Unreviewed. Remove platform specific files from cross-platform CMake …

…files

This fixes the build from release tarballs where those files are not
present.

* Source/WebCore/CMakeLists.txt:
* Source/WebKit/CMakeLists.txt:

Canonical link: https://commits.webkit.org/270822@main

Source/WebCore/CMakeLists.txt

@@ -2796,19 +2796,13 @@ list(APPEND WebCore_PRIVATE_FRAMEWORK_HEADERS
     page/LayoutMilestones.serialization.in
     page/MediaProducer.serialization.in
 
-    platform/graphics/ca/PlatformCALayer.messages.in
-
     platform/PlatformEvent.serialization.in
     platform/PlatformScreen.serialization.in
     platform/PlatformWheelEvent.serialization.in
     platform/ScrollTypes.serialization.in
 
     platform/audio/PlatformMediaSession.serialization.in
 
-    platform/cocoa/PlaybackSessionModel.serialization.in
-
-    platform/graphics/cocoa/MediaPlaybackTargetContext.serialization.in
-
     platform/graphics/InbandTextTrackPrivate.serialization.in
 
     platform/mediastream/MDNSRegisterError.serialization.in

Source/WebKit/CMakeLists.txt

@@ -567,13 +567,11 @@ set(WebCore_SERIALIZATION_IN_FILES
     IndexedDB.serialization.in
     LayoutMilestones.serialization.in
     MDNSRegisterError.serialization.in
-    MediaPlaybackTargetContext.serialization.in
     MediaProducer.serialization.in
     PlatformEvent.serialization.in
     PlatformMediaSession.serialization.in
     PlatformScreen.serialization.in
     PlatformWheelEvent.serialization.in
-    PlaybackSessionModel.serialization.in
     ProtectionSpaceBase.serialization.in
     ScrollTypes.serialization.in
     WebGPU.serialization.in