Improved debugging python GDB helpers.
Improved debugging python GDB helpers.

Added printing for WebCore::QualifiedName.
Added a new command that will print the path from a WebCore::Node to the root.

The command is really only half-baked, but hopefully will provide a good starting point for other new commands.
(And it did help me track down an SVG bug.)

BUG=none
TEST=none
Patch from Bryan Yeung <bryeung@chromium.org>.

Review URL: http://codereview.chromium.org/598051

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@39215 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser