The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/998900e47a56f7d307b03705b315591d768512d9

commit 998900e47a56f7d307b03705b315591d768512d9
Author: romax <romax@chromium.org>
Date: Wed Apr 26 05:27:19 2017

[Offline Pages] Renaming metadata store test file.

Renaming the file since we no longer have the in-memory implementation of
the metadata store. Also removing the cc file for the header and moved
the destructor into the header file.

BUG= 708700 

Review-Url: https://codereview.chromium.org/2819983003
Cr-Commit-Position: refs/heads/master@{#467244}

[modify] https://crrev.com/998900e47a56f7d307b03705b315591d768512d9/components/offline_pages/core/BUILD.gn
[delete] https://crrev.com/51ad943c5fac355ab0166e1f47a104e8bc0b3bc6/components/offline_pages/core/offline_page_metadata_store.cc
[modify] https://crrev.com/998900e47a56f7d307b03705b315591d768512d9/components/offline_pages/core/offline_page_metadata_store.h
[rename] https://crrev.com/998900e47a56f7d307b03705b315591d768512d9/components/offline_pages/core/offline_page_metadata_store_unittest.cc