Custom buttons should only handle accelerators when focused.

ui/views/controls/button/custom_button_unittest.cc

 // Copyright (c) 2012 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.
 
 #include "ui/views/controls/button/custom_button.h"
 
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/base/layout.h"
 #include "ui/events/event_utils.h"
 #include "ui/gfx/screen.h"
@@ skipping 186 matching lines @@
 
   // The button should no longer notify on mouse release.
   button()->Reset();
   button()->OnMouseReleased(ui::MouseEvent(
       ui::ET_MOUSE_RELEASED, center, center, ui::EventTimeForNow(),
       ui::EF_LEFT_MOUSE_BUTTON, ui::EF_LEFT_MOUSE_BUTTON));
   EXPECT_EQ(CustomButton::STATE_HOVERED, button()->state());
   EXPECT_FALSE(button()->notified());
 }
 
+TEST_F(CustomButtonTest, HandleAcceleratorWhenFocused) {
+  // Shouldn't handle accelerators when not focused.

[msw, 2015/11/10 22:48:34]

Update the test for the behavior I explained in my other comment.
It should be an interactive_ui_test, since it depends on activation.
(or maybe use a TestWidget subclass with an |active| flag/accessors)

[meacer, 2015/11/11 00:32:59]

Added TestWidget class here.

+  button()->GetFocusManager()->ClearFocus();
+  button()->AcceleratorPressed(ui::Accelerator(ui::VKEY_RETURN, ui::EF_NONE));
+  EXPECT_FALSE(button()->notified());
+  // Should handle accelerators when focused.
+  button()->GetFocusManager()->SetFocusedView(button());
+  button()->AcceleratorPressed(ui::Accelerator(ui::VKEY_RETURN, ui::EF_NONE));
+  EXPECT_TRUE(button()->notified());
+  // Focus lost again.
+  button()->Reset();
+  button()->GetFocusManager()->ClearFocus();
+  button()->AcceleratorPressed(ui::Accelerator(ui::VKEY_RETURN, ui::EF_NONE));
+  EXPECT_FALSE(button()->notified());
+}
+
 // No touch on desktop Mac. Tracked in http://crbug.com/445520.
 #if !defined(OS_MACOSX) || defined(USE_AURA)
 
 namespace {
 
 void PerformGesture(CustomButton* button, ui::EventType event_type) {
   ui::GestureEventDetails gesture_details(event_type);
   base::TimeDelta time_stamp = base::TimeDelta::FromMicroseconds(0);
   ui::GestureEvent gesture_event(0, 0, 0, time_stamp, gesture_details);
   button->OnGestureEvent(&gesture_event);
@@ skipping 43 matching lines @@
   EXPECT_FALSE(CustomButton::AsCustomButton(&label));
 
   Link link(text);
   EXPECT_FALSE(CustomButton::AsCustomButton(&link));
 
   Textfield textfield;
   EXPECT_FALSE(CustomButton::AsCustomButton(&textfield));
 }
 
 }  // namespace views