Groove/inset/outset borders show solid if the color is black.

Groove/inset/outset borders show solid if the color is black.
https://bugs.webkit.org/show_bug.cgi?id=58608

Patch by Antaryami Pandia <antaryami.pandia@motorola.com> on 2011-09-26
Reviewed by Simon Fraser.

Source/WebCore:

Lightened the border side colors when drawing borders with styles as
Outset/Inset/Groove/Ridge.

Tests: fast/borders/border-groove.html
       fast/borders/border-inset.html
       fast/borders/border-outset.html
       fast/borders/border-ridge.html

* rendering/RenderObject.cpp:
(WebCore::RenderObject::drawLineForBoxSide):

LayoutTests:

* fast/borders/border-groove-expected.png: Added.
* fast/borders/border-groove-expected.txt: Added.
* fast/borders/border-groove.html: Added.
* fast/borders/border-inset-expected.png: Added.
* fast/borders/border-inset-expected.txt: Added.
* fast/borders/border-inset.html: Added.
* fast/borders/border-outset-expected.png: Added.
* fast/borders/border-outset-expected.txt: Added.
* fast/borders/border-outset.html: Added.
* fast/borders/border-ridge-expected.png: Added.
* fast/borders/border-ridge-expected.txt: Added.
* fast/borders/border-ridge.html: Added.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@95960 268f45cc-cd09-0410-ab3c-d52691b4dbfc