MacViews: Fix duplicate definition of ExtensionKeyBindingRegistry::SetShortcutHandlingSuspended

ui/views/focus/focus_manager_unittest.cc

Index: ui/views/focus/focus_manager_unittest.cc
diff --git a/ui/views/focus/focus_manager_unittest.cc b/ui/views/focus/focus_manager_unittest.cc
index 32b8665925646f3f949002e19ba1fa159a7c6548..5ff900e106f3ccd307e6d397becb05377d8f1212 100644
--- a/ui/views/focus/focus_manager_unittest.cc
+++ b/ui/views/focus/focus_manager_unittest.cc
@@ -469,6 +469,38 @@ TEST_F(FocusManagerTest, CallsSelfDeletingAcceleratorTarget) {
   EXPECT_EQ(target.accelerator_count(), 1);
 }
 
+static bool SuspendAcceleratorsCallback(bool input) {
+  return input;
+}
+
+TEST_F(FocusManagerTest, SuspendAccelerators) {
+  const ui::KeyEvent event(ui::ET_KEY_PRESSED, ui::VKEY_RETURN, ui::EF_NONE);
+  ui::Accelerator accelerator(event.key_code(), event.flags());
+  TestAcceleratorTarget target(true);
+  FocusManager* focus_manager = GetFocusManager();
+  focus_manager->RegisterAccelerator(accelerator,
+                                     ui::AcceleratorManager::kNormalPriority,
+                                     &target);
+
+  // Callback returns true, should not process accelerators.
+  base::Callback<bool()> callback =
+      base::Bind(&SuspendAcceleratorsCallback, true);
+  focus_manager->set_shortcut_handling_suspended_callback(&callback);
+  EXPECT_TRUE(focus_manager->OnKeyEvent(event));
+  EXPECT_EQ(0, target.accelerator_count());
+
+  // Callback returns false, should process accelerators.
+  callback = base::Bind(&SuspendAcceleratorsCallback, false);
+  focus_manager->set_shortcut_handling_suspended_callback(&callback);
+  EXPECT_FALSE(focus_manager->OnKeyEvent(event));
+  EXPECT_EQ(1, target.accelerator_count());
+
+  // Uninstall callback, should process accelerators.
+  focus_manager->set_shortcut_handling_suspended_callback(nullptr);
+  EXPECT_FALSE(focus_manager->OnKeyEvent(event));
+  EXPECT_EQ(2, target.accelerator_count());
+}
+
 class FocusManagerDtorTest : public FocusManagerTest {
  protected:
   typedef std::vector<std::string> DtorTrackVector;