Use default dimensions the first time we load a window, but saved dimensions after that.

src/atom-environment.coffee

@@ -384,6 +384,9 @@ class AtomEnvironment extends Model
   inSpecMode: ->
     @specMode ?= @getLoadSettings().isSpec
 
+  isFirstLoad: ->
+    @firstLoad ?= @getLoadSettings().firstLoad
+
   # Public: Get the version of the Atom application.
   #
   # Returns the version text {String}.
@@ -492,8 +495,6 @@ class AtomEnvironment extends Model
 
   # Extended: Reload the current window.
   reload: ->
-    @saveWindowDimensions()
-
     @applicationDelegate.restartWindow()
 
   # Extended: Returns a {Boolean} that is `true` if the current window is maximized.
@@ -532,6 +533,11 @@ class AtomEnvironment extends Model
       @setFullScreen(true) if @workspace?.fullScreen
       @maximize() if dimensions?.maximized and process.platform isnt 'darwin'
 
+      if @isFirstLoad()
+        loadSettings = getWindowLoadSettings()
+        loadSettings.firstLoad = false
+        setWindowLoadSettings(loadSettings)
+
   # Get the dimensions of this window.
   #
   # Returns an {Object} with the following keys:
@@ -593,7 +599,14 @@ class AtomEnvironment extends Model
       {x: 0, y: 0, width: Math.min(1024, width), height}
 
   restoreWindowDimensions: ->
-    dimensions = @state.windowDimensions
+    dimensions = null
+
+    # The first time the window's loaded we want to use the default dimensions.
+    # But after that, e.g., when the window's been reloaded, we want to use the
+    # dimensions we've saved for it.
+    if !@isFirstLoad()
+      dimensions = @state.windowDimensions
+
     unless @isValidDimensions(dimensions)
       dimensions = @getDefaultWindowDimensions()
     @setWindowDimensions(dimensions)
@@ -625,7 +638,7 @@ class AtomEnvironment extends Model
     @registerDefaultTargetForKeymaps()
 
     @packages.loadPackages()
-    @loadStateSync()
+
     @document.body.appendChild(@views.getView(@workspace))
 
     @watchProjectPath()
@@ -782,11 +795,6 @@ class AtomEnvironment extends Model
 
     @blobStore.save()
 
-  saveWindowDimensions: ->
-    loadSettings = getWindowLoadSettings()
-    loadSettings['windowDimensions'] = @getWindowDimensions()
-    setWindowLoadSettings(loadSettings)
-
   saveStateSync: ->
     return unless @enablePersistence
 

src/browser/atom-window.coffee

@@ -49,6 +49,7 @@ class AtomWindow
     loadSettings.devMode ?= false
     loadSettings.safeMode ?= false
     loadSettings.atomHome = process.env.ATOM_HOME
+    loadSettings.firstLoad = true
 
     # Only send to the first non-spec window created
     if @constructor.includeShellLoadTime and not @isSpec

src/initialize-application-window.coffee

@@ -23,6 +23,7 @@ module.exports = ({blobStore}) ->
     enablePersistence: true
   })
 
+  atom.loadStateSync()
   atom.displayWindow()
   atom.startEditorWindow()