Remove AccessibilityInjector support.

chrome/android/java/src/org/chromium/chrome/browser/Tab.java

 // 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.browser;
 
 import android.app.Activity;
 import android.content.Context;
 import android.graphics.Bitmap;
 import android.graphics.Color;
@@ skipping 458 matching lines @@
                 boolean isRendererInitiated) {
             Tab.this.openNewTab(
                     url, extraHeaders, postData, disposition, true, isRendererInitiated);
         }
     }
 
     /**
      * ContentViewClient that provides basic tab functionality and is meant to be extended
      * by child classes.
      */
-    protected class TabContentViewClient extends ChromeContentViewClient {
+    protected class TabContentViewClient extends ContentViewClient {
         @Override
         public void onUpdateTitle(String title) {
             updateTitle(title);
         }
 
         @Override
         public void onContextualActionBarShown() {
             for (TabObserver observer : mObservers) {
                 observer.onContextualActionBarVisibilityChanged(Tab.this, true);
             }
@@ skipping 991 matching lines @@
      * @param validatedUrl URL being loaded.
      * @param showingErrorPage Whether an error page is being shown.
      */
     protected void didStartPageLoad(String validatedUrl, boolean showingErrorPage) {
         mIsShowingErrorPage = showingErrorPage;
         mIsLoading = true;
 
         updateTitle();
         removeSadTabIfPresent();
 
-        if (getContentViewCore() != null) {
-            getContentViewCore().stopCurrentAccessibilityNotifications();
-        }
-
         clearHungRendererState();
 
         for (TabObserver observer : mObservers) observer.onPageLoadStarted(this);
     }
 
     /**
      * Called when a page has finished loading.
      */
     protected void didFinishPageLoad() {
         mIsLoading = false;
@@ skipping 35 matching lines @@
     }
 
     /**
      * Creates and initializes the {@link ContentViewCore}.
      *
      * @param webContents The WebContents object that will be used to build the
      *                    {@link ContentViewCore}.
      */
     protected void initContentViewCore(WebContents webContents) {
         ContentViewCore cvc = new ContentViewCore(mContext);
-        ContentView cv = ContentView.newInstance(mContext, cvc);
+        ContentView cv = new ContentView(mContext, cvc);
         cv.setContentDescription(mContext.getResources().getString(
                 R.string.accessibility_content_view));
         cvc.initialize(cv, cv, webContents, getWindowAndroid());
         setContentViewCore(cvc);
     }
 
     /**
      * Completes the {@link ContentViewCore} specific initialization around a native WebContents
      * pointer. {@link #getNativePage()} will still return the {@link NativePage} if there is one.
      * All initialization that needs to reoccur after a web contents swap should be added here.
@@ skipping 597 matching lines @@
     @CalledByNative
     private long getNativePtr() {
         return mNativeTabAndroid;
     }
 
     /** This is currently called when committing a pre-rendered page. */
     @CalledByNative
     private void swapWebContents(
             WebContents webContents, boolean didStartLoad, boolean didFinishLoad) {
         ContentViewCore cvc = new ContentViewCore(mContext);
-        ContentView cv = ContentView.newInstance(mContext, cvc);
+        ContentView cv = new ContentView(mContext, cvc);
         cv.setContentDescription(mContext.getResources().getString(
                 R.string.accessibility_content_view));
         cvc.initialize(cv, cv, webContents, getWindowAndroid());
         swapContentViewCore(cvc, false, didStartLoad, didFinishLoad);
     }
 
     /**
      * Called to swap out the current view with the one passed in.
      *
      * @param newContentViewCore The content view that should be swapped into the tab.
@@ skipping 591 matching lines @@
     private native void nativeAttachToTabContentManager(long nativeTabAndroid,
             TabContentManager tabContentManager);
     private native void nativeAttachOverlayContentViewCore(long nativeTabAndroid,
             ContentViewCore content, boolean visible);
     private native void nativeDetachOverlayContentViewCore(long nativeTabAndroid,
             ContentViewCore content);
     private native boolean nativeHasPrerenderedUrl(long nativeTabAndroid, String url);
 
     private static native void nativeRecordStartupToCommitUma();
 }