* refactor: remove a few uses of native_mate/gfx_converter.h
* refactor: deprecate mate::EventEmitter
* refactor: add gin_helper::EventEmitter
* refactor: convert a few classes to use gin_helper::EventEmitter
* refactor: get rid of native_mate_converters/gfx_converter.h
* fix: follow native_mate on reporting errors
* fix: gin is weak at guessing parameter types
* fix: incorrect full class name
* fix: gin::Handle does not accept null
* refactor: use gin converters in api::Protocol
* refactor: convert JS constructor impl to gin
* refactor: use InitWithArgs helper
* fix: gin_helper::Dictionary should behave the same with mate
* fix cpplint warnings
* refactor: no more need to patch gin/dictionary.h
* deprecate native_mate/native_mate/object_template_builder.h
* add gin_helper/object_template_builder.h
* add patch to avoid ambiguous error
* remove usage of object_template_builder_deprecated.h in a few files
* add note we should remove gin_helper/object_template_builder.h in future
* Stub class for NetworkService-based URLRequest
* Create SimpleURLLoader
* Implement downloading
* Implement response event
* Only write data afte previous one finished
* Use DataPipeGetter for uploading data
* Support chunked upload data
* Call size callback at last
* Simplify UploadDataPipeGetter
* Implement cancelling and closing
* Handle redirection
* Fix uploading large data
* Emit error when request fails
* Emit error for redirection error
* Simplify emitting error
* "follow" should also emit "redirect" event
* SetLoadFlags is not really used
* Implement GetUploadProgress
* Implement FollowRedirect
* Fix exception with multiple redirections
* Reduce number of EmitEvent methods
* Emit response errors
* FetchRedirectMode => RedirectMode
