MacViews: Fix ViewTest.HandleAccelerator by faking window activation

ui/views/test/views_test_helper.cc

Index: ui/views/test/views_test_helper.cc
diff --git a/ui/views/test/views_test_helper.cc b/ui/views/test/views_test_helper.cc
index 75588a6cb7f0d338bc55788cc8a4b7d1e71be643..bd2ebfb579e4e76b3e92fa19f330248d8e21215e 100644
--- a/ui/views/test/views_test_helper.cc
+++ b/ui/views/test/views_test_helper.cc
@@ -6,20 +6,18 @@
 
 namespace views {
 
-ViewsTestHelper::ViewsTestHelper() {
-}
+ViewsTestHelper::ViewsTestHelper() {}
 
-ViewsTestHelper::~ViewsTestHelper() {
-}
+ViewsTestHelper::~ViewsTestHelper() {}
 
-void ViewsTestHelper::SetUp() {
-}
+void ViewsTestHelper::SetUp() {}
 
-void ViewsTestHelper::TearDown() {
-}
+void ViewsTestHelper::TearDown() {}
 
 gfx::NativeWindow ViewsTestHelper::GetContext() {
   return NULL;
 }
 
+void ViewsTestHelper::EnableFakeWindowActivation() {}
+
 }  // namespace views