Makes tooltip reshow in the following circumstances

. Move mouse to v1, wait for tooltip to show.
. Click on v1.
. Move mouse to v2, then back to v1.

I'm using v1/v2 to mean views, but it really means regions of the same
window with different tooltips.

BUG=306131
TEST=covered by test.
R=varunjain@chromium.org

Review URL: https://codereview.chromium.org/110253004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@241459 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 241459
Getting rid of GetDefaultProfile

BUG=322682
TEST=unit test

Review URL: https://codereview.chromium.org/117253004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@241460 0039d316-1c4b-4281-b951-d872f2087c98
GN fixes

Remove references to files that don't exist.
Replace all x32 to x86.

BUG=None

Review URL: https://codereview.chromium.org/117673003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@241461 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 241461