ConstrainToSizeLimits  132 chrome/browser/notifications/balloon_collection_impl.cc   balloon->set_content_size(Layout::ConstrainToSizeLimits(size));
ConstrainToSizeLimits  112 chrome/browser/notifications/balloon_collection_impl.h     static gfx::Size ConstrainToSizeLimits(const gfx::Size& rect);