Fix accessibility with out-of-process iframes.

content/browser/frame_host/render_frame_host_impl.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/frame_host/render_frame_host_impl.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/containers/hash_tables.h"
 #include "base/lazy_instance.h"
@@ skipping 1322 matching lines @@
     return;
   }
   accessibility_reset_token_ = 0;
 
   RenderWidgetHostViewBase* view = static_cast<RenderWidgetHostViewBase*>(
       render_view_host_->GetView());
 
   AccessibilityMode accessibility_mode = delegate_->GetAccessibilityMode();
   if ((accessibility_mode != AccessibilityModeOff) && view &&
       RenderFrameHostImpl::IsRFHStateActive(rfh_state())) {
-    if (accessibility_mode & AccessibilityModeFlagPlatform) {
-      GetOrCreateBrowserAccessibilityManager();
-      if (browser_accessibility_manager_)
-        browser_accessibility_manager_->OnAccessibilityEvents(params);
-    }
-
     if (browser_accessibility_manager_) {
       // Get the frame routing ids from out-of-process iframes and
       // browser plugin instance ids from guests and update the mappings in
       // FrameAccessibility.
       for (size_t i = 0; i < params.size(); ++i) {
         const AccessibilityHostMsg_EventParams& param = params[i];
         UpdateCrossProcessIframeAccessibility(
             param.node_to_frame_routing_id_map);
         UpdateGuestFrameAccessibility(
             param.node_to_browser_plugin_instance_id_map);
       }
     }
 
+    if (accessibility_mode & AccessibilityModeFlagPlatform) {
+      GetOrCreateBrowserAccessibilityManager();
+      if (browser_accessibility_manager_)
+        browser_accessibility_manager_->OnAccessibilityEvents(params);
+    }
+
     // Send the updates to the automation extension API.
     std::vector<AXEventNotificationDetails> details;
     details.reserve(params.size());
     for (size_t i = 0; i < params.size(); ++i) {
       const AccessibilityHostMsg_EventParams& param = params[i];
       AXEventNotificationDetails detail(param.update.node_id_to_clear,
                                         param.update.nodes,
                                         param.event_type,
                                         param.id,
                                         GetProcess()->GetID(),
@@ skipping 717 matching lines @@
   // We may be returning to an existing NavigationEntry that had been granted
   // file access.  If this is a different process, we will need to grant the
   // access again.  The files listed in the page state are validated when they
   // are received from the renderer to prevent abuse.
   if (request_params.page_state.IsValid()) {
     render_view_host_->GrantFileAccessFromPageState(request_params.page_state);
   }
 }
 
 }  // namespace content