Common up the determination of navigation policy.

Share the (little bit of) logic that determines the WebNavigationPolicy
to use when navigating to new content, including when creating a new
window to hold it.

R=mkwst,jochen
BUG=none

Review URL: https://codereview.chromium.org/1140463003

git-svn-id: svn://svn.chromium.org/blink/trunk@195521 bbb929c8-8fbe-4397-9dbb-9b2b20218538
2 files changed
tree: 36874478e36cc55e4872624298577f881b2176da
  1. third_party/