Remove ResetDataActivity.

chrome/android/java/src/org/chromium/chrome/browser/childaccounts/ResetDataActivity.java

Index: chrome/android/java/src/org/chromium/chrome/browser/childaccounts/ResetDataActivity.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/childaccounts/ResetDataActivity.java b/chrome/android/java/src/org/chromium/chrome/browser/childaccounts/ResetDataActivity.java
deleted file mode 100644
index 5ba99496f8fa192c3f288ccc7d583a743f9ed335..0000000000000000000000000000000000000000
--- a/chrome/android/java/src/org/chromium/chrome/browser/childaccounts/ResetDataActivity.java
+++ /dev/null
@@ -1,117 +0,0 @@
-// Copyright 2015 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.
-
-package org.chromium.chrome.browser.childaccounts;
-
-import android.annotation.TargetApi;
-import android.app.Activity;
-import android.app.ActivityManager;
-import android.content.Context;
-import android.content.Intent;
-import android.os.Build;
-import android.os.Bundle;
-
-import org.chromium.chrome.browser.externalauth.ExternalAuthUtils;
-import org.chromium.chrome.browser.firstrun.FirstRunStatus;
-import org.chromium.chrome.browser.util.IntentUtils;
-
-/**
- * An activity that allows whitelisted applications to reset all data in Chrome,
- * as part of the child account setup.
- */
-public class ResetDataActivity extends Activity  {
-
-    /**
-     * The operation succeeded. Note that this value will only be returned for dry runs, because
-     * successfully resetting data will kill this process and return
-     * {@link Activity#RESULT_CANCELED}.
-     */
-    private static final int RESULT_OK = Activity.RESULT_OK;
-
-    /**
-     * The calling activity is not authorized. This activity is only available to Google-signed
-     * applications.
-     */
-    private static final int RESULT_ERROR_UNAUTHORIZED = Activity.RESULT_FIRST_USER;
-
-    /**
-     * Resetting data is not supported.
-     */
-    private static final int RESULT_ERROR_NOT_SUPPORTED = Activity.RESULT_FIRST_USER + 1;
-
-    /**
-     * There was an error resetting data.
-     */
-    private static final int RESULT_ERROR_COULD_NOT_RESET_DATA = Activity.RESULT_FIRST_USER + 2;
-
-    /**
-     * If this is set to true, perform a "dry run", i.e. only check whether there is data to be
-     * cleared. This defaults to true, to avoid accidentally resetting data.
-     */
-    private static final String EXTRA_DRY_RUN = "dry_run";
-
-    /**
-     * If a dry run is performed, this key contains a boolean flag that states whether there is data
-     * to be cleared.
-     */
-    private static final String EXTRA_HAS_DATA = "has_data";
-
-    @Override
-    public void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-
-        if (!authenticateSender()) {
-            returnResult(RESULT_ERROR_UNAUTHORIZED);
-            return;
-        }
-
-        // If resetting data is not supported, immediately return an error.
-        if (!supportsResetData()) {
-            returnResult(RESULT_ERROR_NOT_SUPPORTED);
-            return;
-        }
-
-        boolean dryRun = IntentUtils.safeGetBooleanExtra(getIntent(), EXTRA_DRY_RUN, true);
-
-        if (dryRun) {
-            returnHasData(FirstRunStatus.getFirstRunFlowComplete(this));
-            return;
-        }
-
-        boolean success = resetData();
-
-        // We should only land here if resetting data was not successful, as otherwise the process
-        // will be killed.
-        assert !success;
-        returnResult(RESULT_ERROR_COULD_NOT_RESET_DATA);
-    }
-
-    private boolean authenticateSender() {
-        return ExternalAuthUtils.getInstance().isGoogleSigned(getPackageManager(),
-                getCallingPackage());
-    }
-
-    private boolean supportsResetData() {
-        return Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT;
-    }
-
-    @TargetApi(Build.VERSION_CODES.KITKAT)
-    private boolean resetData() {
-        assert supportsResetData();
-        ActivityManager am = (ActivityManager) getSystemService(Context.ACTIVITY_SERVICE);
-        return am.clearApplicationUserData();
-    }
-
-    private void returnHasData(boolean hasData) {
-        Intent result = new Intent();
-        result.putExtra(EXTRA_HAS_DATA, hasData);
-        setResult(RESULT_OK, result);
-        finish();
-    }
-
-    private void returnResult(int resultCode) {
-        setResult(resultCode);
-        finish();
-    }
-}