Change the name of the browser item in the launcher

ash/test/test_shell_delegate.cc

Index: ash/test/test_shell_delegate.cc
diff --git a/ash/test/test_shell_delegate.cc b/ash/test/test_shell_delegate.cc
index 46901561d1621dfdd0d05ddcc66545596c838c7d..5c1946cf6f1403edc7d1ebe2e0f07eb7b89f8fcc 100644
--- a/ash/test/test_shell_delegate.cc
+++ b/ash/test/test_shell_delegate.cc
@@ -223,5 +223,10 @@ void TestShellDelegate::SetCanLockScreen(bool can_lock_screen) {
   can_lock_screen_ = can_lock_screen;
 }
 
+string16 TestShellDelegate::GetProductName() const {
+  return string16();
+}
+
+
 }  // namespace test
 }  // namespace ash