Delete ShareHelperTest.java

https://chromium-review.googlesource.com/c/chromium/src/+/2063037 moved
code to ShareImageFileUtilsTest.java, and removed file from build file,
but forgot to delete this file.

Change-Id: I00715dad85a69a73df5555097970ad0bc489c893
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2076524Reviewed-by: David Trainor <dtrainor@chromium.org>
Commit-Queue: Gang Wu <gangwu@chromium.org>
Cr-Commit-Position: refs/heads/master@{#746852}

chrome/android/javatests/src/org/chromium/chrome/browser/share/ShareHelperTest.java

-// Copyright 2020 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.share;
-
-import android.net.Uri;
-import android.support.test.filters.SmallTest;
-
-import org.junit.After;
-import org.junit.Assert;
-import org.junit.Before;
-import org.junit.Rule;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-
-import org.chromium.base.Callback;
-import org.chromium.base.ContentUriUtils;
-import org.chromium.base.task.AsyncTask;
-import org.chromium.base.test.util.CallbackHelper;
-import org.chromium.base.test.util.CommandLineFlags;
-import org.chromium.chrome.browser.ChromeActivity;
-import org.chromium.chrome.browser.ChromeSwitches;
-import org.chromium.chrome.browser.FileProviderHelper;
-import org.chromium.chrome.test.ChromeActivityTestRule;
-import org.chromium.chrome.test.ChromeJUnit4ClassRunner;
-import org.chromium.ui.base.Clipboard;
-
-import java.io.File;
-import java.io.IOException;
-import java.util.concurrent.TimeUnit;
-import java.util.concurrent.TimeoutException;
-
-/**
- * Tests of {@link ShareHelper}.
- */
-@RunWith(ChromeJUnit4ClassRunner.class)
-@CommandLineFlags.Add({ChromeSwitches.DISABLE_FIRST_RUN_EXPERIENCE})
-public class ShareHelperTest {
-    @Rule
-    public ChromeActivityTestRule<ChromeActivity> mActivityTestRule =
-            new ChromeActivityTestRule<>(ChromeActivity.class);
-
-    private static final long WAIT_TIMEOUT_SECONDS = 5L;
-    private static final byte[] TEST_IMAGE_DATA = new byte[] {1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
-
-    private class GenerateUriCallback extends CallbackHelper implements Callback<Uri> {
-        private Uri mImageUri;
-
-        public Uri getImageUri() {
-            return mImageUri;
-        }
-
-        @Override
-        public void onResult(Uri uri) {
-            mImageUri = uri;
-            notifyCalled();
-        }
-    }
-
-    private class AsyncTaskRunnableHelper extends CallbackHelper implements Runnable {
-        @Override
-        public void run() {
-            notifyCalled();
-        }
-    }
-
-    @Before
-    public void setUp() {
-        mActivityTestRule.startMainActivityFromLauncher();
-        ContentUriUtils.setFileProviderUtil(new FileProviderHelper());
-    }
-
-    @After
-    public void tearDown() throws TimeoutException {
-        Clipboard.getInstance().setText("");
-        clearSharedImages();
-    }
-
-    private int fileCount(File file) {
-        if (file.isFile()) {
-            return 1;
-        }
-
-        int count = 0;
-        if (file.isDirectory()) {
-            for (File f : file.listFiles()) count += fileCount(f);
-        }
-        return count;
-    }
-
-    private boolean filepathExists(File file, String filepath) {
-        if (file.isFile() && filepath.endsWith(file.getName())) {
-            return true;
-        }
-
-        if (file.isDirectory()) {
-            for (File f : file.listFiles()) {
-                if (filepathExists(f, filepath)) return true;
-            }
-        }
-        return false;
-    }
-
-    private Uri generateAnImageToClipboard() throws TimeoutException {
-        GenerateUriCallback imageCallback = new GenerateUriCallback();
-        ShareHelper.generateUriFromData(
-                mActivityTestRule.getActivity(), TEST_IMAGE_DATA, imageCallback);
-        imageCallback.waitForCallback(0, 1, WAIT_TIMEOUT_SECONDS, TimeUnit.SECONDS);
-        Clipboard.getInstance().setImageUri(imageCallback.getImageUri());
-        return imageCallback.getImageUri();
-    }
-
-    private void clearSharedImages() throws TimeoutException {
-        ShareHelper.clearSharedImages();
-
-        // ShareHelper::clearSharedImages uses AsyncTask.SERIAL_EXECUTOR to schedule a clearing the
-        // shared folder job, so schedule a new job and wait for the new job finished to make sure
-        // ShareHelper::clearSharedImages's clearing folder job finished.
-        AsyncTaskRunnableHelper runnableHelper = new AsyncTaskRunnableHelper();
-        AsyncTask.SERIAL_EXECUTOR.execute(runnableHelper);
-        runnableHelper.waitForCallback(0, 1, WAIT_TIMEOUT_SECONDS, TimeUnit.SECONDS);
-    }
-
-    private int fileCountInShareDirectory() throws IOException {
-        return fileCount(ShareHelper.getSharedFilesDirectory());
-    }
-
-    private boolean fileExistsInShareDirectory(Uri fileUri) throws IOException {
-        return filepathExists(ShareHelper.getSharedFilesDirectory(), fileUri.getPath());
-    }
-
-    @Test
-    @SmallTest
-    public void clipboardUriDoNotClearTest() throws TimeoutException, IOException {
-        generateAnImageToClipboard();
-        generateAnImageToClipboard();
-        Uri clipboardUri = generateAnImageToClipboard();
-        Assert.assertEquals(3, fileCountInShareDirectory());
-
-        clearSharedImages();
-        Assert.assertEquals(1, fileCountInShareDirectory());
-        Assert.assertTrue(fileExistsInShareDirectory(clipboardUri));
-    }
-
-    @Test
-    @SmallTest
-    public void clearEverythingIfNoClipboardImageTest() throws TimeoutException, IOException {
-        generateAnImageToClipboard();
-        generateAnImageToClipboard();
-        generateAnImageToClipboard();
-        Assert.assertEquals(3, fileCountInShareDirectory());
-
-        Clipboard.getInstance().setText("");
-        clearSharedImages();
-        Assert.assertEquals(0, fileCountInShareDirectory());
-    }
-}