Refactor ResourceRequest into Cocoa and iOS specific files
https://bugs.webkit.org/show_bug.cgi?id=134430

Reviewed by Andreas Kling.

No new tests because no functional changes.

* WebCore.xcodeproj/project.pbxproj:
* platform/network/cf/ResourceRequestCFNet.cpp:
(WebCore::ResourceRequest::applyWebArchiveHackForMail): Deleted.
* platform/network/cocoa/ResourceRequestCocoa.mm: Copied from Source/WebCore/platform/network/mac/ResourceRequestMac.mm.
(WebCore::ResourceRequest::nsURLRequest):
(WebCore::ResourceRequest::cfURLRequest):
(WebCore::ResourceRequest::doUpdateResourceRequest):
(WebCore::ResourceRequest::doUpdateResourceHTTPBody):
(WebCore::ResourceRequest::doUpdatePlatformRequest):
(WebCore::ResourceRequest::doUpdatePlatformHTTPBody):
(WebCore::ResourceRequest::updateFromDelegatePreservingOldProperties):
(WebCore::ResourceRequest::applyWebArchiveHackForMail):
(WebCore::ResourceRequest::setStorageSession):
* platform/network/ios/ResourceRequestIOS.mm: Added.
(WebCore::ResourceRequest::useQuickLookResourceCachingQuirks):
(WebCore::ResourceRequest::ResourceRequest):
(WebCore::ResourceRequest::updateNSURLRequest):
* platform/network/mac/ResourceRequestMac.mm:
(WebCore::initQuickLookResourceCachingQuirks):
(WebCore::ResourceRequest::useQuickLookResourceCachingQuirks):
(WebCore::ResourceRequest::ResourceRequest):
(WebCore::ResourceRequest::updateNSURLRequest):
(WebCore::ResourceRequest::applyWebArchiveHackForMail):
(WebCore::ResourceRequest::nsURLRequest): Deleted.
(WebCore::ResourceRequest::cfURLRequest): Deleted.
(WebCore::ResourceRequest::doUpdateResourceRequest): Deleted.
(WebCore::ResourceRequest::doUpdateResourceHTTPBody): Deleted.
(WebCore::ResourceRequest::doUpdatePlatformRequest): Deleted.
(WebCore::ResourceRequest::doUpdatePlatformHTTPBody): Deleted.
(WebCore::ResourceRequest::updateFromDelegatePreservingOldProperties): Deleted.
(WebCore::ResourceRequest::setStorageSession): Deleted.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@170574 268f45cc-cd09-0410-ab3c-d52691b4dbfc