Cleanup: Remove the "documentation_permissions_required" JSON schema key. It is
never used.

R=yoz@chromium.org
NOTRY=true

Review URL: https://codereview.chromium.org/27257002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@228703 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 228703
Use auto generated code in wallpaper_private_api.cc

This is mainly code cleanup. Use the extension auto-generated code in
wallpaper_private_api.cc


BUG=NONE

Review URL: https://codereview.chromium.org/26565002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@228704 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 228704
Track last page so that we can return to it upon network change

BUG=304027
R=nkostylev@chromium.org

Review URL: https://codereview.chromium.org/27179003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@228705 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 228705