Couple of tweaks for tables:

ui/views/examples/table_example.cc

Index: ui/views/examples/table_example.cc
diff --git a/ui/views/examples/table_example.cc b/ui/views/examples/table_example.cc
index bb553a1dc8c48d24cd538b34b4cf1ed04c00d6c4..efe108a1892337f2429160a91866dd552a2493ef 100644
--- a/ui/views/examples/table_example.cc
+++ b/ui/views/examples/table_example.cc
@@ -12,6 +12,7 @@
 #include "third_party/skia/include/core/SkCanvas.h"
 #include "ui/gfx/image/image_skia.h"
 #include "ui/views/controls/button/checkbox.h"
+#include "ui/views/controls/table/group_table_model.h"
 #include "ui/views/layout/grid_layout.h"
 
 namespace views {
@@ -67,6 +68,7 @@ void TableExample::CreateExampleView(View* container) {
   columns.push_back(TestTableColumn(3, "Price"));
   columns.back().alignment = ui::TableColumn::RIGHT;
   table_ = new TableView(this, columns, ICON_AND_TEXT, true, true, true);
+  table_->SetGrouper(this);
   table_->SetObserver(this);
   icon1_.setConfig(SkBitmap::kARGB_8888_Config, 16, 16);
   icon1_.allocPixels();
@@ -123,6 +125,19 @@ gfx::ImageSkia TableExample::GetIcon(int row) {
 
 void TableExample::SetObserver(ui::TableModelObserver* observer) {}
 
+void TableExample::GetGroupRange(int model_index, GroupRange* range) {
+  if (model_index < 2) {
+    range->start = 0;
+    range->length = 2;
+  } else if (model_index > 6) {
+    range->start = 7;
+    range->length = 3;
+  } else {
+    range->start = model_index;
+    range->length = 1;
+  }
+}
+
 void TableExample::OnSelectionChanged() {
   PrintStatus("Selected: %s",
               UTF16ToASCII(GetText(table_->FirstSelectedRow(), 0)).c_str());