Only set accessibility focus on page load for browser tabs, not web views.

content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java

 // Copyright 2012 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.content.browser;
 
 import android.annotation.SuppressLint;
 import android.app.Activity;
 import android.app.SearchManager;
 import android.content.ClipboardManager;
@@ skipping 279 matching lines @@
 
     // Handles native accessibility, i.e. without any script injection.
     private BrowserAccessibilityManager mBrowserAccessibilityManager;
 
     // System accessibility service.
     private final AccessibilityManager mAccessibilityManager;
 
     // Accessibility touch exploration state.
     private boolean mTouchExplorationEnabled;
 
+    // Whether accessibility focus should be set to the page when it finishes loading.
+    // This only applies if an accessibility service like TalkBack is running.
+    // This is desirable behavior for a browser window, but not for an embedded
+    // WebView.
+    private boolean mShouldSetAccessibilityFocusOnPageLoad;
+
     // Allows us to dynamically respond when the accessibility script injection flag changes.
     private ContentObserver mAccessibilityScriptInjectionObserver;
 
     // Temporary notification to tell onSizeChanged to focus a form element,
     // because the OSK was just brought up.
     private final Rect mFocusPreOSKViewportRect = new Rect();
 
     // On tap this will store the x, y coordinates of the touch.
     private int mLastTapX;
     private int mLastTapY;
@@ skipping 2576 matching lines @@
     }
 
     /**
      * Stop any TTS notifications that are currently going on.
      */
     public void stopCurrentAccessibilityNotifications() {
         mAccessibilityInjector.onPageLostFocus();
     }
 
     /**
+     * Return whether or not we should set accessibility focus on page load.
+     */
+    public boolean shouldSetAccessibilityFocusOnPageLoad() {
+        return mShouldSetAccessibilityFocusOnPageLoad;
+    }
+
+    /**
+     * Return whether or not we should set accessibility focus on page load.

[hush (inactive), 2014/08/27 18:35:37]

sorry for the commenting on this after it is committed.
I was trying to cherry pick this CL on behalf of dmazzoni@
This documentation here seems wrong. It should be "Sets whether or not we should
set accessibility focus on page load."

I will create a clean up CL.

+     * This only applies if an accessibility service like TalkBack is running.
+     * This is desirable behavior for a browser window, but not for an embedded
+     * WebView.
+     */
+    public void setShouldSetAccessibilityFocusOnPageLoad(boolean on) {
+        mShouldSetAccessibilityFocusOnPageLoad = on;
+    }
+
+    /**
      * Inform WebKit that Fullscreen mode has been exited by the user.
      */
     public void exitFullscreen() {
         assert mWebContents != null;
         mWebContents.exitFullscreen();
     }
 
     /**
      * Changes whether hiding the top controls is enabled.
      *
@@ skipping 301 matching lines @@
     private native void nativeWasResized(long nativeContentViewCoreImpl);
 
     private native void nativeSetAccessibilityEnabled(
             long nativeContentViewCoreImpl, boolean enabled);
 
     private native void nativeExtractSmartClipData(long nativeContentViewCoreImpl,
             int x, int y, int w, int h);
 
     private native void nativeSetBackgroundOpaque(long nativeContentViewCoreImpl, boolean opaque);
 }