Removes the grid from ash.

ash/wm/workspace/workspace_manager.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ash/wm/workspace/workspace_manager.h"
 
 #include <algorithm>
 
 #include "ash/screen_ash.h"
 #include "ash/shell.h"
@@ skipping 130 matching lines @@
       OnTypeOfWorkspacedNeededChanged(window);
   }
   UpdateShelfVisibility();
 }
 
 bool WorkspaceManager::IsInMaximizedMode() const {
   return active_workspace_ &&
       active_workspace_->type() == Workspace::TYPE_MAXIMIZED;
 }
 
-void WorkspaceManager::SetGridSize(int size) {
-  grid_size_ = size;
-}
-
-int WorkspaceManager::GetGridSize() const {
-  return grid_size_;
-}
-
 WorkspaceWindowState WorkspaceManager::GetWindowState() const {
   if (!shelf_ || !active_workspace_)
     return WORKSPACE_WINDOW_STATE_DEFAULT;
 
   // TODO: this code needs to be made multi-display aware.
   gfx::Rect shelf_bounds(shelf_->GetIdealBounds());
   const aura::Window::Windows& windows(contents_view_->children());
   bool window_overlaps_launcher = false;
   bool has_maximized_window = false;
   for (aura::Window::Windows::const_iterator i = windows.begin();
@@ skipping 198 matching lines @@
   return workspace;
 }
 
 void WorkspaceManager::CleanupWorkspace(Workspace* workspace) {
   if (workspace->type() != Workspace::TYPE_MANAGED && workspace->is_empty())
     delete workspace;
 }
 
 }  // namespace internal
 }  // namespace ash