Factor tab context menu into a shared model and fix mac and win to use it. Im...

chrome/browser/cocoa/tab_controller_unittest.mm

Index: chrome/browser/cocoa/tab_controller_unittest.mm
===================================================================
--- chrome/browser/cocoa/tab_controller_unittest.mm	(revision 34596)
+++ chrome/browser/cocoa/tab_controller_unittest.mm	(working copy)
@@ -257,4 +257,17 @@
   EXPECT_GT(cap, 0);
 }
 
+TEST_F(TabControllerTest, Menu) {
+  NSWindow* window = test_window();
+  scoped_nsobject<TabController> controller([[TabController alloc] init]);
+  [[window contentView] addSubview:[controller view]];
+  int cap = [controller iconCapacity];
+  EXPECT_GT(cap, 0);
+
+  // Asking the view for its menu should yield a valid menu.
+  NSMenu* menu = [[controller view] menu];
+  EXPECT_TRUE(menu);
+  EXPECT_GT([menu numberOfItems], 0);
+}
+
 }  // namespace