MacViews: Fix ViewTest.HandleAccelerator by faking window activation

ui/base/test/ui_controls.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef UI_BASE_TEST_UI_CONTROLS_H_
 #define UI_BASE_TEST_UI_CONTROLS_H_
 
 #include "base/callback_forward.h"
 #include "build/build_config.h"
 #include "ui/events/keycodes/keyboard_codes.h"
@@ skipping 26 matching lines @@
 // Send a key press with/without modifier keys.
 //
 // If you're writing a test chances are you want the variant in ui_test_utils.
 // See it for details.
 
 // Per the above comment, these methods can only be called from non-sharded test
 // suites. This method ensures that they're not accidently called by sharded
 // tests.
 void EnableUIControls();
 
+#if defined(OS_MACOSX)
+bool IsUIControlsEnabled();
+#endif
+
 bool SendKeyPress(gfx::NativeWindow window,
                   ui::KeyboardCode key,
                   bool control,
                   bool shift,
                   bool alt,
                   bool command);
 bool SendKeyPressNotifyWhenDone(gfx::NativeWindow window,
                                 ui::KeyboardCode key,
                                 bool control,
                                 bool shift,
@@ skipping 43 matching lines @@
 #if defined(OS_MACOSX)
 // Returns true when tests need to use extra Tab and Shift-Tab key events
 // to traverse to the desired item; because the application is configured to
 // traverse more elements for accessibility reasons.
 bool IsFullKeyboardAccessEnabled();
 #endif
 
 }  // namespace ui_controls
 
 #endif  // UI_BASE_TEST_UI_CONTROLS_H_