Move DIP(WIndow) to Viewport conversion code for drag&drop from browser to renderer

Move DIP(WIndow) to Viewport conversion code for drag&drop from browser to renderer.

This is improvement to the original CL (https://codereview.chromium.org/1605143003). I should have done this way because most of conversion happens in RenderWidget/RenderViewImpl.

BUG=485650
Committed: https://crrev.com/4300f52e922e14a8f94f59ac55e86e640e9e7799
Cr-Commit-Position: refs/heads/master@{#376280}

[oshima, 2016-02-16 07:59:12]

The CQ bit was checked by oshima@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2016-02-16 07:59:36]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1703433002/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1703433002/20001

[commit-bot: I haz the power, 2016-02-16 09:04:56]

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

[commit-bot: I haz the power, 2016-02-16 09:04:56]

Dry run: This issue passed the CQ dry run.

[oshima, 2016-02-17 02:43:43]

Description was changed from

==========
Move conversion code from browser to renderer

BUG=
==========

to

==========
Move conversion code from browser to RenderViewImpl.

This is improvement to the original CL
(https://codereview.chromium.org/1605143003). I should have done this way
because most of conversion happens in RenderWidget/RenderViewImpl.

BUG=485650
==========

[oshima, 2016-02-17 02:43:43]

oshima@chromium.org changed reviewers:
+ sievers@chromium.org

[oshima, 2016-02-17 02:44:31]

Description was changed from

==========
Move conversion code from browser to RenderViewImpl.

This is improvement to the original CL
(https://codereview.chromium.org/1605143003). I should have done this way
because most of conversion happens in RenderWidget/RenderViewImpl.

BUG=485650
==========

to

==========
Move DIP(WIndow) to Viewport conversion code for drag&drop from browser to
renderer.

This is improvement to the original CL
(https://codereview.chromium.org/1605143003). I should have done this way
because most of conversion happens in RenderWidget/RenderViewImpl.

BUG=485650
==========

[no sievers, 2016-02-18 20:21:50]

lgtm

[oshima, 2016-02-18 20:22:43]

The CQ bit was checked by oshima@chromium.org

[commit-bot: I haz the power, 2016-02-18 20:25:40]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1703433002/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1703433002/20001

[commit-bot: I haz the power, 2016-02-18 21:51:11]

Description was changed from

==========
Move DIP(WIndow) to Viewport conversion code for drag&drop from browser to
renderer.

This is improvement to the original CL
(https://codereview.chromium.org/1605143003). I should have done this way
because most of conversion happens in RenderWidget/RenderViewImpl.

BUG=485650
==========

to

==========
Move DIP(WIndow) to Viewport conversion code for drag&drop from browser to
renderer.

This is improvement to the original CL
(https://codereview.chromium.org/1605143003). I should have done this way
because most of conversion happens in RenderWidget/RenderViewImpl.

BUG=485650
==========

[commit-bot: I haz the power, 2016-02-18 21:51:12]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2016-02-18 21:52:22]

Description was changed from

==========
Move DIP(WIndow) to Viewport conversion code for drag&drop from browser to
renderer.

This is improvement to the original CL
(https://codereview.chromium.org/1605143003). I should have done this way
because most of conversion happens in RenderWidget/RenderViewImpl.

BUG=485650
==========

to

==========
Move DIP(WIndow) to Viewport conversion code for drag&drop from browser to
renderer.

This is improvement to the original CL
(https://codereview.chromium.org/1605143003). I should have done this way
because most of conversion happens in RenderWidget/RenderViewImpl.

BUG=485650

Committed: https://crrev.com/4300f52e922e14a8f94f59ac55e86e640e9e7799
Cr-Commit-Position: refs/heads/master@{#376280}
==========

[commit-bot: I haz the power, 2016-02-18 21:52:23]

Patchset 2 (id:??) landed as
https://crrev.com/4300f52e922e14a8f94f59ac55e86e640e9e7799
Cr-Commit-Position: refs/heads/master@{#376280}