https://codereview.chromium.org/150573004/ introduced them due to a confusion on how they worked in relation to histograms.

BUG=329265

Review URL: https://codereview.chromium.org/179443005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@253457 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 253457
Enable bookmark re-ordering for the new Android bookmark page.

BUG=342823

Review URL: https://codereview.chromium.org/158173005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@253458 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 253458
Fix EventDispatcherDelegate::DispatchEvent() to correctly set EventDispatchDetails::target_destroyed

BUG=342867
TEST=EventDispatcherTest.*

Review URL: https://codereview.chromium.org/169963005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@253459 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 253459