GTK: allow bookmark manager to MOVE as well as COPY.

BUG=41601
TEST=manual

Review URL: http://codereview.chromium.org/1610035

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@44955 0039d316-1c4b-4281-b951-d872f2087c98
BookmarkDrag::BookmarkDrag(Profile* profile,
                           const std::vector<const BookmarkNode*>& nodes)
    : CustomDrag(NULL,
                 bookmark_utils::GetCodeMask(false),
                 kBookmarkDragAction),
      profile_(profile),
      nodes_(nodes) {
}

BookmarkDrag::BookmarkDrag(Profile* profile,
                           const std::vector<const BookmarkNode*>& nodes)
    : CustomDrag(NULL,
                 bookmark_utils::GetCodeMask(false),
                 kBookmarkDragAction),
      profile_(profile),
      nodes_(nodes) {
}
