Revert of Implement color management for ImageData

Revert of Implement color management for ImageData (patchset #11 id:440001 of https://codereview.chromium.org/2555213002/ )

Reason for revert:
This caused Windows test failures on the perf waterfall. See http://crbug.com/680776

Original issue's description:
> Implement color management for ImageData
> 
> Implement color management for ImageData as described in this proposal:
> github.com/junov/CanvasColorSpace/blob/master/CanvasColorSpaceProposal.md
> 
> Intent to implement: https://groups.google.com/a/chromium.org/forum/#!topic/blink-dev/qu73qpdGunE
> 
> BUG=670712
> CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_optional_gpu_tests_rel;master.tryserver.chromium.mac:mac_optional_gpu_tests_rel;master.tryserver.chromium.win:win_optional_gpu_tests_rel
> 
> Review-Url: https://codereview.chromium.org/2555213002
> Cr-Commit-Position: refs/heads/master@{#442973}
> Committed: https://chromium.googlesource.com/chromium/src/+/7fb9535883e50ab0d7262ea8a0e8470934e57a9c

TBR=jochen@chromium.org,junov@chromium.org,zakerinasab@google.com,zakerinasab@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=670712

[sullivan, 2017-01-13 14:04:27]

The CQ bit was checked by sullivan@chromium.org

[sullivan, 2017-01-13 14:04:28]

Created Revert of Implement color management for ImageData

[commit-bot: I haz the power, 2017-01-13 14:04:54]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2017-01-13 14:06:46]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2017-01-13 14:06:47]

Try jobs failed on following builders:
  ios-device on master.tryserver.chromium.mac (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.mac/builders/ios-device/builds...)
  ios-device-xcode-clang on master.tryserver.chromium.mac (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.mac/builders/ios-device-xcode-...)
  ios-simulator on master.tryserver.chromium.mac (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.mac/builders/ios-simulator/bui...)
  ios-simulator-xcode-clang on master.tryserver.chromium.mac (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.mac/builders/ios-simulator-xco...)