[Android] Allow the intent to be cancelled.

showCancelableIntent() could be used to get a request code for
cancelIntent(int).

BUG=328205

Review URL: https://codereview.chromium.org/100173007

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@240823 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 240823
[chromedriver] Release version 2.8.

BUG=None
TEST=None
NOTRY=true

Review URL: https://codereview.chromium.org/101113005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@240824 0039d316-1c4b-4281-b951-d872f2087c98
Add method for updating an article in reading list.

Currently items are only added when distillation is complete. Change
behavior so that AddUrl always adds an article to the reading list and
on distillation the article is actually updated.

BUG=288015
TBR=joi@chromium.org
NOTRY=true

Review URL: https://codereview.chromium.org/112313002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@240825 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 240824
SVN changes up to revision 240825