Add maxTouchPoints for pointer events

Source/modules/modules.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
     # ways.
     'extra_blink_module_idl_files': [],
     'extra_blink_module_files': [],
 
@@ skipping 161 matching lines @@
       'mediastream/NavigatorUserMediaErrorCallback.idl',
       'mediastream/NavigatorUserMediaSuccessCallback.idl',
       'mediastream/RTCErrorCallback.idl',
       'mediastream/RTCSessionDescriptionCallback.idl',
       'mediastream/RTCStatsCallback.idl',
       'navigatorcontentutils/NavigatorContentUtils.idl',
       'notifications/NotificationPermissionCallback.idl',
       'notifications/WindowNotifications.idl',
       'notifications/WorkerGlobalScopeNotifications.idl',
       'performance/WorkerGlobalScopePerformance.idl',
+      'pointerevents/NavigatorPointerEvents.idl',

[Rick Byers, 2013/08/07 13:46:51]

I'm not sure if a 'module' is really appropriate for pointer events or not...

       'quota/NavigatorStorageQuota.idl',
       'quota/StorageErrorCallback.idl',
       'quota/StorageQuotaCallback.idl',
       'quota/StorageUsageCallback.idl',
       'quota/WindowQuota.idl',
       'quota/WorkerNavigatorStorageQuota.idl',
       'speech/WindowSpeechSynthesis.idl',
       'vibration/NavigatorVibration.idl',
       'webaudio/AudioBufferCallback.idl',
       'webdatabase/DatabaseCallback.idl',
@@ skipping 286 matching lines @@
       'notifications/NotificationCenter.h',
       'notifications/NotificationController.cpp',
       'notifications/NotificationController.h',
       'notifications/NotificationPermissionCallback.h',
       'notifications/WorkerGlobalScopeNotifications.cpp',
       'notifications/WorkerGlobalScopeNotifications.h',
       'performance/WorkerGlobalScopePerformance.cpp',
       'performance/WorkerGlobalScopePerformance.h',
       'performance/WorkerPerformance.cpp',
       'performance/WorkerPerformance.h',
+      'pointerevents/NavigatorPointerEvents.cpp',
+      'pointerevents/NavigatorPointerEvents.h',
       'quota/DOMWindowQuota.cpp',
       'quota/DOMWindowQuota.h',
       'quota/NavigatorStorageQuota.cpp',
       'quota/NavigatorStorageQuota.h',
       'quota/StorageInfo.cpp',
       'quota/StorageInfo.h',
       'quota/StorageErrorCallback.cpp',
       'quota/StorageErrorCallback.h',
       'quota/StorageQuota.cpp',
       'quota/StorageQuota.h',
@@ skipping 249 matching lines @@
       'indexeddb/IDBKeyPathTest.cpp',
       'indexeddb/IDBRequestTest.cpp',
       'indexeddb/IDBTransactionTest.cpp',
       'websockets/WebSocketDeflaterTest.cpp',
       'websockets/WebSocketExtensionDispatcherTest.cpp',
       'websockets/WebSocketExtensionParserTest.cpp',
       'websockets/WebSocketPerMessageDeflateTest.cpp',
     ],
   },
 }