Replace MediaKeySystemOptions with MediaKeySystemConfiguration.

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 277 matching lines @@
       'speech/SpeechSynthesisEvent.idl',
       'webaudio/AudioProcessingEvent.idl',
       'webaudio/OfflineAudioCompletionEvent.idl',
       'webmidi/MIDIConnectionEvent.idl',
       'webmidi/MIDIMessageEvent.idl',
       'websockets/CloseEvent.idl',
     ],
     'modules_dictionary_idl_files': [
       'encoding/TextDecodeOptions.idl',
       'encoding/TextDecoderOptions.idl',
-      'encryptedmedia/MediaKeySystemOptions.idl',
+      'encryptedmedia/MediaKeySystemConfiguration.idl',
+      'encryptedmedia/MediaKeySystemMediaCapability.idl',
       'filesystem/FileSystemFlags.idl',
       'geofencing/CircularGeofencingRegionInit.idl',
       'geolocation/PositionOptions.idl',
       'indexeddb/IDBIndexParameters.idl',
       'notifications/NotificationOptions.idl',
       'serviceworkers/CacheQueryOptions.idl',
       'serviceworkers/RegistrationOptions.idl',
       'serviceworkers/ServiceWorkerClientQueryOptions.idl',
       'webmidi/MIDIOptions.idl',
     ],
     'generated_modules_files': [
       # .cpp files from make_modules_generated actions.
       '<(blink_modules_output_dir)/EventModules.cpp',
       '<(blink_modules_output_dir)/EventModulesHeaders.h',
       '<(blink_modules_output_dir)/EventModulesNames.cpp',
       '<(blink_modules_output_dir)/EventModulesNames.h',
       '<(blink_modules_output_dir)/EventTargetModulesNames.cpp',
       '<(blink_modules_output_dir)/EventTargetModulesNames.h',
       '<(blink_modules_output_dir)/IndexedDBNames.cpp',
       '<(blink_modules_output_dir)/IndexedDBNames.h',
     ],
     'generated_modules_dictionary_files': [
       '<(blink_modules_output_dir)/encoding/TextDecodeOptions.cpp',
       '<(blink_modules_output_dir)/encoding/TextDecodeOptions.h',
       '<(blink_modules_output_dir)/encoding/TextDecoderOptions.cpp',
       '<(blink_modules_output_dir)/encoding/TextDecoderOptions.h',
-      '<(blink_modules_output_dir)/encryptedmedia/MediaKeySystemOptions.cpp',
-      '<(blink_modules_output_dir)/encryptedmedia/MediaKeySystemOptions.h',
+      '<(blink_modules_output_dir)/encryptedmedia/MediaKeySystemConfiguration.cpp',
+      '<(blink_modules_output_dir)/encryptedmedia/MediaKeySystemConfiguration.h',
+      '<(blink_modules_output_dir)/encryptedmedia/MediaKeySystemMediaCapability.cpp',
+      '<(blink_modules_output_dir)/encryptedmedia/MediaKeySystemMediaCapability.h',
       '<(blink_modules_output_dir)/filesystem/FileSystemFlags.cpp',
       '<(blink_modules_output_dir)/filesystem/FileSystemFlags.h',
       '<(blink_modules_output_dir)/geofencing/CircularGeofencingRegionInit.cpp',
       '<(blink_modules_output_dir)/geofencing/CircularGeofencingRegionInit.h',
       '<(blink_modules_output_dir)/geolocation/PositionOptions.cpp',
       '<(blink_modules_output_dir)/geolocation/PositionOptions.h',
       '<(blink_modules_output_dir)/indexeddb/IDBIndexParameters.cpp',
       '<(blink_modules_output_dir)/indexeddb/IDBIndexParameters.h',
       '<(blink_modules_output_dir)/notifications/NotificationOptions.cpp',
       '<(blink_modules_output_dir)/notifications/NotificationOptions.h',
@@ skipping 786 matching lines @@
       'serviceworkers/CacheTest.cpp',
       'serviceworkers/FetchResponseDataTest.cpp',
       'serviceworkers/RequestTest.cpp',
       'serviceworkers/ResponseTest.cpp',
       'serviceworkers/ServiceWorkerContainerTest.cpp',
       'websockets/DOMWebSocketTest.cpp',
       'websockets/DocumentWebSocketChannelTest.cpp',
     ],
   },
 }