Register bindings for blessed web contexts (aka hosted app contexts) by hand
rather than automatically; this allows them to be treated like web contexts
rather than extension contexts, which allows the more complex bindings rules
for making the messaging APIs (chrome.runtime.connect/sendMessage) available.
Make them available.

BUG=326250
R=koz@chromium.org

Review URL: https://codereview.chromium.org/114803007

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@243959 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 243959
convert cc logo to png to avoid unhandled mimetype in appengine

Production AppEngine doesn't emit the proper mimetype for SVG automaticallly, requiring handling it in app code. To fix this bug, I just converted the CC logo to PNG.

BUG=330040
NOTRY=true

Review URL: https://codereview.chromium.org/119983002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@243961 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 243961