Allow passing parameters within appview

BUG=239656

Review URL: https://codereview.chromium.org/287153006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@271719 0039d316-1c4b-4281-b951-d872f2087c98

Review URL: https://codereview.chromium.org/460133002

Cr-Commit-Position: refs/heads/master@{#289503}
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@289503 0039d316-1c4b-4281-b951-d872f2087c98
9 files changed