Reduce unnecessary usage of TextCaseSensitivity::TextCaseInsensitive.

third_party/WebKit/Source/platform/network/mime/MIMETypeRegistry.cpp

Index: third_party/WebKit/Source/platform/network/mime/MIMETypeRegistry.cpp
diff --git a/third_party/WebKit/Source/platform/network/mime/MIMETypeRegistry.cpp b/third_party/WebKit/Source/platform/network/mime/MIMETypeRegistry.cpp
index 3d792cfc5069b40a6fbd597f7d0a8eec91112ebb..28526a33147d9b4379635cc588d44b024f11cb91 100644
--- a/third_party/WebKit/Source/platform/network/mime/MIMETypeRegistry.cpp
+++ b/third_party/WebKit/Source/platform/network/mime/MIMETypeRegistry.cpp
@@ -163,9 +163,10 @@ bool MIMETypeRegistry::isJavaAppletMIMEType(const String& mimeType) {
   // followed by any number of specific versions of the JVM, which is why we use
   // startsWith()
   return mimeType.startsWith("application/x-java-applet",
-                             TextCaseInsensitive) ||
-         mimeType.startsWith("application/x-java-bean", TextCaseInsensitive) ||
-         mimeType.startsWith("application/x-java-vm", TextCaseInsensitive);
+                             TextCaseASCIIInsensitive) ||
+         mimeType.startsWith("application/x-java-bean",
+                             TextCaseASCIIInsensitive) ||
+         mimeType.startsWith("application/x-java-vm", TextCaseASCIIInsensitive);
 }
 
 bool MIMETypeRegistry::isSupportedStyleSheetMIMEType(const String& mimeType) {
@@ -174,7 +175,7 @@ bool MIMETypeRegistry::isSupportedStyleSheetMIMEType(const String& mimeType) {
 
 bool MIMETypeRegistry::isSupportedFontMIMEType(const String& mimeType) {
   static const unsigned fontLen = 5;
-  if (!mimeType.startsWith("font/", TextCaseInsensitive))
+  if (!mimeType.startsWith("font/", TextCaseASCIIInsensitive))
     return false;
   String subType = mimeType.substring(fontLen).lower();
   return subType == "woff" || subType == "woff2" || subType == "otf" ||