Modify WebView drop effect override values.
Modify WebView drop effect override values.

Used for gears file drag & drop in chrome, define the values of
the drop effect overrides to match the gears definitions.

BUG=7995

Original patch by Noel Gordon via:
http://codereview.chromium.org/99231

Review URL: http://codereview.chromium.org/102016


git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@14971 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