Move storage dir path to Atom

src/atom.coffee

@@ -251,6 +251,10 @@ class Atom
   getConfigDirPath: ->
     @configDirPath ?= fs.absolute('~/.atom')
 
+  # Public: Get the directory path to Atom's storage area.
+  getStorageDirPath: ->
+    @storageDirPath ?= path.join(@getConfigDirPath(), 'storage')
+
   getWindowStatePath: ->
     switch @windowMode
       when 'spec'
@@ -262,7 +266,7 @@ class Atom
           filename = "editor-#{sha1}"
 
     if filename
-      path.join(@config.userStoragePath, filename)
+      path.join(@getStorageDirPath(), filename)
     else
       null
 

src/config.coffee

@@ -41,7 +41,6 @@ class Config
     if atom.getLoadSettings().devMode
       @packageDirPaths.unshift(path.join(@configDirPath, "dev", "packages"))
     @userPackageDirPaths = _.clone(@packageDirPaths)
-    @userStoragePath = path.join(@configDirPath, "storage")
 
     @defaultSettings =
       core: _.clone(require('./root-view').configDefaults)