Migrate BrowserAccessibility windows unique id handling to AXPlatformNodeWin.

content/browser/accessibility/browser_accessibility_manager_android.cc

 // Copyright 2013 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.
 
 #include "content/browser/accessibility/browser_accessibility_manager_android.h"
 
 #include "base/i18n/char_iterator.h"
 #include "content/browser/accessibility/browser_accessibility_android.h"
 #include "content/browser/accessibility/web_contents_accessibility_android.h"
 #include "content/common/accessibility_messages.h"
@@ skipping 95 matching lines @@
   // fire an event for those changes, but we do want to make sure our internal
   // state is correct, so we call OnDataChanged() and then return.
   if (android_node->IsPassword() && original_node != node) {
     android_node->OnDataChanged();
     return;
   }
 
   // Always send AccessibilityEvent.TYPE_WINDOW_CONTENT_CHANGED to notify
   // the Android system that the accessibility hierarchy rooted at this
   // node has changed.
-  wcax->HandleContentChanged(node->unique_id());
+  wcax->HandleContentChanged(android_node->unique_id());
 
   // Ignore load complete events on iframes.
   if (event_type == ui::AX_EVENT_LOAD_COMPLETE &&
       node->manager() != GetRootManager()) {
     return;
   }
 
   switch (event_type) {
-    case ui::AX_EVENT_LOAD_COMPLETE:
-      wcax->HandlePageLoaded(GetFocus()->unique_id());
-      break;
+    case ui::AX_EVENT_LOAD_COMPLETE: {
+      auto* android_focused =
+          static_cast<BrowserAccessibilityAndroid*>(GetFocus());
+      wcax->HandlePageLoaded(android_focused->unique_id());
+    } break;
     case ui::AX_EVENT_FOCUS:
-      wcax->HandleFocusChanged(node->unique_id());
+      wcax->HandleFocusChanged(android_node->unique_id());
       break;
     case ui::AX_EVENT_CHECKED_STATE_CHANGED:
-      wcax->HandleCheckStateChanged(node->unique_id());
+      wcax->HandleCheckStateChanged(android_node->unique_id());
       break;
     case ui::AX_EVENT_CLICKED:
-      wcax->HandleClicked(node->unique_id());
+      wcax->HandleClicked(android_node->unique_id());
       break;
     case ui::AX_EVENT_SCROLL_POSITION_CHANGED:
-      wcax->HandleScrollPositionChanged(node->unique_id());
+      wcax->HandleScrollPositionChanged(android_node->unique_id());
       break;
     case ui::AX_EVENT_SCROLLED_TO_ANCHOR:
-      wcax->HandleScrolledToAnchor(node->unique_id());
+      wcax->HandleScrolledToAnchor(android_node->unique_id());
       break;
     case ui::AX_EVENT_ALERT:
       // An alert is a special case of live region. Fall through to the
       // next case to handle it.
     case ui::AX_EVENT_SHOW: {
       // This event is fired when an object appears in a live region.
       // Speak its text.
       base::string16 text = android_node->GetText();
       wcax->AnnounceLiveRegionText(text);
       break;
     }
     case ui::AX_EVENT_TEXT_SELECTION_CHANGED:
-      wcax->HandleTextSelectionChanged(node->unique_id());
+      wcax->HandleTextSelectionChanged(android_node->unique_id());
       break;
     case ui::AX_EVENT_TEXT_CHANGED:
     case ui::AX_EVENT_VALUE_CHANGED:
       if (android_node->IsEditableText() && GetFocus() == node) {
-        wcax->HandleEditableTextChanged(node->unique_id());
+        wcax->HandleEditableTextChanged(android_node->unique_id());
       } else if (android_node->IsSlider()) {
-        wcax->HandleSliderChanged(node->unique_id());
+        wcax->HandleSliderChanged(android_node->unique_id());
       }
       break;
     default:
       // There are some notifications that aren't meaningful on Android.
       // It's okay to skip them.
       break;
   }
 }
 
 void BrowserAccessibilityManagerAndroid::SendLocationChangeEvents(
@@ skipping 164 matching lines @@
   BrowserAccessibility* parent_node = GetParentNodeFromParentTree();
   if (!parent_node)
     return web_contents_accessibility_;
 
   auto* parent_manager =
       static_cast<BrowserAccessibilityManagerAndroid*>(parent_node->manager());
   return parent_manager->GetWebContentsAXFromRootManager();
 }
 
 }  // namespace content