Remove URLRequest::IsHandledProtocol and IsHandledURL

ios/chrome/browser/chrome_url_util.mm

Index: ios/chrome/browser/chrome_url_util.mm
diff --git a/ios/chrome/browser/chrome_url_util.mm b/ios/chrome/browser/chrome_url_util.mm
index 40dff897e48377b68299b85709a2514339cdf6d5..439e65852ac2d132b3a16f48798fbaa264a34257 100644
--- a/ios/chrome/browser/chrome_url_util.mm
+++ b/ios/chrome/browser/chrome_url_util.mm
@@ -45,13 +45,15 @@ bool UrlHasChromeScheme(NSURL* url) {
 
 bool IsHandledProtocol(const std::string& scheme) {
   DCHECK_EQ(scheme, base::ToLowerASCII(scheme));
-  if (scheme == url::kAboutScheme)
-    return true;
-  if (scheme == url::kDataScheme)
-    return true;
-  if (scheme == kChromeUIScheme)
-    return true;
-  return net::URLRequest::IsHandledProtocol(scheme);
+  static const char* const kProtocolList[] = {
+      kChromeUIScheme,   url::kDataScheme, url::kAboutScheme, url::kHttpScheme,
+      url::kHttpsScheme, url::kWsScheme,   url::kWssScheme,
+  };
+  for (size_t i = 0; i < arraysize(kProtocolList); ++i) {
+    if (scheme == kProtocolList[i])
+      return true;
+  }
+  return false;
 }
 
 @implementation ChromeAppConstants {