Revert "Add ability to show/hide accessibility_shortcut_preference."

This reverts commit 4983dc1227dd3fd0c5b70ca397bdb287884478dc.

Reason for revert: Moving logic somewhere else.

Change-Id: I2f2e3ac6545e8599de32afb1fe6f6d108601e37d
diff --git a/res/values/bools.xml b/res/values/bools.xml
index f20b93c..1089fba 100644
--- a/res/values/bools.xml
+++ b/res/values/bools.xml
@@ -156,9 +156,6 @@
     <!-- Whether color inversion preference should be shown or not. -->
     <bool name="config_show_color_inversion_preference">true</bool>
 
-    <!-- Whether accessibility shortcut preference should be shown or not. -->
-    <bool name="config_show_accessibility_shortcut_preference">true</bool>
-
     <!-- Whether assist_and_voice_input should be shown or not. -->
     <bool name="config_show_assist_and_voice_input">true</bool>
 
diff --git a/src/com/android/settings/accessibility/AccessibilitySettings.java b/src/com/android/settings/accessibility/AccessibilitySettings.java
index bd63225..ef3eb27 100644
--- a/src/com/android/settings/accessibility/AccessibilitySettings.java
+++ b/src/com/android/settings/accessibility/AccessibilitySettings.java
@@ -33,7 +33,6 @@
 import android.os.Vibrator;
 import android.provider.SearchIndexableResource;
 import android.provider.Settings;
-import android.support.annotation.VisibleForTesting;
 import android.support.v14.preference.SwitchPreference;
 import android.support.v4.content.ContextCompat;
 import android.support.v7.preference.ListPreference;
@@ -104,6 +103,8 @@
             "toggle_master_mono";
     private static final String SELECT_LONG_PRESS_TIMEOUT_PREFERENCE =
             "select_long_press_timeout_preference";
+    private static final String ACCESSIBILITY_SHORTCUT_PREFERENCE =
+            "accessibility_shortcut_preference";
     private static final String CAPTIONING_PREFERENCE_SCREEN =
             "captioning_preference_screen";
     private static final String DISPLAY_MAGNIFICATION_PREFERENCE_SCREEN =
@@ -121,8 +122,6 @@
             "toggle_inversion_preference";
     @VisibleForTesting static final String DISPLAY_DALTONIZER_PREFERENCE_SCREEN =
             "daltonizer_preference_screen";
-    @VisibleForTesting static final String ACCESSIBILITY_SHORTCUT_PREFERENCE =
-            "accessibility_shortcut_preference";
 
     // Extras passed to sub-fragments.
     static final String EXTRA_PREFERENCE_KEY = "preference_key";
@@ -683,7 +682,6 @@
         updateAutoclickSummary(mAutoclickPreferenceScreen);
 
         updateAccessibilityShortcut(mAccessibilityShortcutPreferenceScreen);
-        checkAccessibilityShortcutVisibility(mAccessibilityShortcutPreferenceScreen);
     }
 
     private void updateMagnificationSummary(Preference pref) {
@@ -818,13 +816,6 @@
         }
     }
 
-    @VisibleForTesting void checkAccessibilityShortcutVisibility(Preference preference) {
-        if (!getContext().getResources().getBoolean(
-                R.bool.config_show_accessibility_shortcut_preference)) {
-            removePreference(ACCESSIBILITY_SHORTCUT_PREFERENCE);
-        }
-    }
-
     private static void configureMagnificationPreferenceIfNeeded(Preference preference) {
         // Some devices support only a single magnification mode. In these cases, we redirect to
         // the magnification mode's UI directly, rather than showing a PreferenceScreen with a
@@ -860,12 +851,6 @@
                     keys.add(FONT_SIZE_PREFERENCE_SCREEN);
                     keys.add(KEY_DISPLAY_SIZE);
 
-                    // Remove Accessibility Shortcuts if it's not visible
-                    if (!context.getResources().getBoolean(
-                            R.bool.config_show_accessibility_shortcut_preference)) {
-                        keys.add(ACCESSIBILITY_SHORTCUT_PREFERENCE);
-                    }
-
                     // Duplicates in Language & Input
                     keys.add(TTS_SETTINGS_PREFERENCE);
 
diff --git a/tests/robotests/res/values-mcc999/config.xml b/tests/robotests/res/values-mcc999/config.xml
index 01bfa51..606a740 100644
--- a/tests/robotests/res/values-mcc999/config.xml
+++ b/tests/robotests/res/values-mcc999/config.xml
@@ -47,7 +47,6 @@
     <bool name="config_show_trust_agent_click_intent">false</bool>
     <bool name="config_show_wallpaper_attribution">false</bool>
     <bool name="config_show_default_home">false</bool>
-    <bool name="config_show_accessibility_shortcut_preference">false</bool>
     <bool name="config_show_assist_and_voice_input">false</bool>
     <bool name="config_show_phone_language">false</bool>
     <bool name="config_show_virtual_keyboard_pref">false</bool>
diff --git a/tests/robotests/src/com/android/internal/accessibility/AccessibilityShortcutController.java b/tests/robotests/src/com/android/internal/accessibility/AccessibilityShortcutController.java
deleted file mode 100644
index aae2f8d..0000000
--- a/tests/robotests/src/com/android/internal/accessibility/AccessibilityShortcutController.java
+++ /dev/null
@@ -1,42 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.internal.accessibility;
-
-import android.content.ComponentName;
-
-import java.util.HashMap;
-import java.util.Map;
-
-/**
- * Fake controller to make robolectric test compile. Should be removed when Robolectric supports
- * API 25.
- */
-public class AccessibilityShortcutController {
-
-    public static Map<ComponentName, AccessibilityShortcutController.ToggleableFrameworkFeatureInfo>
-        getFrameworkShortcutFeaturesMap() {
-        return new HashMap<>();
-    }
-
-    public static class ToggleableFrameworkFeatureInfo {
-        private String mSettingKey;
-
-        public String getSettingKey() {
-            return mSettingKey;
-        }
-    }
-}
diff --git a/tests/robotests/src/com/android/settings/accessibility/AccessibilitySettingsTest.java b/tests/robotests/src/com/android/settings/accessibility/AccessibilitySettingsTest.java
index 96ce183..c853c7f 100644
--- a/tests/robotests/src/com/android/settings/accessibility/AccessibilitySettingsTest.java
+++ b/tests/robotests/src/com/android/settings/accessibility/AccessibilitySettingsTest.java
@@ -16,107 +16,39 @@
 
 package com.android.settings.accessibility;
 
-import static com.google.common.truth.Truth.assertThat;
-import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.spy;
-
 import android.content.Context;
-import android.support.v7.preference.Preference;
 
 import com.android.settings.R;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 import com.android.settings.TestConfig;
 import com.android.settings.testutils.XmlTestUtils;
-
-import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
-import org.mockito.MockitoAnnotations;
 import org.robolectric.RuntimeEnvironment;
 import org.robolectric.annotation.Config;
 
 import java.util.ArrayList;
 import java.util.List;
 
+import static com.google.common.truth.Truth.assertThat;
+
 @RunWith(SettingsRobolectricTestRunner.class)
 @Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)
 public class AccessibilitySettingsTest {
 
-    private Context mContext;
-    private AccessibilitySettings mFragment;
-    private boolean mAccessibilityShortcutPreferenceRemoved;
-    private boolean mColorInversionPreferenceRemoved;
-    private boolean mColorCorrectionPreferenceRemoved;
-
-    @Before
-    public void setUp() {
-        MockitoAnnotations.initMocks(this);
-        mContext = spy(RuntimeEnvironment.application);
-        mFragment = new AccessibilitySettings() {
-            @Override
-            public Context getContext() {
-                return mContext;
-            }
-
-            @Override
-            protected boolean removePreference(String key) {
-                if (AccessibilitySettings.ACCESSIBILITY_SHORTCUT_PREFERENCE.equals(key)) {
-                    mAccessibilityShortcutPreferenceRemoved = true;
-                    return true;
-                }
-
-                if (AccessibilitySettings.TOGGLE_INVERSION_PREFERENCE.equals(key)) {
-                    mColorInversionPreferenceRemoved = true;
-                    return true;
-                }
-
-                if (AccessibilitySettings.DISPLAY_DALTONIZER_PREFERENCE_SCREEN.equals(key)) {
-                    mColorCorrectionPreferenceRemoved = true;
-                    return true;
-                }
-                return false;
-            }
-        };
-    }
-
     @Test
     public void testNonIndexableKeys_existInXmlLayout() {
+        final Context context = RuntimeEnvironment.application;
         final List<String> niks = AccessibilitySettings.SEARCH_INDEX_DATA_PROVIDER
-                .getNonIndexableKeys(mContext);
+                .getNonIndexableKeys(context);
         final List<String> keys = new ArrayList<>();
 
-        keys.addAll(XmlTestUtils.getKeysFromPreferenceXml(mContext, R.xml.accessibility_settings));
+        keys.addAll(XmlTestUtils.getKeysFromPreferenceXml(context, R.xml.accessibility_settings));
 
         assertThat(keys).containsAllIn(niks);
     }
 
     @Test
-    public void testAccessibilityShortcutPreference_byDefault_shouldBeShown() {
-        final Preference preference = new Preference(mContext);
-        mFragment.checkAccessibilityShortcutVisibility(preference);
-
-        assertThat(mAccessibilityShortcutPreferenceRemoved).isFalse();
-    }
-
-    @Test
-    @Config(qualifiers = "mcc999")
-    public void testAccessibilityShortcutPreference_ifDisabled_shouldNotBeShown() {
-        final Preference preference = new Preference(mContext);
-        mFragment.checkAccessibilityShortcutVisibility(preference);
-
-        assertThat(mAccessibilityShortcutPreferenceRemoved).isTrue();
-    }
-
-    @Test
-    @Config(qualifiers = "mcc999")
-    public void testNonIndexableKeys_ifAccessibilityShortcutNotVisible_containsKey() {
-        final List<String> niks = AccessibilitySettings.SEARCH_INDEX_DATA_PROVIDER
-                .getNonIndexableKeys(mContext);
-
-        assertThat(niks).contains(AccessibilitySettings.ACCESSIBILITY_SHORTCUT_PREFERENCE);
-    }
-
-    @Test
     public void testColorInversionPreference_byDefault_shouldBeShown() {
         final Preference preference = new Preference(mContext);
         mFragment.checkColorInversionVisibility(preference);