Revert "Changed NavigationController access to through tab in Java code"

chrome/android/java/src/org/chromium/chrome/browser/navigation/TabWebContentsNavigationHandler.java

Index: chrome/android/java/src/org/chromium/chrome/browser/navigation/TabWebContentsNavigationHandler.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/navigation/TabWebContentsNavigationHandler.java b/chrome/android/java/src/org/chromium/chrome/browser/navigation/TabWebContentsNavigationHandler.java
deleted file mode 100644
index d0b428b114e5e1c1c3e4b0f8a4540f5afbb327d6..0000000000000000000000000000000000000000
--- a/chrome/android/java/src/org/chromium/chrome/browser/navigation/TabWebContentsNavigationHandler.java
+++ /dev/null
@@ -1,148 +0,0 @@
-// Copyright 2016 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.navigation;
-
-import org.chromium.content_public.browser.LoadUrlParams;
-import org.chromium.content_public.browser.NavigationController;
-import org.chromium.content_public.browser.NavigationEntry;
-import org.chromium.content_public.browser.NavigationHistory;
-import org.chromium.content_public.browser.WebContents;
-
-/**
- * Provides navigation functionalities for Chrome. It wraps the content layer NavigationController
- * and delegates all calls to it.
- */
-public class TabWebContentsNavigationHandler implements NavigationHandler {
-    private NavigationController mNavigationController;
-
-    public TabWebContentsNavigationHandler(WebContents webContents) {
-        mNavigationController = webContents.getNavigationController();
-    }
-
-    @Override
-    public boolean canGoBack() {
-        return mNavigationController.canGoBack();
-    }
-
-    @Override
-    public boolean canGoForward() {
-        return mNavigationController.canGoForward();
-    }
-
-    @Override
-    public boolean canGoToOffset(int offset) {
-        return mNavigationController.canGoToOffset(offset);
-    }
-
-    @Override
-    public void goToOffset(int offset) {
-        mNavigationController.goToOffset(offset);
-    }
-
-    @Override
-    public void goToNavigationIndex(int index) {
-        mNavigationController.goToNavigationIndex(index);
-    }
-
-    @Override
-    public void goBack() {
-        mNavigationController.goBack();
-    }
-
-    @Override
-    public void goForward() {
-        mNavigationController.goForward();
-    }
-
-    @Override
-    public boolean isInitialNavigation() {
-        return mNavigationController.isInitialNavigation();
-    }
-
-    @Override
-    public void loadIfNecessary() {
-        mNavigationController.loadIfNecessary();
-    }
-
-    @Override
-    public void requestRestoreLoad() {
-        mNavigationController.requestRestoreLoad();
-    }
-
-    @Override
-    public void reload(boolean checkForRepost) {
-        mNavigationController.reload(checkForRepost);
-    }
-
-    @Override
-    public void reloadToRefreshContent(boolean checkForRepost) {
-        mNavigationController.reloadToRefreshContent(checkForRepost);
-    }
-
-    @Override
-    public void reloadBypassingCache(boolean checkForRepost) {
-        mNavigationController.reloadBypassingCache(checkForRepost);
-    }
-
-    @Override
-    public void reloadDisableLoFi(boolean checkForRepost) {
-        mNavigationController.reloadDisableLoFi(checkForRepost);
-    }
-
-    @Override
-    public void cancelPendingReload() {
-        mNavigationController.cancelPendingReload();
-    }
-
-    @Override
-    public void continuePendingReload() {
-        mNavigationController.continuePendingReload();
-    }
-
-    @Override
-    public void loadUrl(LoadUrlParams params) {
-        mNavigationController.loadUrl(params);
-    }
-
-    @Override
-    public NavigationHistory getDirectedNavigationHistory(boolean isForward, int itemLimit) {
-        return mNavigationController.getDirectedNavigationHistory(isForward, itemLimit);
-    }
-
-    @Override
-    public String getOriginalUrlForVisibleNavigationEntry() {
-        return mNavigationController.getOriginalUrlForVisibleNavigationEntry();
-    }
-
-    @Override
-    public void clearSslPreferences() {
-        mNavigationController.clearSslPreferences();
-    }
-
-    @Override
-    public boolean getUseDesktopUserAgent() {
-        return mNavigationController.getUseDesktopUserAgent();
-    }
-
-    @Override
-    public void setUseDesktopUserAgent(boolean override, boolean reloadOnChange) {
-        mNavigationController.setUseDesktopUserAgent(override, reloadOnChange);
-    }
-
-    @Override
-    public NavigationEntry getEntryAtIndex(int index) {
-        return mNavigationController.getEntryAtIndex(index);
-    }
-
-    @Override
-    public int getLastCommittedEntryIndex() {
-        return mNavigationController.getLastCommittedEntryIndex();
-    }
-
-    @Override
-    public boolean removeEntryAtIndex(int index) {
-        return mNavigationController.removeEntryAtIndex(index);
-    }
-}