SharedBuffer IPC encoders have duplicated and redundant code

https://bugs.webkit.org/show_bug.cgi?id=241407
<rdar://94621576>

Reviewed by Kimmo Kinnunen.

Bug 240160 allowed to greatly simplify the serialisation of SharedBuffer objects,
so make use of it.

* Source/WebKit/Shared/WebCoreArgumentCoders.cpp:
(IPC::ArgumentCoder<DOMCacheEngine::Record>::encode):
(IPC::ArgumentCoder<DOMCacheEngine::Record>::decode):
(IPC::ArgumentCoder<PasteboardCustomData::Entry>::encode):
(IPC::ArgumentCoder<PasteboardCustomData::Entry>::decode):
(IPC::ArgumentCoder<PasteboardWebContent>::encode):
(IPC::ArgumentCoder<PasteboardWebContent>::decode):
(IPC::ArgumentCoder<PasteboardImage>::encode):
(IPC::ArgumentCoder<PasteboardImage>::decode):
(IPC::ArgumentCoder<RawFile>::encode):
(IPC::ArgumentCoder<RawFile>::decode):
(IPC::ArgumentCoder<PromisedAttachmentInfo>::encode):
(IPC::ArgumentCoder<PromisedAttachmentInfo>::decode):
(IPC::ArgumentCoder<WebCore::FragmentedSharedBuffer>::encode):
(IPC::ArgumentCoder<WebCore::FragmentedSharedBuffer>::decode):
(IPC::ArgumentCoder<WebCore::SharedBuffer>::encode):
(IPC::ArgumentCoder<WebCore::SharedBuffer>::decode):
(IPC::ArgumentCoder<WebCore::ScriptBuffer>::encode):
(IPC::ArgumentCoder<WebCore::ScriptBuffer>::decode):
(IPC::ArgumentCoder<WebCore::CDMInstanceSession::Message>::encode):
(IPC::ArgumentCoder<WebCore::CDMInstanceSession::Message>::decode):
(IPC::encodeSharedBuffer): Deleted.
(IPC::decodeSharedBuffer): Deleted.
(IPC::encodeTypesAndData): Deleted.
(IPC::decodeTypesAndData): Deleted.
(IPC::ArgumentCoder<RefPtr<WebCore::FragmentedSharedBuffer>>::encode): Deleted.
(IPC::ArgumentCoder<RefPtr<WebCore::FragmentedSharedBuffer>>::decode): Deleted.
(IPC::ArgumentCoder<Ref<WebCore::FragmentedSharedBuffer>>::encode): Deleted.
(IPC::ArgumentCoder<Ref<WebCore::FragmentedSharedBuffer>>::decode): Deleted.
(IPC::ArgumentCoder<RefPtr<WebCore::SharedBuffer>>::encode): Deleted.
(IPC::ArgumentCoder<RefPtr<WebCore::SharedBuffer>>::decode): Deleted.
(IPC::ArgumentCoder<Ref<WebCore::SharedBuffer>>::encode): Deleted.
(IPC::ArgumentCoder<Ref<WebCore::SharedBuffer>>::decode): Deleted.
* Source/WebKit/Shared/WebCoreArgumentCoders.h:

Canonical link: https://commits.webkit.org/251492@main
git-svn-id: https://svn.webkit.org/repository/webkit/trunk@295487 268f45cc-cd09-0410-ab3c-d52691b4dbfc