Revert of Use texture-backed VideoFrame pipeline for Aura desktop capturing.

Revert of Use texture-backed VideoFrame pipeline for Aura desktop capturing. (https://codereview.chromium.org/258663003/)

Reason for revert:
Likely cause of all Mac browser_tests failures

[4296:71427:0501/193356:FATAL:video_util.cc(145)] Check failed: !(view_area.height() & 1).
0   libbase.dylib                       0x698ac3ef base::debug::StackTrace::StackTrace() + 63
1   libbase.dylib                       0x698ac44b base::debug::StackTrace::StackTrace() + 43
2   libbase.dylib                       0x69951672 logging::LogMessage::~LogMessage() + 82
3   libbase.dylib                       0x699500eb logging::LogMessage::~LogMessage() + 43
4   libmedia.dylib                      0x67756110 media::LetterboxYUV(media::VideoFrame*, gfx::Rect const&) + 928
5   libmedia.dylib                      0x6775773c media::CopyRGBToVideoFrame(unsigned char const*, int, gfx::Rect const&, media::VideoFrame*) + 492
6   libcontent.dylib                    0x75f39814 content::(anonymous namespace)::RenderVideoFrame(SkBitmap const&, scoped_refptr\u003Cmedia::VideoFrame> const&, base::Callback\u003Cvoid ()(bool)> const&) + 2420

Original issue's description:
> Use texture-backed VideoFrame pipeline for Aura desktop capturing.
> 
> BUG=269312
> TEST=local build, run on CrOS snow
> 
> Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=267717

TBR=fischman@chromium.org,hshi@chromium.org
NOTREECHECKS=true
NOTRY=true
BUG=269312
Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=267733

[Lei Zhang, 2014-05-02 03:49:21]

Created Revert of Use texture-backed VideoFrame pipeline for Aura desktop
capturing.

[commit-bot: I haz the power, 2014-05-02 03:49:38]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/thestig@chromium.org/267813002/1

[commit-bot: I haz the power, 2014-05-02 03:50:20]

Change committed as 267733