Reland of Enable -Wunused-lambda-capture warning

Reland of Enable -Wunused-lambda-capture warning (patchset #1 id:1 of https://codereview.webrtc.org/3007483002/ )

Reason for revert:
Relanding not enabling the warning if Xcode clang is used.
See https://cs.chromium.org/chromium/src/build/config/compiler/BUILD.gn?rcl=9de57af4acd3e74cde57e62dd48e58290eeb1481&l=1216
for details.

Original issue's description:
> Revert of Enable -Wunused-lambda-capture warning (patchset #1 id:1 of https://codereview.webrtc.org/2999403002/ )
> 
> Reason for revert:
> Breaks iOS framework builder.
> 
> Original issue's description:
> > Enable -Wunused-lambda-capture warning
> > 
> > This should prevent some build errors downstream.
> > The warning is currrently disabled in Chromium:
> > https://cs.chromium.org/chromium/src/build/config/compiler/BUILD.gn?rcl=735aa36217a394455f70aad87e2c844053fd810a&l=1214
> > (see https://crbug.com/681136 for more info).
> > 
> > BUG=webrtc:7133
> > NOTRY=True
> > 
> > Review-Url: https://codereview.webrtc.org/2999403002
> > Cr-Commit-Position: refs/heads/master@{#19466}
> > Committed: https://chromium.googlesource.com/external/webrtc/+/fd7cffa43366d5fb8a95da71fffa7f872037fefe
> 
> TBR=charujain@webrtc.org,charujain@google.com
> # Skipping CQ checks because original CL landed less than 1 days ago.
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=webrtc:7133
> 
> Review-Url: https://codereview.webrtc.org/3007483002
> Cr-Commit-Position: refs/heads/master@{#19473}
> Committed: https://chromium.googlesource.com/external/webrtc/+/aa0d2e694a965c72b5adc0c7779b81e850db46e6

TBR=charujain@webrtc.org,charujain@google.com
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=webrtc:7133
Review-Url: https://codereview.webrtc.org/3002203002
Cr-Commit-Position: refs/heads/master@{#19475}
Committed: https://chromium.googlesource.com/external/webrtc/+/d4ab933e2c6142e0d398b0afd30626b476f7082f

[kjellander_webrtc, 2017-08-23 19:02:39]

Created Reland of Enable -Wunused-lambda-capture warning

[kjellander_webrtc, 2017-08-23 19:04:39]

Description was changed from

==========
Reland of Enable -Wunused-lambda-capture warning (patchset #1 id:1 of
https://codereview.webrtc.org/3007483002/ )

Reason for revert:
Creating base CL for reland (will update patch set #2)

Original issue's description:
> Revert of Enable -Wunused-lambda-capture warning (patchset #1 id:1 of
https://codereview.webrtc.org/2999403002/ )
> 
> Reason for revert:
> Breaks iOS framework builder.
> 
> Original issue's description:
> > Enable -Wunused-lambda-capture warning
> > 
> > This should prevent some build errors downstream.
> > The warning is currrently disabled in Chromium:
> >
https://cs.chromium.org/chromium/src/build/config/compiler/BUILD.gn?rcl=735aa...
> > (see https://crbug.com/681136 for more info).
> > 
> > BUG=webrtc:7133
> > NOTRY=True
> > 
> > Review-Url: https://codereview.webrtc.org/2999403002
> > Cr-Commit-Position: refs/heads/master@{#19466}
> > Committed:
https://chromium.googlesource.com/external/webrtc/+/fd7cffa43366d5fb8a95da71f...
> 
> TBR=charujain@webrtc.org,charujain@google.com
> # Skipping CQ checks because original CL landed less than 1 days ago.
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=webrtc:7133
> 
> Review-Url: https://codereview.webrtc.org/3007483002
> Cr-Commit-Position: refs/heads/master@{#19473}
> Committed:
https://chromium.googlesource.com/external/webrtc/+/aa0d2e694a965c72b5adc0c77...

TBR=charujain@webrtc.org,charujain@google.com
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=webrtc:7133
==========

to

==========
Reland of Enable -Wunused-lambda-capture warning (patchset #1 id:1 of
https://codereview.webrtc.org/3007483002/ )

Reason for revert:
Relanding not enabling the warning if Xcode clang is used.
See
https://cs.chromium.org/chromium/src/build/config/compiler/BUILD.gn?rcl=9de57...
for details.

Original issue's description:
> Revert of Enable -Wunused-lambda-capture warning (patchset #1 id:1 of
https://codereview.webrtc.org/2999403002/ )
> 
> Reason for revert:
> Breaks iOS framework builder.
> 
> Original issue's description:
> > Enable -Wunused-lambda-capture warning
> > 
> > This should prevent some build errors downstream.
> > The warning is currrently disabled in Chromium:
> >
https://cs.chromium.org/chromium/src/build/config/compiler/BUILD.gn?rcl=735aa...
> > (see https://crbug.com/681136 for more info).
> > 
> > BUG=webrtc:7133
> > NOTRY=True
> > 
> > Review-Url: https://codereview.webrtc.org/2999403002
> > Cr-Commit-Position: refs/heads/master@{#19466}
> > Committed:
https://chromium.googlesource.com/external/webrtc/+/fd7cffa43366d5fb8a95da71f...
> 
> TBR=charujain@webrtc.org,charujain@google.com
> # Skipping CQ checks because original CL landed less than 1 days ago.
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=webrtc:7133
> 
> Review-Url: https://codereview.webrtc.org/3007483002
> Cr-Commit-Position: refs/heads/master@{#19473}
> Committed:
https://chromium.googlesource.com/external/webrtc/+/aa0d2e694a965c72b5adc0c77...

TBR=charujain@webrtc.org,charujain@google.com
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=webrtc:7133
==========

[kjellander_webrtc, 2017-08-23 19:28:36]

Looks good, my mistake to not run that bot in my previous CL :(

[kjellander_webrtc, 2017-08-23 19:31:17]

The CQ bit was checked by kjellander@webrtc.org

[commit-bot: I haz the power, 2017-08-23 19:31:28]

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, 2017-08-23 19:31:32]

CQ is committing da patch.

Bot data: {"patchset_id": 40001, "attempt_start_ts": 1503516677010960,
"parent_rev": "dab31ce1fa39c2fe3ce0f9f7b3a2054bc9344a5d", "commit_rev":
"d4ab933e2c6142e0d398b0afd30626b476f7082f"}

[commit-bot: I haz the power, 2017-08-23 19:31:36]

Description was changed from

==========
Reland of Enable -Wunused-lambda-capture warning (patchset #1 id:1 of
https://codereview.webrtc.org/3007483002/ )

Reason for revert:
Relanding not enabling the warning if Xcode clang is used.
See
https://cs.chromium.org/chromium/src/build/config/compiler/BUILD.gn?rcl=9de57...
for details.

Original issue's description:
> Revert of Enable -Wunused-lambda-capture warning (patchset #1 id:1 of
https://codereview.webrtc.org/2999403002/ )
> 
> Reason for revert:
> Breaks iOS framework builder.
> 
> Original issue's description:
> > Enable -Wunused-lambda-capture warning
> > 
> > This should prevent some build errors downstream.
> > The warning is currrently disabled in Chromium:
> >
https://cs.chromium.org/chromium/src/build/config/compiler/BUILD.gn?rcl=735aa...
> > (see https://crbug.com/681136 for more info).
> > 
> > BUG=webrtc:7133
> > NOTRY=True
> > 
> > Review-Url: https://codereview.webrtc.org/2999403002
> > Cr-Commit-Position: refs/heads/master@{#19466}
> > Committed:
https://chromium.googlesource.com/external/webrtc/+/fd7cffa43366d5fb8a95da71f...
> 
> TBR=charujain@webrtc.org,charujain@google.com
> # Skipping CQ checks because original CL landed less than 1 days ago.
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=webrtc:7133
> 
> Review-Url: https://codereview.webrtc.org/3007483002
> Cr-Commit-Position: refs/heads/master@{#19473}
> Committed:
https://chromium.googlesource.com/external/webrtc/+/aa0d2e694a965c72b5adc0c77...

TBR=charujain@webrtc.org,charujain@google.com
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=webrtc:7133
==========

to

==========
Reland of Enable -Wunused-lambda-capture warning (patchset #1 id:1 of
https://codereview.webrtc.org/3007483002/ )

Reason for revert:
Relanding not enabling the warning if Xcode clang is used.
See
https://cs.chromium.org/chromium/src/build/config/compiler/BUILD.gn?rcl=9de57...
for details.

Original issue's description:
> Revert of Enable -Wunused-lambda-capture warning (patchset #1 id:1 of
https://codereview.webrtc.org/2999403002/ )
> 
> Reason for revert:
> Breaks iOS framework builder.
> 
> Original issue's description:
> > Enable -Wunused-lambda-capture warning
> > 
> > This should prevent some build errors downstream.
> > The warning is currrently disabled in Chromium:
> >
https://cs.chromium.org/chromium/src/build/config/compiler/BUILD.gn?rcl=735aa...
> > (see https://crbug.com/681136 for more info).
> > 
> > BUG=webrtc:7133
> > NOTRY=True
> > 
> > Review-Url: https://codereview.webrtc.org/2999403002
> > Cr-Commit-Position: refs/heads/master@{#19466}
> > Committed:
https://chromium.googlesource.com/external/webrtc/+/fd7cffa43366d5fb8a95da71f...
> 
> TBR=charujain@webrtc.org,charujain@google.com
> # Skipping CQ checks because original CL landed less than 1 days ago.
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=webrtc:7133
> 
> Review-Url: https://codereview.webrtc.org/3007483002
> Cr-Commit-Position: refs/heads/master@{#19473}
> Committed:
https://chromium.googlesource.com/external/webrtc/+/aa0d2e694a965c72b5adc0c77...

TBR=charujain@webrtc.org,charujain@google.com
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=webrtc:7133

Review-Url: https://codereview.webrtc.org/3002203002
Cr-Commit-Position: refs/heads/master@{#19475}
Committed:
https://chromium.googlesource.com/external/webrtc/+/d4ab933e2c6142e0d398b0afd...
==========

[commit-bot: I haz the power, 2017-08-23 19:31:37]

Committed patchset #2 (id:40001) as
https://chromium.googlesource.com/external/webrtc/+/d4ab933e2c6142e0d398b0afd...