Some code cleanup

Author: StanleyGoldman

src/UnityExtension/Assets/Editor/GitHub.Unity/UI/BranchesView.cs

@@ -185,14 +185,14 @@ private void UpdateTreeIcons()
 
         private void UpdateTreeStyles()
         {
-            if (treeLocals != null && treeLocals.FolderStyle == null)
+            if (treeLocals.FolderStyle == null)
             {
                 treeLocals.FolderStyle = Styles.Foldout;
                 treeLocals.TreeNodeStyle = Styles.TreeNode;
                 treeLocals.ActiveTreeNodeStyle = Styles.TreeNodeActive;
             }
 
-            if (treeRemotes != null && treeRemotes.FolderStyle == null)
+            if (treeRemotes.FolderStyle == null)
             {
                 treeRemotes.FolderStyle = Styles.Foldout;
                 treeRemotes.TreeNodeStyle = Styles.TreeNode;

src/UnityExtension/Assets/Editor/GitHub.Unity/UI/ChangesView.cs

@@ -49,7 +49,6 @@ public override void OnDisable()
         public override void OnDataUpdate()
         {
             base.OnDataUpdate();
-
             MaybeUpdateData();
         }
 
@@ -101,15 +100,9 @@ public override void OnGUI()
 
         private void OnTreeGUI(Rect rect)
         {
-            var initialRect = rect;
-
-            if (treeChanges.FolderStyle == null)
-            {
-                treeChanges.FolderStyle = Styles.Foldout;
-                treeChanges.TreeNodeStyle = Styles.TreeNode;
-                treeChanges.ActiveTreeNodeStyle = Styles.TreeNodeActive;
-            }
+            UpdateTreeStyles();
 
+            var initialRect = rect;
             rect = treeChanges.Render(initialRect, rect, scroll,
                 node => { },
                 node => {
@@ -123,6 +116,16 @@ private void OnTreeGUI(Rect rect)
             GUILayout.Space(rect.y - initialRect.y);
         }
 
+        private void UpdateTreeStyles()
+        {
+            if (treeChanges.FolderStyle == null)
+            {
+                treeChanges.FolderStyle = Styles.Foldout;
+                treeChanges.TreeNodeStyle = Styles.TreeNode;
+                treeChanges.ActiveTreeNodeStyle = Styles.TreeNodeActive;
+            }
+        }
+
         private void RepositoryOnStatusEntriesChanged(CacheUpdateEvent cacheUpdateEvent)
         {
             if (!lastStatusEntriesChangedEvent.Equals(cacheUpdateEvent))

src/UnityExtension/Assets/Editor/GitHub.Unity/UI/TreeControl.cs

@@ -11,7 +11,6 @@ namespace GitHub.Unity
     [Serializable]
     public class TreeNodeDictionary : SerializableDictionary<string, TreeNode> { }
 
-
     [Serializable]
     public abstract class Tree: ITree
     {