The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/183f54d2a7d77a41cf953baf8c52ca3abf878269

commit 183f54d2a7d77a41cf953baf8c52ca3abf878269
Author: Jay Civelli <jcivelli@google.com>
Date: Thu Apr 12 07:39:13 2018

Remove priority from ResourceLoadInfo

The predictor code has been simplified and does not need to know about
resource requests priority anymore. As that code was supposed to be the
only consumer of that field, removing it from resource_load_info.mojom.

Bug:  829935 
Tbr: tsepez@chromium.org
Cq-Include-Trybots: master.tryserver.chromium.linux:linux_mojo
Change-Id: I36e5da88fb4e55af2ad3e94c27be59dd30e1b9c3
Reviewed-on: https://chromium-review.googlesource.com/999829
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Reviewed-by: John Abd-El-Malek <jam@chromium.org>
Reviewed-by: Conley Owens <cco3@chromium.org>
Commit-Queue: Jay Civelli <jcivelli@chromium.org>
Cr-Commit-Position: refs/heads/master@{#550081}
[modify] https://crrev.com/183f54d2a7d77a41cf953baf8c52ca3abf878269/content/browser/loader/resource_loader.cc
[modify] https://crrev.com/183f54d2a7d77a41cf953baf8c52ca3abf878269/content/browser/web_contents/web_contents_impl_browsertest.cc
[modify] https://crrev.com/183f54d2a7d77a41cf953baf8c52ca3abf878269/content/public/common/resource_load_info.mojom
[modify] https://crrev.com/183f54d2a7d77a41cf953baf8c52ca3abf878269/content/renderer/loader/resource_dispatcher.cc
[modify] https://crrev.com/183f54d2a7d77a41cf953baf8c52ca3abf878269/content/renderer/loader/resource_dispatcher.h
[modify] https://crrev.com/183f54d2a7d77a41cf953baf8c52ca3abf878269/services/network/public/cpp/network_param_ipc_traits.h
[modify] https://crrev.com/183f54d2a7d77a41cf953baf8c52ca3abf878269/services/network/public/cpp/resource_response_info.cc
[modify] https://crrev.com/183f54d2a7d77a41cf953baf8c52ca3abf878269/services/network/public/cpp/resource_response_info.h
[modify] https://crrev.com/183f54d2a7d77a41cf953baf8c52ca3abf878269/services/network/url_loader.cc