Implement API for accessing fonts installed locally on the system.

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 61 matching lines @@
       'filesystem/EntrySync.idl',
       'filesystem/ErrorCallback.idl',
       'filesystem/FileEntry.idl',
       'filesystem/FileEntrySync.idl',
       'filesystem/FileSystemCallback.idl',
       'filesystem/FileWriter.idl',
       'filesystem/FileWriterCallback.idl',
       'filesystem/FileWriterSync.idl',
       'filesystem/Metadata.idl',
       'filesystem/MetadataCallback.idl',
+      'fontaccess/FontAccessDescription.idl',
       'gamepad/Gamepad.idl',
       'gamepad/GamepadButton.idl',
       'gamepad/GamepadEvent.idl',
       'gamepad/GamepadList.idl',
       'geofencing/CircularGeofencingRegion.idl',
       'geofencing/Geofencing.idl',
       'geofencing/GeofencingEvent.idl',
       'geofencing/GeofencingRegion.idl',
       'geolocation/Coordinates.idl',
       'geolocation/Geolocation.idl',
@@ skipping 946 matching lines @@
       'filesystem/HTMLInputElementFileSystem.h',
       'filesystem/InspectorFileSystemAgent.cpp',
       'filesystem/InspectorFileSystemAgent.h',
       'filesystem/LocalFileSystem.cpp',
       'filesystem/LocalFileSystem.h',
       'filesystem/Metadata.h',
       'filesystem/MetadataCallback.h',
       'filesystem/SyncCallbackHelper.h',
       'filesystem/WorkerGlobalScopeFileSystem.cpp',
       'filesystem/WorkerGlobalScopeFileSystem.h',
+      'fontaccess/FontAccessDescription.h',
       'gamepad/Gamepad.cpp',
       'gamepad/Gamepad.h',
       'gamepad/GamepadButton.cpp',
       'gamepad/GamepadButton.h',
       'gamepad/GamepadDispatcher.cpp',
       'gamepad/GamepadDispatcher.h',
       'gamepad/GamepadEvent.cpp',
       'gamepad/GamepadEvent.h',
       'gamepad/GamepadList.cpp',
       'gamepad/GamepadList.h',
@@ skipping 837 matching lines @@
       'webaudio/AudioBasicProcessorHandlerTest.cpp',
       'webaudio/ConvolverNodeTest.cpp',
       'webaudio/DynamicsCompressorNodeTest.cpp',
       'webaudio/ScriptProcessorNodeTest.cpp',
       'webaudio/StereoPannerNodeTest.cpp',
       'websockets/DOMWebSocketTest.cpp',
       'websockets/DocumentWebSocketChannelTest.cpp',
     ],
   },
 }