[Chrome OS] Change layout of the launcher.

ui/app_list/app_list_constants.cc

Index: ui/app_list/app_list_constants.cc
diff --git a/ui/app_list/app_list_constants.cc b/ui/app_list/app_list_constants.cc
index 9471460b2a856b0f0fbdfc43459a543047773273..6647753738691918f6d6a618b487081f8a9e5079 100644
--- a/ui/app_list/app_list_constants.cc
+++ b/ui/app_list/app_list_constants.cc
@@ -107,6 +107,12 @@ const int kCenteredPreferredRows = 3;
 const int kExperimentalPreferredCols = 6;
 const int kExperimentalPreferredRows = 4;
 
+// The number of apps shown in the start page app grid.
+const size_t kNumStartPageTiles = 9;
+
+// Maximum number of results to show in the launcher Search UI.
+const size_t kMaxSearchResults = 6;
+
 // Radius of the circle, in which if entered, show re-order preview.
 const int kReorderDroppingCircleRadius = 35;