Revert of Enable -Wunused-lambda-capture warning

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

[kjellander_webrtc, 2017-08-23 18:52:22]

The CQ bit was checked by kjellander@webrtc.org

[kjellander_webrtc, 2017-08-23 18:52:22]

Created Revert of Enable -Wunused-lambda-capture warning

[commit-bot: I haz the power, 2017-08-23 18:52:29]

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 18:52:34]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1503514342469800, "parent_rev":
"d7850b299bed6af1598800b051c9efda155d97b0", "commit_rev":
"aa0d2e694a965c72b5adc0c7779b81e850db46e6"}

[commit-bot: I haz the power, 2017-08-23 18:52:38]

Description was changed from

==========
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
==========

to

==========
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...
==========

[commit-bot: I haz the power, 2017-08-23 18:52:39]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/external/webrtc/+/aa0d2e694a965c72b5adc0c77...

[kjellander_webrtc, 2017-08-23 19:02:03]

On 2017/08/23 18:52:39, commit-bot: I haz the power wrote:
> Committed patchset #1 (id:1) as
>
https://chromium.googlesource.com/external/webrtc/+/aa0d2e694a965c72b5adc0c77...

Failure:
https://build.chromium.org/p/client.webrtc/builders/iOS%20API%20Framework%20B...

FAILED:
obj/webrtc/modules/congestion_controller/congestion_controller/bitrate_estimator.o

/b/c/goma_client/gomacc clang++ -MMD -MF
obj/webrtc/modules/congestion_controller/congestion_controller/bitrate_estimator.o.d
-DBWE_TEST_LOGGING_COMPILE_TIME_ENABLE=0 -DV8_DEPRECATION_WARNINGS -DNO_TCMALLOC
-DDISABLE_NACL -DCHROMIUM_BUILD -DFIELDTRIAL_TESTING_ENABLED
-DCR_CLANG_REVISION=\"310694-1\" -DCR_XCODE_VERSION=0800
-D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D_FORTIFY_SOURCE=2 -DNDEBUG
-DNVALGRIND -DDYNAMIC_ANNOTATIONS_ENABLED=0 -DNS_BLOCK_ASSERTIONS=1
-DWEBRTC_ENABLE_PROTOBUF=1 -DWEBRTC_INCLUDE_INTERNAL_AUDIO_DEVICE
-DEXPAT_RELATIVE_PATH -DRTC_DISABLE_VP9 -DHAVE_SCTP -DWEBRTC_ARCH_ARM64
-DWEBRTC_HAS_NEON -DWEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS=1 -DWEBRTC_POSIX
-DWEBRTC_MAC -DWEBRTC_IOS -I../.. -Igen -fno-strict-aliasing
--param=ssp-buffer-size=4 -fstack-protector -Wno-builtin-macro-redefined
-D__DATE__= -D__TIME__= -D__TIMESTAMP__= -fcolor-diagnostics -arch arm64 -Wall
-Werror -Wextra -Wundeclared-selector -Wno-missing-field-initializers
-Wno-unused-parameter -Wno-c++11-narrowing -Wno-covered-switch-default
-Wno-unneeded-internal-declaration -Wno-inconsistent-missing-override -Oz
-fno-omit-frame-pointer -gdwarf-2 -isysroot
/Applications/Xcode8.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS10.0.sdk
-stdlib=libc++ -miphoneos-version-min=8.0 -fembed-bitcode -fvisibility=hidden
-Wheader-hygiene -Wstring-conversion -Wtautological-overlap-compare -Wextra
-Wno-unused-parameter -Wno-missing-field-initializers -Wno-strict-overflow
-Wc++11-narrowing -Wimplicit-fallthrough -Wthread-safety
-Winconsistent-missing-override -Wundef -Wunused-lambda-capture -std=c++11
-fno-rtti -fno-exceptions -fvisibility-inlines-hidden -Wnon-virtual-dtor
-Woverloaded-virtual -c
../../webrtc/modules/congestion_controller/bitrate_estimator.cc -o
obj/webrtc/modules/congestion_controller/congestion_controller/bitrate_estimator.o
error: unknown warning option '-Wunused-lambda-capture'; did you mean
'-Wunused-parameter'? [-Werror,-Wunknown-warning-option]

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

A revert of this CL (patchset #1 id:1) has been created in
https://codereview.webrtc.org/3002203002/ by kjellander@webrtc.org.

The reason for reverting is: Creating base CL for reland (will update patch set
#2).