The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/cf848a6957fb402bdffeb5a2ce51e9f0cbbb98f2

commit cf848a6957fb402bdffeb5a2ce51e9f0cbbb98f2
Author: dmurph <dmurph@chromium.org>
Date: Thu Nov 17 21:25:07 2016

[BlobAsync] Moving async handling into BlobStorageContext & quota out.

This change moves async building logic, including waiting on referenced
blobs, out of the BlobAsyncBuilderHost into the BlobStorageContext. It
also moves the quota handling out of BlobStorageContext and into
BlobMemoryController.

This change does not enable paging to files (or backing blobs by files
right away) yet. It's just doing the required system and state
refactoring.

BUG= 375297 , 612261 , 600528 
R=michaeln@chromium.org,kinuko@chromium.org,pwnall@chromium.org,mek@chromium.org

Review-Url: https://codereview.chromium.org/2448353002
Cr-Commit-Position: refs/heads/master@{#432960}

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