Source/WebKit2: Added WKHitTestResult API's.

Source/WebKit2: Added WKHitTestResult API's.

WKHitTestResult API's are added. These API's can be used to
get the hover'ed link/image/media URL as well as link lable and
title.
https://bugs.webkit.org/show_bug.cgi?id=68426

Patch by Nayan Kumar K <nayankk@motorola.com> on 2011-09-26
Reviewed by Anders Carlsson.

* CMakeLists.txt:
* GNUmakefile.am:
* UIProcess/API/C/WKHitTestResult.cpp: Added.
(WKHitTestResultGetTypeID):
(WKHitTestResultCopyAbsoluteImageURL):
(WKHitTestResultCopyAbsoluteLinkURL):
(WKHitTestResultCopyAbsoluteMediaURL):
(WKHitTestResultCopyLinkLabel):
(WKHitTestResultCopyLinkTitle):
* UIProcess/API/C/WKHitTestResult.h: Added.
* UIProcess/API/C/WebKit2.h:
* WebKit2.xcodeproj/project.pbxproj:
* WebKit2API.pri:
* win/WebKit2.vcproj:
* win/WebKit2Generated.make:

Tools: Get hover'ed element URL from HitTest.

mouseDidMoveOverElement now gets the hover'ed element link using
WKHitTestResult API's.
https://bugs.webkit.org/show_bug.cgi?id=68426

Patch by Nayan Kumar K <nayankk@motorola.com> on 2011-09-26
Reviewed by Anders Carlsson.

* MiniBrowser/gtk/BrowserWindow.c:
(mouseDidMoveOverElement):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@95999 268f45cc-cd09-0410-ab3c-d52691b4dbfc