Valgrind/Heapchecker: Fix leaks in TabbedPaneTest.

ui/views/controls/tabbed_pane/tabbed_pane_unittest.cc

Index: ui/views/controls/tabbed_pane/tabbed_pane_unittest.cc
===================================================================
--- ui/views/controls/tabbed_pane/tabbed_pane_unittest.cc	(revision 149223)
+++ ui/views/controls/tabbed_pane/tabbed_pane_unittest.cc	(working copy)
@@ -100,6 +100,12 @@
   // If we switch to the other tab, it should get assigned the same bounds.
   tabbed_pane->SelectTabAt(1);
   EXPECT_EQ(bounds, child2->bounds());
+
+  // Clean up.
+  delete tabbed_pane->RemoveTabAtIndex(0);
+  EXPECT_EQ(1, tabbed_pane->GetTabCount());
+  delete tabbed_pane->RemoveTabAtIndex(0);
+  EXPECT_EQ(0, tabbed_pane->GetTabCount());
 }
 
 void TabbedPaneTest::TestAddRemove(TabbedPane* tabbed_pane) {
@@ -142,6 +148,13 @@
   // Remove the first one.
   delete tabbed_pane->RemoveTabAtIndex(0);
   EXPECT_EQ(0, tabbed_pane->GetSelectedTabIndex());
+
+  // Clean up the other panes.
+  EXPECT_EQ(3, tabbed_pane->GetTabCount());
+  delete tabbed_pane->RemoveTabAtIndex(0);
+  delete tabbed_pane->RemoveTabAtIndex(0);
+  delete tabbed_pane->RemoveTabAtIndex(0);
+  EXPECT_EQ(0, tabbed_pane->GetTabCount());
 }
 
 // Tests TabbedPane::GetPreferredSize() and TabbedPane::Layout().
@@ -167,4 +180,4 @@
 #endif
 }
 
-} // namespace views
+}  // namespace views