Revert 243469 "[telemetry] Implement per-pixel algorithms in Bit..."

> [telemetry] Implement per-pixel algorithms in Bitmap as a C++ extension.
> 
> The extension provides fast bitmap operations with no external
> dependencies. However, it is not available on all platforms.
> 
> BUG=323813
> TEST=telemetry bitmap_unittest
> R=bulach@chromium.org, tonyg@chromium.org
> 
> Review URL: https://codereview.chromium.org/121493004

TBR=szym@chromium.org

Review URL: https://codereview.chromium.org/127533002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@243478 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 243478