Make experimental app launcher show 4 rows of apps.

ui/app_list/views/apps_container_view.cc

Index: ui/app_list/views/apps_container_view.cc
diff --git a/ui/app_list/views/apps_container_view.cc b/ui/app_list/views/apps_container_view.cc
index 4d6fdaba35dd99961639d1c1970218efaf9edf9f..bd29cb8fde5066a43a89af8ae7ae0a1c95544004 100644
--- a/ui/app_list/views/apps_container_view.cc
+++ b/ui/app_list/views/apps_container_view.cc
@@ -28,10 +28,12 @@ AppsContainerView::AppsContainerView(AppListMainView* app_list_main_view,
   apps_grid_view_ = new AppsGridView(app_list_main_view);
   int cols = kPreferredCols;
   int rows = kPreferredRows;
-  // ShouldCenterWindow also implies that it is wide instead of tall.
-  if (app_list_main_view->ShouldCenterWindow()) {
+  if (switches::IsExperimentalAppListEnabled()) {
     cols = kExperimentalPreferredCols;
     rows = kExperimentalPreferredRows;
+  } else if (app_list_main_view->ShouldCenterWindow()) {
+    cols = kCenteredPreferredCols;
+    rows = kCenteredPreferredRows;
   }

[Matt Giuca, 2014/09/16 06:39:40]

optional nit: I think I would prefer declaring these without initializing them,
and then setting them to kPreferredCols and kPreferredRows in an unconditional
else branch.

[calamity, 2014/09/16 06:55:12]

Done.

   apps_grid_view_->SetLayout(cols, rows);
   AddChildView(apps_grid_view_);