Revert of Disable support for swapped out RenderFrame(Host) and add instrumentation (patchset #2 id:20001 of https://codereview.chromium.org/1397323004/ )
Reason for revert:
There are enough dumps at this time and this CL is no longer needed.
Original issue's description:
> Disable support for swapped out RenderFrame(Host) and add instrumentation
>
> This CL is aiming to collect information about cases where the
> FocusController's focused frame is set to a RemoteFrame. This is the root
> cause of the crash in https://crbug.com/541578.
>
> BUG=541578, 357747
>
> Committed: https://crrev.com/144cbce186be2afe854b7c5d9ba6780fbaea07b8
> Cr-Commit-Position: refs/heads/master@{#353847}
TBR=dcheng@chromium.org,rsesek@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=541578, 357747
Review URL: https://codereview.chromium.org/1403613004
Cr-Commit-Position: refs/heads/master@{#354013}
2 files changed
