GitLab

Move onReceivedError and onReceivedHttpError out of AwContentsIoThreadClientImpl to AwContentsClientBridge. This is a continuation of the work started in
https://codereview.chromium.org/2425423004/ and is the third patch.

BUG=645983

Review-Url: https://codereview.chromium.org/2558223002
Cr-Commit-Position: refs/heads/master@{#437688}