Make parent access view labels focusable only in accessibility mode

Test: ParentAccessViewTest
Bug: 999384, 999391
Change-Id: I22f5a4bf109401822bc4492efd55f0e4d77630d0
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1793636Reviewed-by: Toni Baržić <tbarzic@chromium.org>
Commit-Queue: Aga Wronska <agawronska@chromium.org>
Cr-Commit-Position: refs/heads/master@{#695208}

ash/login/ui/parent_access_view.cc

@@ -617,7 +617,7 @@ ParentAccessView::ParentAccessView(const AccountId& account_id,
     label->SetSubpixelRenderingEnabled(false);
     label->SetAutoColorReadabilityEnabled(false);
     label->SetEnabledColor(kTextColor);
-    label->SetFocusBehavior(FocusBehavior::ALWAYS);
+    label->SetFocusBehavior(FocusBehavior::ACCESSIBLE_ONLY);
   };
 
   // Main view title.

ash/login/ui/parent_access_view_unittest.cc

@@ -506,12 +506,6 @@ TEST_F(ParentAccessViewTest, TabKeyTraversal) {
   generator->PressKey(ui::KeyboardCode::VKEY_TAB, ui::EF_NONE);
   EXPECT_TRUE(test_api.back_button()->HasFocus());
 
-  generator->PressKey(ui::KeyboardCode::VKEY_TAB, ui::EF_NONE);
-  EXPECT_TRUE(test_api.title_label()->HasFocus());
-
-  generator->PressKey(ui::KeyboardCode::VKEY_TAB, ui::EF_NONE);
-  EXPECT_TRUE(test_api.description_label()->HasFocus());
-
   generator->PressKey(ui::KeyboardCode::VKEY_TAB, ui::EF_NONE);
   EXPECT_TRUE(HasFocusInAnyChildView(test_api.access_code_view()));
 
@@ -538,12 +532,6 @@ TEST_F(ParentAccessViewTest, BackwardTabKeyTraversal) {
   generator->PressKey(ui::KeyboardCode::VKEY_TAB, ui::EF_SHIFT_DOWN);
   EXPECT_TRUE(HasFocusInAnyChildView(test_api.access_code_view()));
 
-  generator->PressKey(ui::KeyboardCode::VKEY_TAB, ui::EF_SHIFT_DOWN);
-  EXPECT_TRUE(test_api.description_label()->HasFocus());
-
-  generator->PressKey(ui::KeyboardCode::VKEY_TAB, ui::EF_SHIFT_DOWN);
-  EXPECT_TRUE(test_api.title_label()->HasFocus());
-
   generator->PressKey(ui::KeyboardCode::VKEY_TAB, ui::EF_SHIFT_DOWN);
   EXPECT_TRUE(test_api.back_button()->HasFocus());