commit e176af4a53e7d4483e5dda125d7f77f2818e697c
author creis <creis@chromium.org> Fri Mar 20 16:49:01 2015
committer Commit bot <commit-bot@chromium.org> Fri Mar 20 16:50:22 2015
tree 84811bc2334d77a1b1ee17a66bd4267668ec1e7d
parent 6c029671c0d5a0b266fd6d5f870a4895513aa620

Clear RenderFrameImpl::frame_ pointer after deleting it.

Also avoid dereferencing it in OnMessageReceived after deletion.

NOTRY=true
TBR=nasko@chromium.org
BUG=461191
TEST=No more crashes in RenderFrameImpl::OnMessageReceived

Review URL: https://codereview.chromium.org/1007123003

Cr-Commit-Position: refs/heads/master@{#320773}
(cherry picked from commit cfaa4468f3394995a9f1565104ee2743a30d58e0)

Review URL: https://codereview.chromium.org/1021313002

Cr-Commit-Position: refs/branch-heads/2272@{#445}
Cr-Branched-From: 827a380cfdb31aa54c8d56e63ce2c3fd8c3ba4d4-refs/heads/master@{#310958}