mac: Fix screen capture for whole-desktop capture.

mac: Fix screen capture for whole-desktop capture.

DisplayStream refresh rects are in display coordinates. When the whole screen is
being captured, the coordinates passed to the ScreenCapturerHelper need to be in
screen coordinates. This CL translates display coordinates to screen
coordinates for whole screen capture.

BUG=chromium:699672
Review-Url: https://codereview.webrtc.org/2740823002
Cr-Commit-Position: refs/heads/master@{#17153}
(cherry picked from commit 31bbee73a029376ca5a6f74e3d5bf224053a6208)

Review-Url: https://codereview.webrtc.org/2755663004 .
Cr-Commit-Position: refs/branch-heads/58@{#4}
Cr-Branched-From: f31969a584bcafe9406c214a9d4c3afb49d19650-refs/heads/master@{#16937}
Committed: https://chromium.googlesource.com/external/webrtc/+/5810d27a9b13fe581282acc33350525be43e6f95

[Sergey Ulanov, 2017-03-15 18:40:15]

Description was changed from

==========
mac: Fix screen capture for whole-desktop capture.

DisplayStream refresh rects are in display coordinates. When the whole screen is
being captured, the coordinates passed to the ScreenCapturerHelper need to be in
screen coordinates. This CL translates display coordinates to screen
coordinates for whole screen capture.

BUG=chromium:699672

Review-Url: https://codereview.webrtc.org/2740823002
Cr-Commit-Position: refs/heads/master@{#17153}
(cherry picked from commit 31bbee73a029376ca5a6f74e3d5bf224053a6208)
==========

to

==========
mac: Fix screen capture for whole-desktop capture.

DisplayStream refresh rects are in display coordinates. When the whole screen is
being captured, the coordinates passed to the ScreenCapturerHelper need to be in
screen coordinates. This CL translates display coordinates to screen
coordinates for whole screen capture.

BUG=chromium:699672

Review-Url: https://codereview.webrtc.org/2740823002
Cr-Commit-Position: refs/heads/master@{#17153}
(cherry picked from commit 31bbee73a029376ca5a6f74e3d5bf224053a6208)

Review-Url: https://codereview.webrtc.org/2755663004 .
Cr-Commit-Position: refs/branch-heads/58@{#4}
Cr-Branched-From:
f31969a584bcafe9406c214a9d4c3afb49d19650-refs/heads/master@{#16937}
Committed:
https://chromium.googlesource.com/external/webrtc/+/5810d27a9b13fe581282acc33...
==========

[Sergey Ulanov, 2017-03-15 18:40:16]

Committed patchset #1 (id:1) manually as
5810d27a9b13fe581282acc33350525be43e6f95.