The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/73654d12ae4d7758529f81d322b117b348ef4c68

commit 73654d12ae4d7758529f81d322b117b348ef4c68
Author: Reza.Zakerinasab <zakerinasab@chromium.org>
Date: Thu Aug 24 16:43:49 2017

Add proper usage counters for createImageBitmap

This CL adds a number of use counters for createImageBitmap from different
sources.

Bug:  751195 
Change-Id: I17cada39c90ef4e4ac6d799b9eb5905d103d389c
Reviewed-on: https://chromium-review.googlesource.com/617641
Reviewed-by: Justin Novosad <junov@chromium.org>
Reviewed-by: Alexei Svitkine (very slow) <asvitkine@chromium.org>
Reviewed-by: Xida Chen <xidachen@chromium.org>
Commit-Queue: Mohammad Reza Zakerinasab <zakerinasab@chromium.org>
Cr-Commit-Position: refs/heads/master@{#497083}
[modify] https://crrev.com/73654d12ae4d7758529f81d322b117b348ef4c68/third_party/WebKit/Source/core/imagebitmap/ImageBitmapFactories.cpp
[modify] https://crrev.com/73654d12ae4d7758529f81d322b117b348ef4c68/tools/metrics/histograms/enums.xml
[modify] https://crrev.com/73654d12ae4d7758529f81d322b117b348ef4c68/tools/metrics/histograms/histograms.xml