Content-initiated navigations from chrome:// pages to chrome:// pages in a new tab must be browser navigations.
Content-initiated navigations from chrome:// pages to chrome:// pages in a new tab must be browser navigations.

BUG=106132
TEST=Chrome os chrome://settings/about page "open source" links work.
Review URL: http://codereview.chromium.org/8769026

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@113005 0039d316-1c4b-4281-b951-d872f2087c98

adobe/chromium,adobe/chromium,gavinp/chromium,ropik/chromium,yitian134/chromium,ropik/chromium,gavinp/chromium,adobe/chromium,gavinp/chromium,gavinp/chromium,yitian134/chromium,adobe/chromium,yitian134/chromium,adobe/chromium,gavinp/chromium,adobe/chromium,ropik/chromium,gavinp/chromium,gavinp/chromium,yitian134/chromium,adobe/chromium,gavinp/chromium,ropik/chromium,adobe/chromium,ropik/chromium,ropik/chromium,yitian134/chromium,adobe/chromium,yitian134/chromium,ropik/chromium,yitian134/chromium,yitian134/chromium,adobe/chromium,ropik/chromium,adobe/chromium,ropik/chromium,yitian134/chromium,gavinp/chromium,gavinp/chromium,yitian134/chromium