Revert of Move FrameHost::m_subframeCount to Page

Revert of Move FrameHost::m_subframeCount to Page (patchset #3 id:40001 of https://codereview.chromium.org/2739033003/ )

Reason for revert:
Builders this step failed on:
WebKit Linux Trusty Leak [2 since first detection]
2 tests failed:
external/wpt/fullscreen/api/document-exit-fullscreen-nested-in-iframe-manual.html ( Code Search )
fast/forms/select/input-select-after-resize.html ( Code Search )

https://uberchromegw.corp.google.com/i/chromium.webkit/builders/WebKit%20Linux%20Trusty%20Leak

Original issue's description:
> Move FrameHost::m_subframeCount to Page
> 
> Move the field FrameHost::m_subframeCount to Page, and update
> FrameHost methods to directly call the equivalent Page method.
> 
> BUG=691794
> 
> Review-Url: https://codereview.chromium.org/2739033003
> Cr-Commit-Position: refs/heads/master@{#456321}
> Committed: https://chromium.googlesource.com/chromium/src/+/eb7ffe6561358b82498f885544ffdf50a5e46646

TBR=joelhockey@chromium.org,sashab@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=691794
Review-Url: https://codereview.chromium.org/2746873002
Cr-Commit-Position: refs/heads/master@{#456334}
Committed: https://chromium.googlesource.com/chromium/src/+/214dd7fe513f8d06e76644c08db75fd8d3355d65

[yoichio, 2017-03-13 08:03:09]

The CQ bit was checked by yoichio@chromium.org

[yoichio, 2017-03-13 08:03:10]

Created Revert of Move FrameHost::m_subframeCount to Page

[commit-bot: I haz the power, 2017-03-13 08:03:21]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2017-03-13 08:04:03]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1489392189964340, "parent_rev":
"3e5985dff32210000bb1cc24f31a22ca2ed79151", "commit_rev":
"214dd7fe513f8d06e76644c08db75fd8d3355d65"}

[commit-bot: I haz the power, 2017-03-13 08:04:57]

Description was changed from

==========
Revert of Move FrameHost::m_subframeCount to Page (patchset #3 id:40001 of
https://codereview.chromium.org/2739033003/ )

Reason for revert:
Builders this step failed on:
WebKit Linux Trusty Leak [2 since first detection]
2 tests failed:
external/wpt/fullscreen/api/document-exit-fullscreen-nested-in-iframe-manual.html
( Code Search )
fast/forms/select/input-select-after-resize.html ( Code Search )

https://uberchromegw.corp.google.com/i/chromium.webkit/builders/WebKit%20Linu...

Original issue's description:
> Move FrameHost::m_subframeCount to Page
> 
> Move the field FrameHost::m_subframeCount to Page, and update
> FrameHost methods to directly call the equivalent Page method.
> 
> BUG=691794
> 
> Review-Url: https://codereview.chromium.org/2739033003
> Cr-Commit-Position: refs/heads/master@{#456321}
> Committed:
https://chromium.googlesource.com/chromium/src/+/eb7ffe6561358b82498f885544ff...

TBR=joelhockey@chromium.org,sashab@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=691794
==========

to

==========
Revert of Move FrameHost::m_subframeCount to Page (patchset #3 id:40001 of
https://codereview.chromium.org/2739033003/ )

Reason for revert:
Builders this step failed on:
WebKit Linux Trusty Leak [2 since first detection]
2 tests failed:
external/wpt/fullscreen/api/document-exit-fullscreen-nested-in-iframe-manual.html
( Code Search )
fast/forms/select/input-select-after-resize.html ( Code Search )

https://uberchromegw.corp.google.com/i/chromium.webkit/builders/WebKit%20Linu...

Original issue's description:
> Move FrameHost::m_subframeCount to Page
> 
> Move the field FrameHost::m_subframeCount to Page, and update
> FrameHost methods to directly call the equivalent Page method.
> 
> BUG=691794
> 
> Review-Url: https://codereview.chromium.org/2739033003
> Cr-Commit-Position: refs/heads/master@{#456321}
> Committed:
https://chromium.googlesource.com/chromium/src/+/eb7ffe6561358b82498f885544ff...

TBR=joelhockey@chromium.org,sashab@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=691794

Review-Url: https://codereview.chromium.org/2746873002
Cr-Commit-Position: refs/heads/master@{#456334}
Committed:
https://chromium.googlesource.com/chromium/src/+/214dd7fe513f8d06e76644c08db7...
==========

[commit-bot: I haz the power, 2017-03-13 08:04:58]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/214dd7fe513f8d06e76644c08db7...

[haraken, 2017-03-13 10:38:17]

LGTM (although I'm not sure if the CL is a real culprit.)