Changed method dependencies report to show method code sizes. Call stacks are now a dropdown action under each method.

Review at http://gwt-code-reviews.appspot.com/1443809

Review by: zundel@google.com

git-svn-id: https://google-web-toolkit.googlecode.com/svn/trunk@10231 8db76d5a-ed1c-0410-87a9-c151d255dfc7