Revert "Move MemoryCache implementation details out of Resource"

This reverts commit 3af7e850c92091b73b8885019259951563741791.

It is the likely cause of crbug.com/344620 (and the easier to revert of the
two candidates).

BUG=344620
TBR=abarth

Review URL: https://codereview.chromium.org/171443002

git-svn-id: svn://svn.chromium.org/blink/trunk@167367 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Auto-rebaseline for r167308

http://src.chromium.org/viewvc/blink?view=revision&revision=167308

TBR=ernstm@chromium.org

Review URL: https://codereview.chromium.org/171503002

git-svn-id: svn://svn.chromium.org/blink/trunk@167368 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Auto-rebaseline for r167123

http://src.chromium.org/viewvc/blink?view=revision&revision=167123

BUG=332311
TBR=tkent@chromium.org

Review URL: https://codereview.chromium.org/166273008

git-svn-id: svn://svn.chromium.org/blink/trunk@167369 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Auto-rebaseline for r167168

http://src.chromium.org/viewvc/blink?view=revision&revision=167168

BUG=343833
TBR=tkent@chromium.org

Review URL: https://codereview.chromium.org/170803007

git-svn-id: svn://svn.chromium.org/blink/trunk@167370 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Auto-rebaseline for r167160

http://src.chromium.org/viewvc/blink?view=revision&revision=167160

BUG=325496
TBR=tkent@chromium.org

Review URL: https://codereview.chromium.org/171503003

git-svn-id: svn://svn.chromium.org/blink/trunk@167371 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Fix non-Mac 10.6 rebaseline of XHR test

BUG=
TBR=mkwst@chromium.org

Review URL: https://codereview.chromium.org/171533002

git-svn-id: svn://svn.chromium.org/blink/trunk@167372 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Auto-rebaseline for r167192

http://src.chromium.org/viewvc/blink?view=revision&revision=167192

TBR=mkwst@chromium.org

Review URL: https://codereview.chromium.org/171553002

git-svn-id: svn://svn.chromium.org/blink/trunk@167373 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Auto-rebaseline for r167247

http://src.chromium.org/viewvc/blink?view=revision&revision=167247

TBR=fmalita@chromium.org

Review URL: https://codereview.chromium.org/171563002

git-svn-id: svn://svn.chromium.org/blink/trunk@167374 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Auto-rebaseline for r167228

http://src.chromium.org/viewvc/blink?view=revision&revision=167228

TBR=vollick@chromium.org

Review URL: https://codereview.chromium.org/171603002

git-svn-id: svn://svn.chromium.org/blink/trunk@167375 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Auto-rebaseline for r167181

http://src.chromium.org/viewvc/blink?view=revision&revision=167181

BUG=343808
TBR=eseidel@chromium.org

Review URL: https://codereview.chromium.org/171623002

git-svn-id: svn://svn.chromium.org/blink/trunk@167376 bbb929c8-8fbe-4397-9dbb-9b2b20218538