Update to Chromium revision 181864.
- Adds support for chrome://view-http-cache/*, chrome://appcache-internals/, chrome://blob-internals/, chrome://tcmalloc/ and chrome://histograms/

git-svn-id: http://chromiumembedded.googlecode.com/svn/trunk@1106 5089003a-bbd8-11dd-ad1f-f1f9622dbc98