Setting AccessibilityNodeInfo.paneTitle on Android Pie or higher when in a pane

This CL will enable setting paneTitle for AccessibilityNodeInfo on
Android versions Pie/P/10 or higher. We create a new WebContents-
Accessibility subclass specifically for Android P and higher.

Original Buganizer bug can be found:

https://b.corp.google.com/issues/111502315

Bug: 1048694
Change-Id: Icc6aa00210f1aabe513bedf87f9407bef27faac9
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2037840
Commit-Queue: Mark Schillaci <mschillaci@google.com>
Reviewed-by: Ted Choc <tedchoc@chromium.org>
Reviewed-by: Dominic Mazzoni <dmazzoni@chromium.org>
Cr-Commit-Position: refs/heads/master@{#738997}

content/browser/accessibility/web_contents_accessibility_android.cc

@@ -798,6 +798,12 @@ jboolean WebContentsAccessibilityAndroid::PopulateAccessibilityNodeInfo(
         node->RangeMax(), node->RangeCurrentValue());
   }
 
+  if (ui::IsDialog(node->GetRole())) {
+    Java_WebContentsAccessibilityImpl_setAccessibilityNodeInfoPaneTitle(
+        env, obj, info,
+        base::android::ConvertUTF16ToJavaString(env, node->GetInnerText()));
+  }
+
   return true;
 }
 

content/public/android/BUILD.gn

@@ -164,6 +164,7 @@ android_library("content_java") {
     "java/src/org/chromium/content/browser/accessibility/KitKatWebContentsAccessibility.java",
     "java/src/org/chromium/content/browser/accessibility/LollipopWebContentsAccessibility.java",
     "java/src/org/chromium/content/browser/accessibility/OWebContentsAccessibility.java",
+    "java/src/org/chromium/content/browser/accessibility/PieWebContentsAccessibility.java",
     "java/src/org/chromium/content/browser/accessibility/WebContentsAccessibilityImpl.java",
     "java/src/org/chromium/content/browser/accessibility/captioning/CaptioningBridgeFactory.java",
     "java/src/org/chromium/content/browser/accessibility/captioning/CaptioningChangeDelegate.java",

content/public/android/java/src/org/chromium/content/browser/accessibility/PieWebContentsAccessibility.java

+// Copyright 2020 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.accessibility;
+
+import android.annotation.TargetApi;
+import android.os.Build;
+import android.view.accessibility.AccessibilityNodeInfo;
+
+import org.chromium.base.annotations.JNINamespace;
+import org.chromium.content_public.browser.WebContents;
+
+/**
+ * Subclass of WebContentsAccessibility for P
+ */
+@JNINamespace("content")
+@TargetApi(Build.VERSION_CODES.P)
+public class PieWebContentsAccessibility extends OWebContentsAccessibility {
+    PieWebContentsAccessibility(WebContents webContents) {
+        super(webContents);
+    }
+
+    @Override
+    protected void setAccessibilityNodeInfoPaneTitle(AccessibilityNodeInfo node, String title) {
+        node.setPaneTitle(title);
+    }
+}

content/public/android/java/src/org/chromium/content/browser/accessibility/WebContentsAccessibilityImpl.java

@@ -132,7 +132,9 @@ public class WebContentsAccessibilityImpl extends AccessibilityNodeProvider
     private static class Factory implements UserDataFactory<WebContentsAccessibilityImpl> {
         @Override
         public WebContentsAccessibilityImpl create(WebContents webContents) {
-            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
+                return new PieWebContentsAccessibility(webContents);
+            } else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
                 return new OWebContentsAccessibility(webContents);
             } else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
                 return new LollipopWebContentsAccessibility(webContents);
@@ -1445,6 +1447,11 @@ public class WebContentsAccessibilityImpl extends AccessibilityNodeProvider
         // Requires O or higher.
     }
 
+    @CalledByNative
+    protected void setAccessibilityNodeInfoPaneTitle(AccessibilityNodeInfo node, String title) {
+        // Requires P or higher.
+    }
+
     @CalledByNative
     private void setAccessibilityEventBooleanAttributes(AccessibilityEvent event, boolean checked,
             boolean enabled, boolean password, boolean scrollable) {