Update process sharing rules for hosted and isolated apps.
Hosted apps should only share with each other, and an isolated app should
only share with the exact same app.

BUG=102533
BUG=105322
TEST=Open many pages, extensions, and apps, and check sharing relationships.

Review URL: http://codereview.chromium.org/8677026

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@113043 0039d316-1c4b-4281-b951-d872f2087c98
2 files changed