Source/WebCore: WebKit2: Use CFNetwork Sessions API.

Source/WebCore: WebKit2: Use CFNetwork Sessions API.
https://bugs.webkit.org/show_bug.cgi?id=55435

Reviewed by Adam Roben.

Set the Private Browsing Storage Session on requests when Private Browsing is enabled.

* WebCore.exp.in:
Support using WKCopyRequestWithStorageSession in WebCore.
* platform/mac/WebCoreSystemInterface.h:
Ditto.
* platform/mac/WebCoreSystemInterface.mm:
Ditto.

* platform/network/cf/ResourceHandleCFNet.cpp:
(WebCore::makeFinalRequest):
If Private Browsing is enabled, set the Private Browsing Storage Session on the request.
(WebCore::ResourceHandle::willSendRequest):
Ditto.
* platform/network/mac/ResourceHandleMac.mm:
(WebCore::ResourceHandle::createNSURLConnection):
Ditto.
(WebCore::ResourceHandle::willSendRequest):
Ditto.

* platform/network/cf/ResourceRequest.h:
* platform/network/cf/ResourceRequestCFNet.cpp:
(WebCore::ResourceRequest::setStorageSession):
Call through to WKSI.
* platform/network/mac/ResourceRequestMac.mm:
(WebCore::ResourceRequest::setStorageSession):
Ditto.

Source/WebKit/mac: WebKit2: Use CFNetwork Sessions API.
https://bugs.webkit.org/show_bug.cgi?id=55435.

Reviewed by Adam Roben.

Set the Private Browsing Storage Session on requests when Private Browsing is enabled.

* WebCoreSupport/WebSystemInterface.mm:
(InitWebCoreSystemInterface):
Support using WKCopyRequestWithStorageSession in WebCore.

Source/WebKit2: WebKit2: Use CFNetwork Sessions API.
https://bugs.webkit.org/show_bug.cgi?id=55435

Reviewed by Adam Roben.

Set the Private Browsing Storage Session on requests when Private Browsing is enabled.

* WebProcess/WebCoreSupport/mac/WebSystemInterface.mm:
(InitWebCoreSystemInterface):
Support using WKCopyRequestWithStorageSession in WebCore.

WebKitLibraries: WebKit2: Use CFNetwork Sessions API.
https://bugs.webkit.org/show_bug.cgi?id=55435

Reviewed by Adam Roben.

Set the Private Browsing Storage Session on requests when Private Browsing is enabled.

Update WebKitSystemInterface headers and libraries with the new functions.

* WebKitSystemInterface.h:
* libWebKitSystemInterfaceLeopard.a:
* libWebKitSystemInterfaceSnowLeopard.a:
* win/include/WebKitSystemInterface/WebKitSystemInterface.h:
* win/lib/WebKitSystemInterface.lib:

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@80294 268f45cc-cd09-0410-ab3c-d52691b4dbfc