Change AddList to take a completion callback.

 AddList now takes a completion callback. This callback is invoked when
 distillation is complete with the status of distillation. Clients can
 add an item to the list and then use callback to update their state
 when distillation finishes or gets cancelled.

 BUG=288015

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=241768

Review URL: https://codereview.chromium.org/105393008

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@241819 0039d316-1c4b-4281-b951-d872f2087c98
Suppress uninitialized floating-point copy in autofill::DetailInput::DetailInput

TBR=zhaoqin@chromium.org
BUG=

Review URL: https://codereview.chromium.org/118973002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@241820 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 241820
Add myself to the owners of third_party/instrumented_libraries

TBR=cpu@chromium.org

Review URL: https://codereview.chromium.org/101863008

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@241821 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 241821