The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/c0f485c00e97fb265b84a93b462f5b4f21eaf0f6

commit c0f485c00e97fb265b84a93b462f5b4f21eaf0f6
Author: tedchoc <tedchoc@chromium.org>
Date: Mon Aug 01 21:20:54 2016

Add a user action for when the home button is clicked.

"Home" matches the existing desktop user action.

BUG= 633326 

Review-Url: https://codereview.chromium.org/2203553002
Cr-Commit-Position: refs/heads/master@{#409058}

[modify] https://crrev.com/c0f485c00e97fb265b84a93b462f5b4f21eaf0f6/chrome/android/java/src/org/chromium/chrome/browser/toolbar/ToolbarManager.java

Great thanks - is it possible to merge this into m53?

Your change meets the bar and is auto-approved for M53 (branch: 2785)

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/aaa8ecd518ce53218449d3620bc31e1875ddc6ff

commit aaa8ecd518ce53218449d3620bc31e1875ddc6ff
Author: Ted Choc <tedchoc@google.com>
Date: Mon Aug 01 22:39:15 2016

Add a user action for when the home button is clicked.

"Home" matches the existing desktop user action.

BUG= 633326 

Review URL: https://codereview.chromium.org/2199113002 .

Review-Url: https://codereview.chromium.org/2203553002
Cr-Original-Commit-Position: refs/heads/master@{#409058}
Cr-Commit-Position: refs/branch-heads/2785@{#453}
Cr-Branched-From: 68623971be0cfc492a2cb0427d7f478e7b214c24-refs/heads/master@{#403382}

[modify] https://crrev.com/aaa8ecd518ce53218449d3620bc31e1875ddc6ff/chrome/android/java/src/org/chromium/chrome/browser/toolbar/ToolbarManager.java

Issue 540831 has been merged into this issue.