Switch default WM mode to managed

ash/wm/workspace/workspace_manager.cc

Index: ash/wm/workspace/workspace_manager.cc
diff --git a/ash/wm/workspace/workspace_manager.cc b/ash/wm/workspace/workspace_manager.cc
index 67862b09437c28b5e7bd82918d6c44ed66969aae..4bfd62aee282381c653e2157922789dabb998fc9 100644
--- a/ash/wm/workspace/workspace_manager.cc
+++ b/ash/wm/workspace/workspace_manager.cc
@@ -75,7 +75,7 @@ WorkspaceManager::WorkspaceManager(aura::Window* contents_view)
       is_overview_(false),
       ignored_window_(NULL),
       grid_size_(0),
-      open_new_windows_maximized_(true),
+      open_new_windows_maximized_(false),
       shelf_(NULL) {
   DCHECK(contents_view);
 }
@@ -362,7 +362,7 @@ void WorkspaceManager::SetWindowBoundsFromRestoreBounds(aura::Window* window) {
     bounds = restore->AdjustToFit(GetWorkAreaBounds());
   else
     bounds = window->bounds().AdjustToFit(GetWorkAreaBounds());
-  SetWindowBounds(window, AlignRectToGrid(bounds, grid_size_));
+  SetWindowBounds(window, bounds);
   ash::ClearRestoreBounds(window);
 }