* fix: always have head.headers available
* fix: use StringDataPipeProducer to write string
It can handle large strings correctly.
* fix: override RegisterNonNetworkSubresourceURLLoaderFactories
* fix: add dummy uninterceptProtocol implementation
* fix: jquery error handler can pass empty string
For some errors jquery would pass empty string in the error handler,
which makes tests pass when they should fail.
* chore: fix cpplint warnings
* fix: guard RegisterNonNetworkSubresourceURLLoaderFactories call
It may be called even when NetworkService is not enabled.
* test: disable protocol.interceptHttpProtocol test
* Parse stream protocol handler
* Pipe node stream to mojo
* Merge the parser for headers
* Add ToDict helper to simplify code
* Simplify dispatching logic
* Add an experimental API for returning any type of response
* Fix subscribing event
* URL loaders' lifetime is independent of the factory
* HandleError helper is no longer needed
* Rename "SendResponse" => "StartLoading" to follow naming conventions
* Delete when connection error happens
* Fix cpplint warning
* Pass protocol type and handler to factory
* Add converter for network::ResourceRequest
* Implement Buffer and String protocol handler
* Implement file protocol
