Add a method to query whether printing is active.

relevant downstream link: 
https://chrome-internal-review.googlesource.com/#/c/156479/

BUG=344057

Review URL: https://codereview.chromium.org/184343013

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@255994 0039d316-1c4b-4281-b951-d872f2087c98
Remove unsupported WebRtc test on Android.

The test WebRtcGetUserMediaBrowserTest.TraceVideoCaptureDeviceAndroidPerformanceDuringGetUserMedia
is not supported since content_browsertests always use faked capture device.

BUG=181069
R=mcasas@chromium.org

Review URL: https://codereview.chromium.org/191713002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@255995 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 255995
LSan: suppress a leak in BookmarkNodeData::ClipboardContainsBookmarks().

BUG=350125
TBR=erg@chromium.org
NOTRY=true

Review URL: https://codereview.chromium.org/192453008

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@255996 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 255996