Reland of Setting is_component_build to false by default

Reland of Setting is_component_build to false by default (patchset #1 id:1 of https://codereview.webrtc.org/2731703004/ )

Reason for revert:
Trying to fix this skipping the check if we are building webrtc within chromium.

Original issue's description:
> Revert of Setting is_component_build to false by default (patchset #5 id:80001 of https://codereview.webrtc.org/2728643003/ )
> 
> Reason for revert:
> Breaks chrome rolls
> 
> Original issue's description:
> > Setting is_component_build to false by default
> > 
> > Webrtc does not support component builds so we want to override
> > the chromium default value (which can be true on debug builds if the
> > os is different from iOS).
> > 
> > Please note that the user can set this value to true in two ways:
> > 
> >  - using --args (e.g.: gn gen out/default --args='is_component_build=true'
> >  - changing the value in the args.gn file
> > 
> > But in both cases the value will be ignored because we don't use the
> > 'component' template but we rely directly on 'rtc_static_library' and
> > 'rtc_shared_library'.
> > 
> > BUG=webrtc:6975
> > NOTRY=True
> > 
> > Review-Url: https://codereview.webrtc.org/2728643003
> > Cr-Commit-Position: refs/heads/master@{#17020}
> > Committed: https://chromium.googlesource.com/external/webrtc/+/2cb3944ba7e4467601ebd94888e1811a6d77be49
> 
> TBR=kjellander@webrtc.org,mbonadei@webrtc.org
> # Skipping CQ checks because original CL landed less than 1 days ago.
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=webrtc:6975
> 
> Review-Url: https://codereview.webrtc.org/2731703004
> Cr-Commit-Position: refs/heads/master@{#17025}
> Committed: https://chromium.googlesource.com/external/webrtc/+/2d9e7685a59c05e62c23d7125064c8e5c1f88edb

TBR=kjellander@webrtc.org,tommi@webrtc.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=webrtc:6975
Review-Url: https://codereview.webrtc.org/2729243003
Cr-Commit-Position: refs/heads/master@{#17027}
Committed: https://chromium.googlesource.com/external/webrtc/+/9660627c9dc3a9e53b66e6baa5417e16b964a744

[mbonadei, 2017-03-04 03:25:28]

Created Reland of Setting is_component_build to false by default

[kjellander_webrtc, 2017-03-04 03:40:23]

lgtm

[mbonadei, 2017-03-04 03:41:47]

The CQ bit was checked by mbonadei@webrtc.org

[commit-bot: I haz the power, 2017-03-04 03:41:55]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.webrtc.org/...

[commit-bot: I haz the power, 2017-03-04 03:42:00]

CQ is committing da patch.

Bot data: {"patchset_id": 100001, "attempt_start_ts": 1488598907044790,
"parent_rev": "3720262dc855cbaa49c07d6d8b541ef6f71ed7d5", "commit_rev":
"9660627c9dc3a9e53b66e6baa5417e16b964a744"}

[commit-bot: I haz the power, 2017-03-04 03:42:02]

Description was changed from

==========
Reland of Setting is_component_build to false by default (patchset #1 id:1 of
https://codereview.webrtc.org/2731703004/ )

Reason for revert:
Trying to fix this skipping the check if we are building webrtc within chromium.

Original issue's description:
> Revert of Setting is_component_build to false by default (patchset #5 id:80001
of https://codereview.webrtc.org/2728643003/ )
> 
> Reason for revert:
> Breaks chrome rolls
> 
> Original issue's description:
> > Setting is_component_build to false by default
> > 
> > Webrtc does not support component builds so we want to override
> > the chromium default value (which can be true on debug builds if the
> > os is different from iOS).
> > 
> > Please note that the user can set this value to true in two ways:
> > 
> >  - using --args (e.g.: gn gen out/default --args='is_component_build=true'
> >  - changing the value in the args.gn file
> > 
> > But in both cases the value will be ignored because we don't use the
> > 'component' template but we rely directly on 'rtc_static_library' and
> > 'rtc_shared_library'.
> > 
> > BUG=webrtc:6975
> > NOTRY=True
> > 
> > Review-Url: https://codereview.webrtc.org/2728643003
> > Cr-Commit-Position: refs/heads/master@{#17020}
> > Committed:
https://chromium.googlesource.com/external/webrtc/+/2cb3944ba7e4467601ebd9488...
> 
> TBR=kjellander@webrtc.org,mbonadei@webrtc.org
> # Skipping CQ checks because original CL landed less than 1 days ago.
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=webrtc:6975
> 
> Review-Url: https://codereview.webrtc.org/2731703004
> Cr-Commit-Position: refs/heads/master@{#17025}
> Committed:
https://chromium.googlesource.com/external/webrtc/+/2d9e7685a59c05e62c23d7125...

TBR=kjellander@webrtc.org,tommi@webrtc.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=webrtc:6975
==========

to

==========
Reland of Setting is_component_build to false by default (patchset #1 id:1 of
https://codereview.webrtc.org/2731703004/ )

Reason for revert:
Trying to fix this skipping the check if we are building webrtc within chromium.

Original issue's description:
> Revert of Setting is_component_build to false by default (patchset #5 id:80001
of https://codereview.webrtc.org/2728643003/ )
> 
> Reason for revert:
> Breaks chrome rolls
> 
> Original issue's description:
> > Setting is_component_build to false by default
> > 
> > Webrtc does not support component builds so we want to override
> > the chromium default value (which can be true on debug builds if the
> > os is different from iOS).
> > 
> > Please note that the user can set this value to true in two ways:
> > 
> >  - using --args (e.g.: gn gen out/default --args='is_component_build=true'
> >  - changing the value in the args.gn file
> > 
> > But in both cases the value will be ignored because we don't use the
> > 'component' template but we rely directly on 'rtc_static_library' and
> > 'rtc_shared_library'.
> > 
> > BUG=webrtc:6975
> > NOTRY=True
> > 
> > Review-Url: https://codereview.webrtc.org/2728643003
> > Cr-Commit-Position: refs/heads/master@{#17020}
> > Committed:
https://chromium.googlesource.com/external/webrtc/+/2cb3944ba7e4467601ebd9488...
> 
> TBR=kjellander@webrtc.org,mbonadei@webrtc.org
> # Skipping CQ checks because original CL landed less than 1 days ago.
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=webrtc:6975
> 
> Review-Url: https://codereview.webrtc.org/2731703004
> Cr-Commit-Position: refs/heads/master@{#17025}
> Committed:
https://chromium.googlesource.com/external/webrtc/+/2d9e7685a59c05e62c23d7125...

TBR=kjellander@webrtc.org,tommi@webrtc.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=webrtc:6975

Review-Url: https://codereview.webrtc.org/2729243003
Cr-Commit-Position: refs/heads/master@{#17027}
Committed:
https://chromium.googlesource.com/external/webrtc/+/9660627c9dc3a9e53b66e6baa...
==========

[commit-bot: I haz the power, 2017-03-04 03:42:03]

Committed patchset #2 (id:100001) as
https://chromium.googlesource.com/external/webrtc/+/9660627c9dc3a9e53b66e6baa...