[Hera] Excise a bunch of document mode code

chrome/test/android/javatests/src/org/chromium/chrome/test/util/browser/tabmodel/document/TestInitializationObserver.java

Index: chrome/test/android/javatests/src/org/chromium/chrome/test/util/browser/tabmodel/document/TestInitializationObserver.java
diff --git a/chrome/test/android/javatests/src/org/chromium/chrome/test/util/browser/tabmodel/document/TestInitializationObserver.java b/chrome/test/android/javatests/src/org/chromium/chrome/test/util/browser/tabmodel/document/TestInitializationObserver.java
deleted file mode 100644
index 300e7a3146e3b19f8eb28a4828ba5afcdf48acc2..0000000000000000000000000000000000000000
--- a/chrome/test/android/javatests/src/org/chromium/chrome/test/util/browser/tabmodel/document/TestInitializationObserver.java
+++ /dev/null
@@ -1,60 +0,0 @@
-// Copyright 2014 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.test.util.browser.tabmodel.document;
-
-import org.chromium.base.ThreadUtils;
-import org.chromium.chrome.browser.tabmodel.document.DocumentTabModel;
-import org.chromium.content.browser.test.util.Criteria;
-import org.chromium.content.browser.test.util.CriteriaHelper;
-
-/**
- * Monitors the DocumentTabModel until it has progressed far enough along initialization.
- */
-public class TestInitializationObserver extends DocumentTabModel.InitializationObserver {
-    public boolean mIsReady;
-    private final int mState;
-
-    public TestInitializationObserver(DocumentTabModel model, int state) {
-        super(model);
-        mState = state;
-    }
-
-    @Override
-    protected void runImmediately() {
-        mIsReady = true;
-    }
-
-    @Override
-    public boolean isSatisfied(int currentState) {
-        return currentState >= mState;
-    }
-
-    @Override
-    public boolean isCanceled() {
-        return false;
-    }
-
-    /**
-     * Wait until the DocumentTabModel has reached the given state.
-     * @param model DocumentTabModel to monitor.
-     * @param state State to wait for.
-     */
-    public static void waitUntilState(final DocumentTabModel model, int state) throws Exception {
-        final TestInitializationObserver observer = new TestInitializationObserver(model, state);
-        ThreadUtils.runOnUiThread(new Runnable() {
-            @Override
-            public void run() {
-                observer.runWhenReady();
-            }
-        });
-
-        CriteriaHelper.pollInstrumentationThread(new Criteria() {
-            @Override
-            public boolean isSatisfied() {
-                return observer.mIsReady;
-            }
-        });
-    }
-}