Add a flag for the showing the Page Info dialog as a bubble. This adds stubs for all platforms.

BUG=52916
TEST=Compile.  Page Info works as before.

Review URL: http://codereview.chromium.org/3175037

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@57358 0039d316-1c4b-4281-b951-d872f2087c98
10 files changed