Remove the old network implementation (see issue #2622)

The `--disable-features=NetworkService` flag is no longer supported.

libcef/common/net/scheme_registration.cc

@@ -77,31 +77,6 @@ bool IsInternalHandledScheme(const std::string& scheme) {
   return false;
 }
 
-bool IsInternalProtectedScheme(const std::string& scheme) {
-  // Some of these values originate from StoragePartitionImplMap::Get() in
-  // content/browser/storage_partition_impl_map.cc and are modified by
-  // InstallInternalProtectedHandlers().
-  static const char* schemes[] = {
-    url::kBlobScheme,
-    content::kChromeUIScheme,
-    url::kDataScheme,
-    extensions::kExtensionScheme,
-    url::kFileScheme,
-    url::kFileSystemScheme,
-#if !BUILDFLAG(DISABLE_FTP_SUPPORT)
-    url::kFtpScheme,
-#endif
-    url::kJavaScriptScheme,
-  };
-
-  for (size_t i = 0; i < sizeof(schemes) / sizeof(schemes[0]); ++i) {
-    if (scheme == schemes[i])
-      return true;
-  }
-
-  return false;
-}
-
 bool IsStandardScheme(const std::string& scheme) {
   url::Component scheme_comp(0, scheme.length());
   return url::IsStandard(scheme.c_str(), scheme_comp);

libcef/common/net/scheme_registration.h

@@ -19,13 +19,6 @@ void AddInternalSchemes(content::ContentClient::Schemes* schemes);
 // Returns true if the specified |scheme| is handled internally.
 bool IsInternalHandledScheme(const std::string& scheme);
 
-// Returns true if the specified |scheme| is handled internally and should not
-// be explicitly registered or unregistered with the URLRequestJobFactory. A
-// registered handler for one of these schemes (like "chrome") may still be
-// triggered via chaining from an existing ProtocolHandler. |scheme| should
-// always be a lower-case string.
-bool IsInternalProtectedScheme(const std::string& scheme);
-
 // Returns true if the specified |scheme| is a registered standard scheme.
 bool IsStandardScheme(const std::string& scheme);