Update base::StartsWith calls to new form

chrome/browser/net/chrome_network_delegate.cc

Index: chrome/browser/net/chrome_network_delegate.cc
diff --git a/chrome/browser/net/chrome_network_delegate.cc b/chrome/browser/net/chrome_network_delegate.cc
index 25a00238f80306a66909e07a4d116bca42c34d35..fdddd9cb561653a1bc5b1bb5d5d666aa2b55aab6 100644
--- a/chrome/browser/net/chrome_network_delegate.cc
+++ b/chrome/browser/net/chrome_network_delegate.cc
@@ -173,7 +173,6 @@ bool CanRequestBeDeltaEncoded(const net::URLRequest* request) {
     // XML (application/xml and application/*+xml) is eligible.
     { "application/", "xml" },
   };
-  const bool kCaseSensitive = true;
 
   std::string mime_type;
   request->GetMimeType(&mime_type);
@@ -181,9 +180,11 @@ bool CanRequestBeDeltaEncoded(const net::URLRequest* request) {
   for (size_t i = 0; i < arraysize(kEligibleMasks); i++) {
     const char *prefix = kEligibleMasks[i].prefix;
     const char *suffix = kEligibleMasks[i].suffix;
-    if (prefix && !base::StartsWithASCII(mime_type, prefix, kCaseSensitive))
+    if (prefix &&
+        !base::StartsWith(mime_type, prefix, base::CompareCase::SENSITIVE))
       continue;
-    if (suffix && !base::EndsWith(mime_type, suffix, kCaseSensitive))
+    if (suffix &&
+        !base::EndsWith(mime_type, suffix, base::CompareCase::SENSITIVE))
       continue;
     return true;
   }