Update test_expectations for LayoutTests/editing/text-iterator/basic-iteration.html to point to a specific bug, rather than a generic merge bug.  Also moves all editing tests that are failing due to unimplemented test shell features into one section of the expectations file.
Update test_expectations for LayoutTests/editing/text-iterator/basic-iteration.html to point to a specific bug, rather than a generic merge bug.  Also moves all editing tests that are failing due to unimplemented test shell features into one section of the expectations file.

TEST=none
BUG=23285,11322
Review URL: http://codereview.chromium.org/235049

git-svn-id: http://src.chromium.org/svn/trunk/src@27459 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 0df43efe35b2a92c15831b92924dfd3530defb77
meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser