Revert of [Mojo Video Capture] Adapt video_capture service to refactored video capture stack

Revert of [Mojo Video Capture] Adapt video_capture service to refactored video capture stack (patchset #3 id:100001 of https://codereview.chromium.org/2818513003/ )

Reason for revert:
FakeVideoCaptureDeviceDescriptorTest.AccessIsRevokedOnSecondAccess test is flaky.
https://test-results.appspot.com/dashboards/flakiness_dashboard.html#testType=service_unittests&tests=FakeVideoCaptureDeviceDescriptorTest.AccessIsRevokedOnSecondAccess

Original issue's description:
> [Mojo Video Capture] Adapt video_capture service to refactored video capture stack
> 
> This CL is part of the Mojo Video Capture work. For the bigger picture,
> see [1] CL22b.
> 
> Note: The video capture service implementation is currently in an incomplete and
> outdated state and its tests are disabled. With the refactoring of the legacy
> video capture stack now being complete, the next goal is to update the service
> implementation and fit it into the refactored stack.
> 
> Changes in this CL:
> * Update Mojo interfaces to more closely resemble their native counterparts.
>   - video_capture.mojom.Device offers functionality similar to
>     VideoCaptureDeviceLauncher + LaunchedVideoCaptureDevice.
>   - video_capture.mojom.DeviceFactory offers functionality similar to
>     media::VideoCaptureProvider.
>   - video_capture.mojom.Receiver offers functionality similar to
>     media::VideoFrameReceiver.
> * In the service implementation, use a VideoCaptureSystem instead of a
>   VideoCaptureDeviceFactory directly.
> * Add new adapter classes for plumbing between Mojo service and its usage in
>   the native code.
> * Re-enable existing video_capture_unittests and add a few more.
> 
> BUG=584797
> TEST=
>   service_unittests --gtest_filter="*Video*"
>   content_unittests --gtest_filter="*Video*"
>   content_browsertests --gtest_filter="VideoCaptureBrowserTest.*"
> 
> [1] https://docs.google.com/a/chromium.org/document/d/1Qw7rw1AJy0QHXjha36jZNiEuxsxWslJ_X-zpOhijvI8/edit?usp=sharing
> 
> Review-Url: https://codereview.chromium.org/2818513003
> Cr-Commit-Position: refs/heads/master@{#467398}
> Committed: https://chromium.googlesource.com/chromium/src/+/308b44e5bfb17c42ca3ea5b4fa5ed66c2698107b

TBR=mcasas@chromium.org,emircan@chromium.org,miu@chromium.org,ochang@chromium.org,chfremer@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=584797
Review-Url: https://codereview.chromium.org/2844813002
Cr-Commit-Position: refs/heads/master@{#467447}
Committed: https://chromium.googlesource.com/chromium/src/+/199e9a55bbdfb7015f8c4202af7cae54cca75a62

[alph, 2017-04-26 20:47:09]

The CQ bit was checked by alph@chromium.org

[alph, 2017-04-26 20:47:09]

Created Revert of [Mojo Video Capture] Adapt video_capture service to refactored
video capture stack

[commit-bot: I haz the power, 2017-04-26 20:48:08]

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, 2017-04-26 20:49:10]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1493239629434270, "parent_rev":
"3024459c9f7cd7783b63535623244a21e9d4d4e6", "commit_rev":
"199e9a55bbdfb7015f8c4202af7cae54cca75a62"}

[commit-bot: I haz the power, 2017-04-26 20:49:19]

Description was changed from

==========
Revert of [Mojo Video Capture] Adapt video_capture service to refactored video
capture stack (patchset #3 id:100001 of
https://codereview.chromium.org/2818513003/ )

Reason for revert:
FakeVideoCaptureDeviceDescriptorTest.AccessIsRevokedOnSecondAccess test is
flaky.
https://test-results.appspot.com/dashboards/flakiness_dashboard.html#testType...

Original issue's description:
> [Mojo Video Capture] Adapt video_capture service to refactored video capture
stack
> 
> This CL is part of the Mojo Video Capture work. For the bigger picture,
> see [1] CL22b.
> 
> Note: The video capture service implementation is currently in an incomplete
and
> outdated state and its tests are disabled. With the refactoring of the legacy
> video capture stack now being complete, the next goal is to update the service
> implementation and fit it into the refactored stack.
> 
> Changes in this CL:
> * Update Mojo interfaces to more closely resemble their native counterparts.
>   - video_capture.mojom.Device offers functionality similar to
>     VideoCaptureDeviceLauncher + LaunchedVideoCaptureDevice.
>   - video_capture.mojom.DeviceFactory offers functionality similar to
>     media::VideoCaptureProvider.
>   - video_capture.mojom.Receiver offers functionality similar to
>     media::VideoFrameReceiver.
> * In the service implementation, use a VideoCaptureSystem instead of a
>   VideoCaptureDeviceFactory directly.
> * Add new adapter classes for plumbing between Mojo service and its usage in
>   the native code.
> * Re-enable existing video_capture_unittests and add a few more.
> 
> BUG=584797
> TEST=
>   service_unittests --gtest_filter="*Video*"
>   content_unittests --gtest_filter="*Video*"
>   content_browsertests --gtest_filter="VideoCaptureBrowserTest.*"
> 
> [1]
https://docs.google.com/a/chromium.org/document/d/1Qw7rw1AJy0QHXjha36jZNiEuxs...
> 
> Review-Url: https://codereview.chromium.org/2818513003
> Cr-Commit-Position: refs/heads/master@{#467398}
> Committed:
https://chromium.googlesource.com/chromium/src/+/308b44e5bfb17c42ca3ea5b4fa5e...

TBR=mcasas@chromium.org,emircan@chromium.org,miu@chromium.org,ochang@chromium...
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=584797
==========

to

==========
Revert of [Mojo Video Capture] Adapt video_capture service to refactored video
capture stack (patchset #3 id:100001 of
https://codereview.chromium.org/2818513003/ )

Reason for revert:
FakeVideoCaptureDeviceDescriptorTest.AccessIsRevokedOnSecondAccess test is
flaky.
https://test-results.appspot.com/dashboards/flakiness_dashboard.html#testType...

Original issue's description:
> [Mojo Video Capture] Adapt video_capture service to refactored video capture
stack
> 
> This CL is part of the Mojo Video Capture work. For the bigger picture,
> see [1] CL22b.
> 
> Note: The video capture service implementation is currently in an incomplete
and
> outdated state and its tests are disabled. With the refactoring of the legacy
> video capture stack now being complete, the next goal is to update the service
> implementation and fit it into the refactored stack.
> 
> Changes in this CL:
> * Update Mojo interfaces to more closely resemble their native counterparts.
>   - video_capture.mojom.Device offers functionality similar to
>     VideoCaptureDeviceLauncher + LaunchedVideoCaptureDevice.
>   - video_capture.mojom.DeviceFactory offers functionality similar to
>     media::VideoCaptureProvider.
>   - video_capture.mojom.Receiver offers functionality similar to
>     media::VideoFrameReceiver.
> * In the service implementation, use a VideoCaptureSystem instead of a
>   VideoCaptureDeviceFactory directly.
> * Add new adapter classes for plumbing between Mojo service and its usage in
>   the native code.
> * Re-enable existing video_capture_unittests and add a few more.
> 
> BUG=584797
> TEST=
>   service_unittests --gtest_filter="*Video*"
>   content_unittests --gtest_filter="*Video*"
>   content_browsertests --gtest_filter="VideoCaptureBrowserTest.*"
> 
> [1]
https://docs.google.com/a/chromium.org/document/d/1Qw7rw1AJy0QHXjha36jZNiEuxs...
> 
> Review-Url: https://codereview.chromium.org/2818513003
> Cr-Commit-Position: refs/heads/master@{#467398}
> Committed:
https://chromium.googlesource.com/chromium/src/+/308b44e5bfb17c42ca3ea5b4fa5e...

TBR=mcasas@chromium.org,emircan@chromium.org,miu@chromium.org,ochang@chromium...
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=584797

Review-Url: https://codereview.chromium.org/2844813002
Cr-Commit-Position: refs/heads/master@{#467447}
Committed:
https://chromium.googlesource.com/chromium/src/+/199e9a55bbdfb7015f8c4202af7c...
==========

[commit-bot: I haz the power, 2017-04-26 20:49:21]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/199e9a55bbdfb7015f8c4202af7c...