commit 7ede5922f5c054c81b5ea049651775ab0503582c
author Hiroshige Hayashizaki <hiroshige@chromium.org> Fri Nov 09 14:46:31 2018
committer Commit Bot <commit-bot@chromium.org> Fri Nov 09 14:46:31 2018
tree 56ce2eff729de7df33faf8a13d40866cc427088c
parent 6e3ace0051b91c7144046c60acd04c7d658c9b09

Enable multiple WorkerFetchContext per one global scope

Currently WorkerFetchContext has the ownership of
some objects originated from WebWorkerFetchContext.
To create multiple WorkerFetchContexts
for one WorkerOrWorkletGlobalScope/WebWorkerFetchContext,
this CL moves these ownership outside WorkerFetchContext.
Namely,
- url_loader_factory_ and script_loader_factory_
  from WorkerFetchContext to WebWorketFetchContext subclasses, and
- subresource_filter_ from WorkerFetchContext to
  WorkerOrWorkletGlobalScope.
  Still |WorkerFetchContext::subresource_filter_| is kept, but
  it is created in WorkerOrWorkletGlobalScope and passed to
  WorkerFetchContext.

This CL doesn't change the observable behavior.
This CL creates WebURLLoaderFactory a little more eagerly, i.e.
when WorkerFetchContext is created,
while previously it was created when
WorkerFetchContext::CreateURLLoader() is called for the first time.

Bug: 880027, 903579
Change-Id: I84a8bafee25b7f293201a271d198260e2dfb8e68
Reviewed-on: https://chromium-review.googlesource.com/c/1193385
Commit-Queue: Hiroshige Hayashizaki <hiroshige@chromium.org>
Reviewed-by: Tsuyoshi Horo <horo@chromium.org>
Reviewed-by: Kinuko Yasuda <kinuko@chromium.org>
Reviewed-by: Hiroki Nakagawa <nhiroki@chromium.org>
Cr-Commit-Position: refs/heads/master@{#606835}