Removes the grid from ash.

ash/shell.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/shell.h"
 
 #include <algorithm>
 #include <string>
 
 #include "ash/accelerators/focus_manager_factory.h"
@@ skipping 638 matching lines @@
 }
 
 SystemTrayDelegate* Shell::tray_delegate() {
   return status_area_widget_->system_tray_delegate();
 }
 
 SystemTray* Shell::system_tray() {
   return status_area_widget_->system_tray();
 }
 
-int Shell::GetGridSize() const {
-  return
-      GetPrimaryRootWindowController()->workspace_controller()->GetGridSize();
-}
-
 void Shell::InitRootWindowForSecondaryDisplay(aura::RootWindow* root) {
   root->set_focus_manager(focus_manager_.get());
   internal::RootWindowController* controller =
       new internal::RootWindowController(root);
   controller->CreateContainers();
   InitRootWindowController(controller);
   controller->root_window_layout()->OnWindowResized();
   desktop_background_controller_->OnRootWindowAdded(root);
   root->ShowRootWindow();
   // Activate new root for testing.
@@ skipping 72 matching lines @@
       GetPrimaryRootWindow(),
       internal::kShellWindowId_PanelContainer);
   panel_layout_manager_ =
       new internal::PanelLayoutManager(panel_container);
   panel_container->SetEventFilter(
       new internal::PanelWindowEventFilter(
           panel_container, panel_layout_manager_));
   panel_container->SetLayoutManager(panel_layout_manager_);
 }
 
-// TODO: this is only used in tests, move with test.
-void Shell::DisableWorkspaceGridLayout() {
-  RootWindowControllerList controllers = GetAllRootWindowControllers();
-  for (RootWindowControllerList::iterator iter = controllers.begin();
-       iter != controllers.end(); ++iter)
-    (*iter)->workspace_controller()->SetGridSize(0);
-}
-
 void Shell::SetCursor(gfx::NativeCursor cursor) {
   RootWindowList root_windows = GetAllRootWindows();
   for (RootWindowList::iterator iter = root_windows.begin();
        iter != root_windows.end(); ++iter)
     (*iter)->SetCursor(cursor);
 }
 
 void Shell::ShowCursor(bool visible) {
   RootWindowList root_windows = GetAllRootWindows();
   for (RootWindowList::iterator iter = root_windows.begin();
        iter != root_windows.end(); ++iter)
     (*iter)->ShowCursor(visible);
 }
 
 }  // namespace ash