Make hosted app windows enable the toolbar for streamlined hosted apps.

The work in this CL is behind the enable-streamlined-hosted-apps flag.

This CL enables the toolbar for hosted apps. In order to do this, the
BrowserNonClientViews were made to handle having the toolbar without
the tabstrip.

BUG=

Review URL: https://codereview.chromium.org/26856003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@228887 0039d316-1c4b-4281-b951-d872f2087c98
Use TotalCount not redundant_count to determine if to call RecordDelta

RecordDelta asserts that TotalCount() > 0, but the caller checks
that redundant_count() > 0. The comments around redundant_count()
suggest that it need not always equal TotalCount().

BUG=174764

Review URL: https://codereview.chromium.org/26925006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@228888 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 228887
SVN changes up to revision 228888