[gnome-shell] workspace: Remove some additional features used for GridLayoutStrategy

[Jasper St. Pierre <jstpierre src gnome org>]

commit d58b715c52579e519cb17d155385ef5a08d7b5f5
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Mon Feb 25 19:23:39 2013 -0500

    workspace: Remove some additional features used for GridLayoutStrategy
    
    While we won't tear down the entire strategy infrastructure, we want to
    rework some layout code in the future, so just tear this piece out for
    now.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=694902

 js/ui/workspace.js |   18 ++++--------------
 1 files changed, 4 insertions(+), 14 deletions(-)
---
diff --git a/js/ui/workspace.js b/js/ui/workspace.js
index b6c0d22..3de61f0 100644
--- a/js/ui/workspace.js
+++ b/js/ui/workspace.js
@@ -583,13 +583,9 @@ const LayoutStrategy = new Lang.Class({
         //   meant to be scaled
         //
         // * neither height/fullHeight have any sort of spacing or padding
-        //
-        // * if cellWidth is present, all windows in the row will occupy
-        //   the space of cellWidth, centered.
         return { x: 0, y: 0,
                  width: 0, height: 0,
                  fullWidth: 0, fullHeight: 0,
-                 cellWidth: 0,
                  windows: [] };
     },
 
@@ -614,8 +610,8 @@ const LayoutStrategy = new Lang.Class({
 
     // Compute the size of each row, by assigning to the properties
     // row.width, row.height, row.fullWidth, row.fullHeight, and
-    // (optionally) row.cellWidth, for each row in @layout.rows.
-    // This method is intended to be called by subclasses.
+    // (optionally) for each row in @layout.rows. This method is
+    // intended to be called by subclasses.
     _computeRowSizes: function(layout) {
         throw new Error('_computeRowSizes not implemented');
     },
@@ -697,7 +693,7 @@ const LayoutStrategy = new Lang.Class({
         for (let i = 0; i < rows.length; i++) {
             let row = rows[i];
             row.y += baseY;
-            let baseX = row.x;
+            let x = row.x;
             for (let j = 0; j < row.windows.length; j++) {
                 let window = row.windows[j];
 
@@ -707,14 +703,8 @@ const LayoutStrategy = new Lang.Class({
                 let height = window.actor.height * s;
                 let y = row.y + row.height - height;
 
-                let x = baseX;
-                if (row.cellWidth) {
-                    x += (row.cellWidth - width) / 2;
-                    width = row.cellWidth;
-                }
-
                 slots.push([x, y, s, window]);
-                baseX += width + this._columnSpacing;
+                x += width + this._columnSpacing;
             }
         }
         return slots;