Quieter cab extraction

Quieter cab extraction

Suppress stdout of 'expand' command unless there's an error.

i.e.

"""
[2294->7960/10271 ~17] ACTION content_common: extract_xinput
Microsoft (R) File Expansion Utility  Version 6.1.7600.16385
Copyright (c) Microsoft Corporation. All rights reserved.

Adding ../out/Debug\tmpamaser\xinput1_3.dll to Extraction Queue

Expanding Files ....

Expanding Files Complete ...
[2164->8090/10271 ~17] ACTION content_gpu: extract_d3dx9
Microsoft (R) File Expansion Utility  Version 6.1.7600.16385
Copyright (c) Microsoft Corporation. All rights reserved.

Adding ../out/Debug\tmpcxuoz9\d3dx9_43.dll to Extraction Queue

Expanding Files ....

Expanding Files Complete ...
[2163->8091/10271 ~17] ACTION content_gpu: extract_d3dcompiler
Microsoft (R) File Expansion Utility  Version 6.1.7600.16385
Copyright (c) Microsoft Corporation. All rights reserved.

Adding ../out/Debug\tmploys57\D3DCompiler_43.dll to Extraction Queue

Expanding Files ....

Expanding Files Complete ...
"""

R=apatrick@chromium.org
BUG=126483
Committed: http://src.chromium.org/viewvc/chrome?view=rev&revision=138442

[apatrick_chromium, 2012-05-23 00:12:03]

lgtm

[commit-bot: I haz the power, 2012-05-23 02:14:44]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/scottmg@chromium.org/10409086/1

[commit-bot: I haz the power, 2012-05-23 02:40:59]

Try job failure for 10409086-1 (retry) on linux_rel for step "compile" (clobber
build).
It's a second try, previously, step "compile" failed.
http://build.chromium.org/p/tryserver.chromium/buildstatus?builder=linux_rel&...

[commit-bot: I haz the power, 2012-05-23 05:14:11]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/scottmg@chromium.org/10409086/1

[commit-bot: I haz the power, 2012-05-23 07:09:00]

Change committed as 138442