[chromium] Remove WebScreenInfo.{horizontal,vertical}DPI
https://bugs.webkit.org/show_bug.cgi?id=101772

Patch by Sami Kyostila <skyostil@chromium.org> on 2012-11-23
Reviewed by Adam Barth.

Now that nothing is using WebScreenInfo.{horizontal,vertical}DPI we can simply
remove them.

Source/Platform:

* chromium/public/WebScreenInfo.h:
(WebKit::WebScreenInfo::WebScreenInfo):

Source/WebKit/chromium:

* src/mac/WebScreenInfoFactory.mm:
(WebKit::WebScreenInfoFactory::screenInfo):
* src/win/WebScreenInfoFactory.cpp:
(WebKit::WebScreenInfoFactory::screenInfo):
* src/x11/WebScreenInfoFactory.cpp:
(WebKit::WebScreenInfoFactory::screenInfo):

git-svn-id: https://svn.webkit.org/repository/webkit/trunk/Source/Platform/chromium/public@135580 268f45cc-cd09-0410-ab3c-d52691b4dbfc