[CMake] Make PAL headers copies
https://bugs.webkit.org/show_bug.cgi?id=182645
Reviewed by Alex Christensen.
Source/WebCore:
No new tests. No change in behavior.
* CMakeLists.txt:
Source/WebCore/PAL:
* pal/CMakeLists.txt:
* pal/PlatformAppleWin.cmake:
* pal/PlatformGTK.cmake:
* pal/PlatformMac.cmake:
* pal/PlatformWPE.cmake:
* pal/PlatformWin.cmake:
* pal/PlatformWinCairo.cmake:
Tools:
* TestWebKitAPI/CMakeLists.txt:
git-svn-id: https://svn.webkit.org/repository/webkit/trunk@228347
268f45cc-cd09-0410-ab3c-
d52691b4dbfc