Custom buttons should only handle accelerators when focused.

ui/views/controls/button/custom_button_unittest.cc

Index: ui/views/controls/button/custom_button_unittest.cc
diff --git a/ui/views/controls/button/custom_button_unittest.cc b/ui/views/controls/button/custom_button_unittest.cc
index e6e2ffc269aacdb3cf8cf7e16c0e7f7f31821558..f9fa35c4ffa326aa495b0077bb9039b21cb08858 100644
--- a/ui/views/controls/button/custom_button_unittest.cc
+++ b/ui/views/controls/button/custom_button_unittest.cc
@@ -204,6 +204,22 @@ TEST_F(CustomButtonTest, NotifyAction) {
   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)