Exclude profile and managed user strings for platforms that don't use it.

BUG=326023
NOTRY=true

Review URL: https://codereview.chromium.org/160183003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@250831 0039d316-1c4b-4281-b951-d872f2087c98
Magnification controller: fix incorrect point of interest.

MagnificationControllerImpl::OnMouseEvent() should not update
point of interest for mouse events of type ET_MOUSE_CAPTURE_CHANGED
because they do not contain valid coordinates.

BUG=312496
TEST=verified cursor no longer jumps
R=oshima@chromium.org

Review URL: https://codereview.chromium.org/160953002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@250832 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 250832