Don’t use Serializable mixin in DisplayBuffer

src/display-buffer.coffee

@@ -1,5 +1,4 @@
 _ = require 'underscore-plus'
-Serializable = require 'serializable'
 {CompositeDisposable, Emitter} = require 'event-kit'
 {Point, Range} = require 'text-buffer'
 TokenizedBuffer = require './tokenized-buffer'
@@ -17,8 +16,6 @@ class BufferToScreenConversionError extends Error
 
 module.exports =
 class DisplayBuffer extends Model
-  Serializable.includeInto(this)
-
   verticalScrollMargin: 2
   horizontalScrollMargin: 6
   scopedCharacterWidthsChangeCount: 0
@@ -35,6 +32,10 @@ class DisplayBuffer extends Model
   verticalScrollbarWidth: 15
   horizontalScrollbarHeight: 15
 
+  @deserialize: (state) ->
+    state.tokenizedBuffer = TokenizedBuffer.deserialize(state.tokenizedBuffer)
+    new this(state)
+
   constructor: ({tabLength, @editorWidthInChars, @tokenizedBuffer, buffer, ignoreInvisibles, @largeFileMode}={}) ->
     super
 
@@ -93,7 +94,8 @@ class DisplayBuffer extends Model
 
     @updateWrappedScreenLines() if oldConfigSettings? and not _.isEqual(oldConfigSettings, @configSettings)
 
-  serializeParams: ->
+  serialize: ->
+    deserializer: 'DisplayBuffer'
     id: @id
     softWrapped: @isSoftWrapped()
     editorWidthInChars: @editorWidthInChars
@@ -102,10 +104,6 @@ class DisplayBuffer extends Model
     tokenizedBuffer: @tokenizedBuffer.serialize()
     largeFileMode: @largeFileMode
 
-  deserializeParams: (params) ->
-    params.tokenizedBuffer = TokenizedBuffer.deserialize(params.tokenizedBuffer)
-    params
-
   copy: ->
     newDisplayBuffer = new DisplayBuffer({@buffer, tabLength: @getTabLength(), @largeFileMode})
     newDisplayBuffer.setScrollTop(@getScrollTop())