[TextureMapper] Convert class-level WEBCORE_EXPORT to method-level

[fujii]

f0294b5

[TextureMapper] Convert class-level WEBCORE_EXPORT to method-level
https://bugs.webkit.org/show_bug.cgi?id=281899

Reviewed by Carlos Garcia Campos.

check-webkit-style complains inline functions in class-level
WEBCORE_EXPORT. And, WebKit prefers method-level WEBCORE_EXPORT.

* Source/WebCore/platform/graphics/texmap/GraphicsContextGLTextureMapperANGLE.h:
* Source/WebCore/platform/graphics/texmap/TextureMapperLayer.h:

Canonical link: https://commits.webkit.org/285551@main

ac941d0

Misc	iOS, visionOS, tvOS & watchOS	macOS	Linux	Windows
✅ 🧪 style	✅ 🛠 ios	✅ 🛠 mac	✅ 🛠 wpe	✅ 🛠 win
✅ 🧪 bindings	✅ 🛠 ios-sim	⏳ 🛠 mac-AS-debug	🧪 wpe-wk2	✅ 🧪 win-tests
✅ 🧪 webkitperl	✅ 🧪 ios-wk2	✅ 🧪 api-mac	✅ 🧪 api-wpe
	✅ 🧪 ios-wk2-wpt	✅ 🧪 mac-wk1	✅ 🛠 wpe-cairo
	🧪 api-ios	✅ 🧪 mac-wk2	✅ 🛠 gtk
	⏳ 🛠 vision	⏳ 🧪 mac-AS-debug-wk2	🧪 gtk-wk2
	⏳ 🛠 vision-sim	✅ 🧪 mac-wk2-stress	✅ 🧪 api-gtk
	⏳ 🧪 vision-wk2	✅ 🧪 mac-intel-wk2
✅ 🛠 🧪 unsafe-merge	⏳ 🛠 tv	🛠 mac-safer-cpp
	⏳ 🛠 tv-sim
	⏳ 🛠 watch
	⏳ 🛠 watch-sim

[webkit-early-warning-system]

EWS run on current version of this PR (hash ac941d0)

Misc	iOS, visionOS, tvOS & watchOS	macOS	Linux	Windows
✅ 🧪 style	✅ 🛠 ios	✅ 🛠 mac	✅ 🛠 wpe	✅ 🛠 win
✅ 🧪 bindings	✅ 🛠 ios-sim	⏳ 🛠 mac-AS-debug	🧪 wpe-wk2	✅ 🧪 win-tests
✅ 🧪 webkitperl	✅ 🧪 ios-wk2	✅ 🧪 api-mac	✅ 🧪 api-wpe
	✅ 🧪 ios-wk2-wpt	✅ 🧪 mac-wk1	✅ 🛠 wpe-cairo
	🧪 api-ios	✅ 🧪 mac-wk2	✅ 🛠 gtk
	⏳ 🛠 vision	⏳ 🧪 mac-AS-debug-wk2	🧪 gtk-wk2
	⏳ 🛠 vision-sim	✅ 🧪 mac-wk2-stress	✅ 🧪 api-gtk
	⏳ 🧪 vision-wk2	✅ 🧪 mac-intel-wk2
✅ 🛠 🧪 unsafe-merge	⏳ 🛠 tv	🛠 mac-safer-cpp
	⏳ 🛠 tv-sim
	⏳ 🛠 watch
	⏳ 🛠 watch-sim

[webkit-commit-queue]

Committed 285551@main (f0294b5): https://commits.webkit.org/285551@main

Reviewed commits have been landed. Closing PR #35568 and removing active labels.