Reland: Fix incorrect sign in scroll and content box offset in absoluteToLocalPoint.

Reland:

Fix incorrect sign in scroll and content box offset in absoluteToLocalPoint.
Also, refactored the tests a bit to share more code for iframes and reduce boilerplate. (https://codereview.chromium.org/1504363004)

Now compiles with Oilpan.

TBR=wangxianzhu@chromium.org
BUG=566238
Committed: https://crrev.com/437435aad459dd054b5c0e9a7e5b09ebcac6d902
Cr-Commit-Position: refs/heads/master@{#364198}

[chrishtr, 2015-12-09 17:31:48]

Description was changed from

==========
none


Merge branch 'master' into scroll


none


Fix incorrect sign in scroll and content box offset in absoluteToLocalPoint.

Also, refactored the tests a bit to share more code for iframes and reduce
boilerplate.

BUG=566238

Committed: https://crrev.com/64465ad537a0f12d961522fba24ed12ff12886c0
Cr-Commit-Position: refs/heads/master@{#363865}

patch from issue 1504363004 at patchset 20001
(http://crrev.com/1504363004#ps20001)
==========

to

==========
Reland:

Fix incorrect sign in scroll and content box offset in absoluteToLocalPoint.
Also, refactored the tests a bit to share more code for iframes and reduce
boilerplate.

Now compiles with Oilpan.

BUG=566238
==========

[chrishtr, 2015-12-09 17:31:56]

Description was changed from

==========
Reland:

Fix incorrect sign in scroll and content box offset in absoluteToLocalPoint.
Also, refactored the tests a bit to share more code for iframes and reduce
boilerplate.

Now compiles with Oilpan.

BUG=566238
==========

to

==========
Reland:

Fix incorrect sign in scroll and content box offset in absoluteToLocalPoint.
Also, refactored the tests a bit to share more code for iframes and reduce
boilerplate.

Now compiles with Oilpan.

TBR=wangxianzhu
BUG=566238
==========

[chrishtr, 2015-12-09 17:32:04]

Description was changed from

==========
Reland:

Fix incorrect sign in scroll and content box offset in absoluteToLocalPoint.
Also, refactored the tests a bit to share more code for iframes and reduce
boilerplate.

Now compiles with Oilpan.

TBR=wangxianzhu
BUG=566238
==========

to

==========
Reland:

Fix incorrect sign in scroll and content box offset in absoluteToLocalPoint.
Also, refactored the tests a bit to share more code for iframes and reduce
boilerplate.

Now compiles with Oilpan.

TBR=wangxianzhu@chromium.org
BUG=566238
==========

[chrishtr, 2015-12-09 17:32:15]

Description was changed from

==========
Reland:

Fix incorrect sign in scroll and content box offset in absoluteToLocalPoint.
Also, refactored the tests a bit to share more code for iframes and reduce
boilerplate.

Now compiles with Oilpan.

TBR=wangxianzhu@chromium.org
BUG=566238
==========

to

==========
Reland:

Fix incorrect sign in scroll and content box offset in absoluteToLocalPoint.
Also, refactored the tests a bit to share more code for iframes and reduce
boilerplate. (https://codereview.chromium.org/1504363004)

Now compiles with Oilpan.

TBR=wangxianzhu@chromium.org
BUG=566238
==========

[chrishtr, 2015-12-09 17:32:23]

The CQ bit was checked by chrishtr@chromium.org

[commit-bot: I haz the power, 2015-12-09 17:37:05]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1511183003/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1511183003/1

[commit-bot: I haz the power, 2015-12-09 19:43:21]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2015-12-09 19:43:22]

Try jobs failed on following builders:
  win_chromium_rel_ng on tryserver.chromium.win (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.win/builders/win_chromium_rel_...)

[chrishtr, 2015-12-09 19:47:37]

The CQ bit was checked by chrishtr@chromium.org

[commit-bot: I haz the power, 2015-12-09 19:49:40]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1511183003/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1511183003/1

[commit-bot: I haz the power, 2015-12-09 23:11:55]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-12-09 23:13:05]

Description was changed from

==========
Reland:

Fix incorrect sign in scroll and content box offset in absoluteToLocalPoint.
Also, refactored the tests a bit to share more code for iframes and reduce
boilerplate. (https://codereview.chromium.org/1504363004)

Now compiles with Oilpan.

TBR=wangxianzhu@chromium.org
BUG=566238
==========

to

==========
Reland:

Fix incorrect sign in scroll and content box offset in absoluteToLocalPoint.
Also, refactored the tests a bit to share more code for iframes and reduce
boilerplate. (https://codereview.chromium.org/1504363004)

Now compiles with Oilpan.

TBR=wangxianzhu@chromium.org
BUG=566238

Committed: https://crrev.com/437435aad459dd054b5c0e9a7e5b09ebcac6d902
Cr-Commit-Position: refs/heads/master@{#364198}
==========

[commit-bot: I haz the power, 2015-12-09 23:13:06]

Patchset 1 (id:??) landed as
https://crrev.com/437435aad459dd054b5c0e9a7e5b09ebcac6d902
Cr-Commit-Position: refs/heads/master@{#364198}

[johnme, 2015-12-10 14:24:14]

A revert of this CL (patchset #1 id:1) has been created in
https://codereview.chromium.org/1510233006/ by johnme@chromium.org.

The reason for reverting is: Caused the following tests to fail reliably on
https://build.chromium.org/p/chromium.webkit/builders/WebKit%20Android%20%28N...:

[FAIL] CompositedLayerMappingTest.InterestRectOfIframeWithContentBoxOffset:
[ RUN      ] CompositedLayerMappingTest.InterestRectOfIframeWithContentBoxOffset
[INFO:SkFontMgr_android_parser.cpp(597)] [SkFontMgr Android Parser]
'/system/etc/fonts.xml' could not be opened

[INFO:SkFontMgr_android_parser.cpp(597)] [SkFontMgr Android Parser]
'/vendor/etc/fallback_fonts.xml' could not be opened

../../third_party/WebKit/Source/core/layout/compositing/CompositedLayerMappingTest.cpp:579:
Failure
Value of: actualRect.width()
  Actual: 500
Expected: IntRect(0, 0, 485, 7500).width()
Which is: 485
[  FAILED  ] CompositedLayerMappingTest.InterestRectOfIframeWithContentBoxOffset
(43 ms)
[FAIL] CompositedLayerMappingTest.InterestRectOfScrolledIframe:
[ RUN      ] CompositedLayerMappingTest.InterestRectOfScrolledIframe
[INFO:SkFontMgr_android_parser.cpp(597)] [SkFontMgr Android Parser]
'/system/etc/fonts.xml' could not be opened

[INFO:SkFontMgr_android_parser.cpp(597)] [SkFontMgr Android Parser]
'/vendor/etc/fallback_fonts.xml' could not be opened

../../third_party/WebKit/Source/core/layout/compositing/CompositedLayerMappingTest.cpp:556:
Failure
Value of: actualRect.width()
  Actual: 500
Expected: IntRect(0, 3500, 485, 4500).width()
Which is: 485
[  FAILED  ] CompositedLayerMappingTest.InterestRectOfScrolledIframe (50 ms).