Context:
https://cs.chromium.org/search/?q=PENDING_INTERNALS

Hi, I just published the cl for this issue https://chromium-review.googlesource.com/c/chromium/src/+/1396693

This is my first contribution. Please let me know if I miss anything:).

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/4d526b4f33f813b0ccd3d87a068f26b702d6aff8

commit 4d526b4f33f813b0ccd3d87a068f26b702d6aff8
Author: Minmin Jin <jinmmin@chromium.org>
Date: Tue Jan 08 03:22:30 2019

Change blob state PENDING_INTERNALS to PENDING_REFERENCED_BLOBS

Bug: 670398
Change-Id: Ic0268d77ca5afe92d2fa8254786d7c57c0990b10
Reviewed-on: https://chromium-review.googlesource.com/c/1396693
Reviewed-by: Daniel Murphy <dmurph@chromium.org>
Commit-Queue: Minmin Jin <jinmmin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#620601}
[modify] https://crrev.com/4d526b4f33f813b0ccd3d87a068f26b702d6aff8/content/browser/blob_storage/blob_transport_host_unittest.cc
[modify] https://crrev.com/4d526b4f33f813b0ccd3d87a068f26b702d6aff8/storage/browser/blob/README.md
[modify] https://crrev.com/4d526b4f33f813b0ccd3d87a068f26b702d6aff8/storage/browser/blob/blob_entry.h
[modify] https://crrev.com/4d526b4f33f813b0ccd3d87a068f26b702d6aff8/storage/browser/blob/blob_reader.cc
[modify] https://crrev.com/4d526b4f33f813b0ccd3d87a068f26b702d6aff8/storage/browser/blob/blob_storage_context.cc
[modify] https://crrev.com/4d526b4f33f813b0ccd3d87a068f26b702d6aff8/storage/browser/blob/view_blob_internals_job.cc
[modify] https://crrev.com/4d526b4f33f813b0ccd3d87a068f26b702d6aff8/storage/common/blob_storage/blob_storage_constants.h