Basic framework for Budget API.

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 322 matching lines @@
       'worklet/Worklet.idl',
     ],
     # 'partial interface' or target (right side of) 'implements'
     'modules_dependency_idl_files': [
       'audio_output_devices/HTMLMediaElementAudioOutputDevice.idl',
       'background_sync/ServiceWorkerGlobalScopeSync.idl',
       'background_sync/ServiceWorkerRegistrationSync.idl',
       'battery/NavigatorBattery.idl',
       'beacon/NavigatorBeacon.idl',
       'bluetooth/NavigatorBluetooth.idl',
+      'budget_service/BudgetChunk.idl',
+      'budget_service/NavigatorBudget.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',
@@ skipping 534 matching lines @@
       'bluetooth/BluetoothRemoteGATTServer.cpp',
       'bluetooth/BluetoothRemoteGATTServer.h',
       'bluetooth/BluetoothRemoteGATTService.cpp',
       'bluetooth/BluetoothRemoteGATTService.h',
       'bluetooth/BluetoothSupplement.cpp',
       'bluetooth/BluetoothSupplement.h',
       'bluetooth/BluetoothUUID.cpp',
       'bluetooth/BluetoothUUID.h',
       'bluetooth/NavigatorBluetooth.cpp',
       'bluetooth/NavigatorBluetooth.h',
+      'budget_service/NavigatorBudget.h',
+      'budget_service/NavigatorBudget.cpp',
       'cachestorage/Cache.cpp',
       'cachestorage/Cache.h',
       'cachestorage/CacheStorage.cpp',
       'cachestorage/CacheStorage.h',
       'cachestorage/CacheStorageError.cpp',
       'cachestorage/CacheStorageError.h',
       'cachestorage/GlobalCacheStorage.cpp',
       'cachestorage/GlobalCacheStorage.h',
       'cachestorage/InspectorCacheStorageAgent.cpp',
       'cachestorage/InspectorCacheStorageAgent.h',
@@ skipping 1147 matching lines @@
       'webaudio/ConvolverNodeTest.cpp',
       'webaudio/DynamicsCompressorNodeTest.cpp',
       'webaudio/ScriptProcessorNodeTest.cpp',
       'webaudio/StereoPannerNodeTest.cpp',
       'webdatabase/QuotaTrackerTest.cpp',
       'websockets/DOMWebSocketTest.cpp',
       'websockets/DocumentWebSocketChannelTest.cpp',
     ],
   },
 }