Make SQLiteServerBoundCertStore use blocking pool instead of DB thread.

BUG=292393

Review URL: https://codereview.chromium.org/25845003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@227689 0039d316-1c4b-4281-b951-d872f2087c98
Rename PasswordGenerationManager to PasswordGenerationAgent

BUG=

Review URL: https://codereview.chromium.org/25892006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@227690 0039d316-1c4b-4281-b951-d872f2087c98
Add WebContentsObserver options for NOTIFICATION_WEB_CONTENTS_VISIBILITY_CHANGED.

BUG=170921
TEST=everything still works

Review URL: https://codereview.chromium.org/26552002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@227691 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 227690
app_list: Use only icon for drag image for non-aura win.

BUG=299620

Review URL: https://codereview.chromium.org/26562003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@227692 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 227692