Reland of land "media: Refactor MojoMediaClient" with fix.

Reland of land "media: Refactor MojoMediaClient" with fix. (patchset #2 id:260001 of https://codereview.chromium.org/1702453002/ )

Reason for revert:
Unrelated to https://crbug.com/586902. Relanding.

Original issue's description:
> Revert of Reland "media: Refactor MojoMediaClient" with fix. (patchset #2 id:20001 of https://codereview.chromium.org/1690213002/ )
>
> Reason for revert:
> Suspected to break a layout test on android.
> https://crbug.com/586902
>
> Original issue's description:
> > Reland "media: Refactor MojoMediaClient" with fix.
> >
> > This reverts commit 29775799918ebeb0f2aedd554722e3db0c6211c2.
> >
> > Instead of specifying a platform based MojoMediaClient at compile time,
> > provide the capability of setting one at run time. This improves the flexibility
> > of using MojoMediaApplication in different cases. For example, on desktop, we
> > may want to run the MojoMediaApplication in the utility process (for the CDM
> > service) and in the GPU process (for hardware decoding). In those two cases,
> > we'll want to specify two different MojoMediaClients even though we are on the
> > same platform.
> >
> > TBR=alokp@chromium.org
> > BUG=570357, 571155
>
> TBR=alokp@chromium.org,jam@chromium.org,thakis@chromium.org,xhwang@chromium.org
> # Not skipping CQ checks because original CL landed more than 1 days ago.
> BUG=586902, 570357, 571155
TBR=alokp@chromium.org,jam@chromium.org,thakis@chromium.org,xhwang@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=586902, 570357, 571155
Committed: https://crrev.com/c26ffdddc06e2ee306a31eca0905c1fe3287bcc7
Cr-Commit-Position: refs/heads/master@{#375491}

[hiroshige, 2016-02-15 21:51:08]

Created Reland of land "media: Refactor MojoMediaClient" with fix.

[commit-bot: I haz the power, 2016-02-15 21:51:17]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1697233002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1697233002/1

[commit-bot: I haz the power, 2016-02-15 21:51:58]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-02-16 22:50:49]

Description was changed from

==========
Reland of land "media: Refactor MojoMediaClient" with fix. (patchset #2
id:260001 of https://codereview.chromium.org/1702453002/ )

Reason for revert:
Unrelated to https://crbug.com/586902. Relanding.

Original issue's description:
> Revert of Reland "media: Refactor MojoMediaClient" with fix. (patchset #2
id:20001 of https://codereview.chromium.org/1690213002/ )
> 
> Reason for revert:
> Suspected to break a layout test on android.
> https://crbug.com/586902
> 
> Original issue's description:
> > Reland "media: Refactor MojoMediaClient" with fix.
> > 
> > This reverts commit 29775799918ebeb0f2aedd554722e3db0c6211c2.
> > 
> > Instead of specifying a platform based MojoMediaClient at compile time,
> > provide the capability of setting one at run time. This improves the
flexibility
> > of using MojoMediaApplication in different cases. For example, on desktop,
we
> > may want to run the MojoMediaApplication in the utility process (for the CDM
> > service) and in the GPU process (for hardware decoding). In those two cases,
> > we'll want to specify two different MojoMediaClients even though we are on
the
> > same platform.
> > 
> > TBR=alokp@chromium.org
> > BUG=570357,571155
> 
>
TBR=alokp@chromium.org,jam@chromium.org,thakis@chromium.org,xhwang@chromium.org
> # Not skipping CQ checks because original CL landed more than 1 days ago.
> BUG=586902,570357,571155

TBR=alokp@chromium.org,jam@chromium.org,thakis@chromium.org,xhwang@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=586902,570357,571155
==========

to

==========
Reland of land "media: Refactor MojoMediaClient" with fix. (patchset #2
id:260001 of https://codereview.chromium.org/1702453002/ )

Reason for revert:
Unrelated to https://crbug.com/586902. Relanding.

Original issue's description:
> Revert of Reland "media: Refactor MojoMediaClient" with fix. (patchset #2
id:20001 of https://codereview.chromium.org/1690213002/ )
>
> Reason for revert:
> Suspected to break a layout test on android.
> https://crbug.com/586902
>
> Original issue's description:
> > Reland "media: Refactor MojoMediaClient" with fix.
> >
> > This reverts commit 29775799918ebeb0f2aedd554722e3db0c6211c2.
> >
> > Instead of specifying a platform based MojoMediaClient at compile time,
> > provide the capability of setting one at run time. This improves the
flexibility
> > of using MojoMediaApplication in different cases. For example, on desktop,
we
> > may want to run the MojoMediaApplication in the utility process (for the CDM
> > service) and in the GPU process (for hardware decoding). In those two cases,
> > we'll want to specify two different MojoMediaClients even though we are on
the
> > same platform.
> >
> > TBR=alokp@chromium.org
> > BUG=570357,571155
>
>
TBR=alokp@chromium.org,jam@chromium.org,thakis@chromium.org,xhwang@chromium.org
> # Not skipping CQ checks because original CL landed more than 1 days ago.
> BUG=586902,570357,571155

TBR=alokp@chromium.org,jam@chromium.org,thakis@chromium.org,xhwang@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=586902,570357,571155

Committed: https://crrev.com/c26ffdddc06e2ee306a31eca0905c1fe3287bcc7
Cr-Commit-Position: refs/heads/master@{#375491}
==========

[commit-bot: I haz the power, 2016-02-16 22:50:49]

Patchset 1 (id:??) landed as
https://crrev.com/c26ffdddc06e2ee306a31eca0905c1fe3287bcc7
Cr-Commit-Position: refs/heads/master@{#375491}