Use presenter state in CursorsComponent

src/cursors-component.coffee

@@ -12,15 +12,15 @@ CursorsComponent = React.createClass
   cursorBlinkIntervalHandle: null
 
   render: ->
-    {performedInitialMeasurement, cursorPixelRects, defaultCharWidth} = @props
+    {presenter, defaultCharWidth} = @props
     {blinkOff} = @state
 
     className = 'cursors'
     className += ' blink-off' if blinkOff
 
     div {className},
-      if performedInitialMeasurement
-        for key, pixelRect of cursorPixelRects
+      if presenter?
+        for key, pixelRect of presenter.state.content.cursors
           CursorComponent({key, pixelRect, defaultCharWidth})
 
   getInitialState: ->
@@ -32,10 +32,6 @@ CursorsComponent = React.createClass
   componentWillUnmount: ->
     @stopBlinkingCursors()
 
-  shouldComponentUpdate: (newProps, newState) ->
-    not newState.blinkOff is @state.blinkOff or
-      not isEqualForProperties(newProps, @props, 'cursorPixelRects', 'scrollTop', 'scrollLeft', 'defaultCharWidth', 'useHardwareAcceleration')
-
   componentWillUpdate: (newProps) ->
     cursorsMoved = @props.cursorPixelRects? and
       isEqualForProperties(newProps, @props, 'defaultCharWidth', 'scopedCharacterWidthsChangeCount') and

src/lines-component.coffee

@@ -17,7 +17,7 @@ LinesComponent = React.createClass
   displayName: 'LinesComponent'
 
   render: ->
-    {performedInitialMeasurement, cursorBlinkPeriod, cursorBlinkResumeDelay} = @props
+    {presenter, performedInitialMeasurement, cursorBlinkPeriod, cursorBlinkResumeDelay} = @props
 
     if performedInitialMeasurement
       {editor, presenter, overlayDecorations, highlightDecorations, placeholderText, backgroundColor} = @props
@@ -37,8 +37,7 @@ LinesComponent = React.createClass
       div className: 'placeholder-text', placeholderText if placeholderText?
 
       CursorsComponent {
-        cursorPixelRects, cursorBlinkPeriod, cursorBlinkResumeDelay, lineHeightInPixels,
-        defaultCharWidth, scopedCharacterWidthsChangeCount, performedInitialMeasurement
+        presenter, cursorBlinkPeriod, cursorBlinkResumeDelay, defaultCharWidth
       }
 
       HighlightsComponent {