Introduce PaintWorkletGlobalScope, rename renderWorklet attribute to paintWorklet.

third_party/WebKit/Source/modules/modules.gypi

 {
   'includes': [
     '../core/core_generated.gypi',
     'modules_generated.gypi',
   ],
   'variables': {
     # Experimental hooks for embedder to provide extra IDL and source files.
     #
     # Note: this is not a supported API. If you rely on this, you will be broken
     # from time to time as the code generator changes in backward incompatible
@@ skipping 24 matching lines @@
       'canvas2d/Path2D.idl',
       'compositorworker/CompositorWorker.idl',
       'compositorworker/CompositorWorkerGlobalScope.idl',
       'credentialmanager/Credential.idl',
       'credentialmanager/CredentialsContainer.idl',
       'credentialmanager/FederatedCredential.idl',
       'credentialmanager/PasswordCredential.idl',
       'crypto/Crypto.idl',
       'crypto/CryptoKey.idl',
       'crypto/SubtleCrypto.idl',
+      'csspaint/PaintWorkletGlobalScope.idl',
       'device_light/DeviceLightEvent.idl',
       'device_orientation/DeviceAcceleration.idl',
       'device_orientation/DeviceMotionEvent.idl',
       'device_orientation/DeviceOrientationEvent.idl',
       'device_orientation/DeviceRotationRate.idl',
       'encoding/TextDecoder.idl',
       'encoding/TextEncoder.idl',
       'encryptedmedia/MediaEncryptedEvent.idl',
       'encryptedmedia/MediaKeyMessageEvent.idl',
       'encryptedmedia/MediaKeySession.idl',
@@ skipping 281 matching lines @@
       'battery/NavigatorBattery.idl',
       'beacon/NavigatorBeacon.idl',
       'bluetooth/NavigatorBluetooth.idl',
       'cachestorage/WindowCacheStorage.idl',
       'cachestorage/WorkerCacheStorage.idl',
       'canvas/HTMLCanvasElementModule.idl',
       'canvas2d/CanvasPathMethods.idl',
       'credentialmanager/NavigatorCredentials.idl',
       'crypto/WindowCrypto.idl',
       'crypto/WorkerGlobalScopeCrypto.idl',
+      'csspaint/WindowPaintWorklet.idl',
       'device_light/WindowDeviceLight.idl',
       'device_orientation/WindowDeviceMotion.idl',
       'device_orientation/WindowDeviceOrientation.idl',
       'donottrack/NavigatorDoNotTrack.idl',
       'encryptedmedia/HTMLMediaElementEncryptedMedia.idl',
       'encryptedmedia/NavigatorRequestMediaKeySystemAccess.idl',
       'fetch/WindowFetch.idl',
       'fetch/WorkerFetch.idl',
       'filesystem/DataTransferItemFileSystem.idl',
       'filesystem/DedicatedWorkerGlobalScopeFileSystem.idl',
@@ skipping 44 matching lines @@
       'storage/WindowStorage.idl',
       'vibration/NavigatorVibration.idl',
       'vr/NavigatorVRDevice.idl',
       'wake_lock/ScreenWakeLock.idl',
       'webaudio/WindowWebAudio.idl',
       'webdatabase/WindowWebDatabase.idl',
       'webgl/WebGL2RenderingContextBase.idl',
       'webgl/WebGLRenderingContextBase.idl',
       'webmidi/NavigatorWebMIDI.idl',
       'webusb/NavigatorUSB.idl',
-      'worklet/WindowWorklet.idl',
     ],
     # interfaces that inherit from Event
     'modules_event_idl_files': [
       'app_banner/BeforeInstallPromptEvent.idl',
       'background_sync/SyncEvent.idl',
       'device_light/DeviceLightEvent.idl',
       'device_orientation/DeviceMotionEvent.idl',
       'device_orientation/DeviceOrientationEvent.idl',
       'encryptedmedia/MediaEncryptedEvent.idl',
       'encryptedmedia/MediaKeyMessageEvent.idl',
@@ skipping 496 matching lines @@
       'crypto/CryptoResultImpl.cpp',
       'crypto/CryptoResultImpl.h',
       'crypto/DOMWindowCrypto.cpp',
       'crypto/DOMWindowCrypto.h',
       'crypto/NormalizeAlgorithm.cpp',
       'crypto/NormalizeAlgorithm.h',
       'crypto/SubtleCrypto.cpp',
       'crypto/SubtleCrypto.h',
       'crypto/WorkerGlobalScopeCrypto.cpp',
       'crypto/WorkerGlobalScopeCrypto.h',
+      'csspaint/DOMWindowPaintWorklet.cpp',
+      'csspaint/DOMWindowPaintWorklet.h',
+      'csspaint/PaintWorklet.cpp',
+      'csspaint/PaintWorklet.h',
+      'csspaint/PaintWorkletGlobalScope.cpp',
+      'csspaint/PaintWorkletGlobalScope.h',
       'device_light/DeviceLightController.cpp',
       'device_light/DeviceLightController.h',
       'device_light/DeviceLightDispatcher.cpp',
       'device_light/DeviceLightDispatcher.h',
       'device_light/DeviceLightEvent.cpp',
       'device_light/DeviceLightEvent.h',
       'device_orientation/DeviceAcceleration.cpp',
       'device_orientation/DeviceAcceleration.h',
       'device_orientation/DeviceMotionController.cpp',
       'device_orientation/DeviceMotionController.h',
@@ skipping 965 matching lines @@
       'webusb/USBError.cpp',
       'webusb/USBError.h',
       'webusb/USBInTransferResult.h',
       'webusb/USBInterface.cpp',
       'webusb/USBInterface.h',
       'webusb/USBIsochronousInTransferPacket.h',
       'webusb/USBIsochronousInTransferResult.h',
       'webusb/USBIsochronousOutTransferPacket.h',
       'webusb/USBIsochronousOutTransferResult.h',
       'webusb/USBOutTransferResult.h',
-      'worklet/DOMWindowWorklet.cpp',
-      'worklet/DOMWindowWorklet.h',
       'worklet/Worklet.cpp',
       'worklet/Worklet.h',
       'worklet/WorkletConsole.cpp',
       'worklet/WorkletConsole.h',
       'worklet/WorkletGlobalScope.cpp',
       'worklet/WorkletGlobalScope.h',
     ],
     # 'partial interface' or target (right side of) 'implements'
     'modules_testing_dependency_idl_files' : [
       'accessibility/testing/InternalsAccessibility.idl',
@@ skipping 65 matching lines @@
       'webaudio/AudioBasicProcessorHandlerTest.cpp',
       'webaudio/ConvolverNodeTest.cpp',
       'webaudio/DynamicsCompressorNodeTest.cpp',
       'webaudio/ScriptProcessorNodeTest.cpp',
       'webaudio/StereoPannerNodeTest.cpp',
       'websockets/DOMWebSocketTest.cpp',
       'websockets/DocumentWebSocketChannelTest.cpp',
     ],
   },
 }