Moving this nonessential bug to the next milestone.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/9d961d0a083fe4ebd8c200c31b87d75e4727958b

commit 9d961d0a083fe4ebd8c200c31b87d75e4727958b
Author: zqzhang <zqzhang@chromium.org>
Date: Mon Jul 11 19:53:39 2016

Measure whether muted videos that started playing with play() become visible at some point

BUG= 622720 

Review-Url: https://codereview.chromium.org/2108403003
Cr-Commit-Position: refs/heads/master@{#404710}

[modify] https://crrev.com/9d961d0a083fe4ebd8c200c31b87d75e4727958b/third_party/WebKit/LayoutTests/media/video-autoplay-experiment-modes-expected.txt
[modify] https://crrev.com/9d961d0a083fe4ebd8c200c31b87d75e4727958b/third_party/WebKit/Source/core/core.gypi
[add] https://crrev.com/9d961d0a083fe4ebd8c200c31b87d75e4727958b/third_party/WebKit/Source/core/html/AutoplayUmaHelper.cpp
[add] https://crrev.com/9d961d0a083fe4ebd8c200c31b87d75e4727958b/third_party/WebKit/Source/core/html/AutoplayUmaHelper.h
[modify] https://crrev.com/9d961d0a083fe4ebd8c200c31b87d75e4727958b/third_party/WebKit/Source/core/html/HTMLMediaElement.cpp
[modify] https://crrev.com/9d961d0a083fe4ebd8c200c31b87d75e4727958b/third_party/WebKit/Source/core/html/HTMLMediaElement.h
[modify] https://crrev.com/9d961d0a083fe4ebd8c200c31b87d75e4727958b/third_party/WebKit/Source/core/html/OWNERS
[modify] https://crrev.com/9d961d0a083fe4ebd8c200c31b87d75e4727958b/tools/metrics/histograms/histograms.xml

Not merging to M53 since the patch is a bit large for merge.

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/4a8c92c522776d84bfeff56855205fbb5771b785

commit 4a8c92c522776d84bfeff56855205fbb5771b785
Author: dbeam <dbeam@chromium.org>
Date: Tue Jul 12 21:30:56 2016

Revert "Measure whether muted videos that started playing with play() become visible at some point"

This reverts commit 9d961d0a083fe4ebd8c200c31b87d75e4727958b.

Seems to be leaking, broke WebKit Leak bots here:
https://build.chromium.org/p/chromium.webkit/builders/WebKit%20Linux%20Leak/builds/20963

BUG= 627539 , 622720 

TBR=zqzhang@chromium.org
NOTRY=true
NOPRESUBMIT=true
NOTREECHECKS=true

Review-Url: https://codereview.chromium.org/2141093003
Cr-Commit-Position: refs/heads/master@{#404836}

[modify] https://crrev.com/4a8c92c522776d84bfeff56855205fbb5771b785/third_party/WebKit/LayoutTests/media/video-autoplay-experiment-modes-expected.txt
[modify] https://crrev.com/4a8c92c522776d84bfeff56855205fbb5771b785/third_party/WebKit/Source/core/core.gypi
[delete] https://crrev.com/e2276c4abe46c25480470c3f6d6b968671a8a4df/third_party/WebKit/Source/core/html/AutoplayUmaHelper.cpp
[delete] https://crrev.com/e2276c4abe46c25480470c3f6d6b968671a8a4df/third_party/WebKit/Source/core/html/AutoplayUmaHelper.h
[modify] https://crrev.com/4a8c92c522776d84bfeff56855205fbb5771b785/third_party/WebKit/Source/core/html/HTMLMediaElement.cpp
[modify] https://crrev.com/4a8c92c522776d84bfeff56855205fbb5771b785/third_party/WebKit/Source/core/html/HTMLMediaElement.h
[modify] https://crrev.com/4a8c92c522776d84bfeff56855205fbb5771b785/third_party/WebKit/Source/core/html/OWNERS
[modify] https://crrev.com/4a8c92c522776d84bfeff56855205fbb5771b785/tools/metrics/histograms/histograms.xml

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/061ad2b0252c21ba4adf49f6cd8ba63db1e89b02

commit 061ad2b0252c21ba4adf49f6cd8ba63db1e89b02
Author: zqzhang <zqzhang@chromium.org>
Date: Tue Aug 16 11:34:19 2016

Reland: Measure whether muted videos that started playing with play() become visible at some point

Relanding previous CL (https://codereview.chromium.org/2108403003)
after the memory leak and crash have been fixed.

Marking as TBR since the previous CL has already been reviewed.

BUG= 622720 
TBR=haraken@chromium.org,mlamouri@chromium.org,rkaplow@chromium.org

Review-Url: https://codereview.chromium.org/2154303002
Cr-Commit-Position: refs/heads/master@{#412214}

[modify] https://crrev.com/061ad2b0252c21ba4adf49f6cd8ba63db1e89b02/third_party/WebKit/LayoutTests/media/video-autoplay-experiment-modes-expected.txt
[modify] https://crrev.com/061ad2b0252c21ba4adf49f6cd8ba63db1e89b02/third_party/WebKit/Source/core/core.gypi
[add] https://crrev.com/061ad2b0252c21ba4adf49f6cd8ba63db1e89b02/third_party/WebKit/Source/core/html/AutoplayUmaHelper.cpp
[add] https://crrev.com/061ad2b0252c21ba4adf49f6cd8ba63db1e89b02/third_party/WebKit/Source/core/html/AutoplayUmaHelper.h
[modify] https://crrev.com/061ad2b0252c21ba4adf49f6cd8ba63db1e89b02/third_party/WebKit/Source/core/html/HTMLMediaElement.cpp
[modify] https://crrev.com/061ad2b0252c21ba4adf49f6cd8ba63db1e89b02/third_party/WebKit/Source/core/html/HTMLMediaElement.h
[modify] https://crrev.com/061ad2b0252c21ba4adf49f6cd8ba63db1e89b02/third_party/WebKit/Source/core/html/OWNERS
[modify] https://crrev.com/061ad2b0252c21ba4adf49f6cd8ba63db1e89b02/tools/metrics/histograms/histograms.xml