Revert of [Andorid] ClipDrawable progress bar experiment.

chrome/android/javatests/src/org/chromium/chrome/browser/widget/ClipDrawableProgressBarTest.java

-// 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.widget;
-
-import android.test.suitebuilder.annotation.MediumTest;
-
-import org.chromium.base.ThreadUtils;
-import org.chromium.base.test.util.Feature;
-import org.chromium.chrome.shell.ChromeShellTestBase;
-import org.chromium.chrome.shell.R;
-import org.chromium.content.browser.test.util.Criteria;
-import org.chromium.content.browser.test.util.CriteriaHelper;
-
-import java.util.concurrent.atomic.AtomicReference;
-
-/**
- * Tests related to the ToolbarProgressBar.
- */
-public class ClipDrawableProgressBarTest extends ChromeShellTestBase {
-    /**
-     * Test that calling progressBar.setProgress(# > 0) followed by progressBar.setProgress(0)
-     * results in a hidden progress bar (the secondary progress needs to be 0).
-     * @throws InterruptedException
-     */
-    @Feature({"Android-Toolbar"})
-    @MediumTest
-    public void testProgressBarDisappearsAfterFastShowHide() throws InterruptedException {
-        launchChromeShellWithUrl("about:blank");
-        waitForActiveShellToBeDoneLoading();
-
-        final AtomicReference<ClipDrawableProgressBar> progressBar =
-                new AtomicReference<ClipDrawableProgressBar>();
-        ThreadUtils.runOnUiThread(new Runnable() {
-            @Override
-            public void run() {
-                progressBar.set(
-                        (ClipDrawableProgressBar) getActivity().findViewById(R.id.progress));
-            }
-        });
-
-        // Make sure that there is some progress.
-        CriteriaHelper.pollForUIThreadCriteria(new Criteria() {
-            @Override
-            public boolean isSatisfied() {
-                return progressBar.get().getProgress() > 0;
-            }
-        });
-
-        // Wait for the progress bar to be reset.
-        CriteriaHelper.pollForUIThreadCriteria(new Criteria() {
-            @Override
-            public boolean isSatisfied() {
-                return progressBar.get().getProgress() == 0;
-            }
-        });
-    }
-}