swap to isFocused for consistency

lib/components/content.js

@@ -83,9 +83,9 @@ class Content extends React.Component {
     let { selection } = state
     const native = window.getSelection()
 
-    // No selection is active, so unset `hasFocus`.
-    if (!native.rangeCount && selection.hasFocus) {
-      selection = selection.set('hasFocus', false)
+    // No selection is active, so unset `isFocused`.
+    if (!native.rangeCount && selection.isFocused) {
+      selection = selection.set('isFocused', false)
       state = state.set('selection', selection)
       this.onChange(state)
       return
@@ -116,7 +116,7 @@ class Content extends React.Component {
       selection = selection.set('focusKey', focus.key)
       selection = selection.set('focusOffset', focus.offset)
       selection = selection.set('isBackward', isBackward)
-      selection = selection.set('hasFocus', true)
+      selection = selection.set('isFocused', true)
       state = state.set('selection', selection)
       this.onChange(state)
       return

lib/components/leaf.js

@@ -29,7 +29,7 @@ class LeafNode extends React.Component {
     const { selection } = state
 
     // If the selection is not focused we have nothing to do.
-    if (!selection.hasFocus) return
+    if (!selection.isFocused) return
 
     const { anchorKey, anchorOffset, focusKey, focusOffset } = selection
     const { node, range } = this.props

lib/models/selection.js

@@ -11,7 +11,7 @@ const SelectionRecord = new Record({
   focusKey: null,
   focusOffset: 0,
   isBackward: false,
-  hasFocus: false
+  isFocused: false
 })
 
 /**