d73894096 100644
--- a/third_party/WebKit/Source/modules/nfc/NFC.cpp
+++ b/third_party/WebKit/Source/modules/nfc/NFC.cpp
@@ -316,7 +316,8 @@ bool isValidTextRecord(const NFCRecord& record) {
     return false;
 
   if (record.hasMediaType() &&
-      !record.mediaType().startsWith(kPlainTextMimePrefix, TextCaseInsensitive))
+      !record.mediaType().startsWith(kPlainTextMimePrefix,
+                                     TextCaseUnicodeInsensitive))
     return false;
 
   return true;
@@ -339,7 +340,7 @@ bool isValidJSONRecord(const NFCRecord& record) {
     return false;
 
   if (record.hasMediaType() &&
-      !record.mediaType().startsWith(kJsonMimePrefix, TextCaseInsensitive))
+      !record.mediaType().startsWith(kJsonMimePrefix, TextCaseASCIIInsensitive))
     return false;
 
   return true;