Fix accessibility with out-of-process iframes.

content/public/test/browser_test_utils.cc

 // Copyright (c) 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.
 
 #include "content/public/test/browser_test_utils.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/json/json_reader.h"
 #include "base/process/kill.h"
@@ skipping 941 matching lines @@
 }
 
 bool WebContentsAddedObserver::RenderViewCreatedCalled() {
   if (child_observer_) {
     return child_observer_->render_view_created_called_ &&
            child_observer_->main_frame_created_called_;
   }
   return false;
 }
 
+RenderViewHostDeletedObserver::RenderViewHostDeletedObserver(
+    RenderViewHost* rvh)
+    : WebContentsObserver(WebContents::FromRenderViewHost(rvh)),
+      process_id_(rvh->GetProcess()->GetID()),
+      routing_id_(rvh->GetRoutingID()),
+      deleted_(false) {
+}
+
+RenderViewHostDeletedObserver::~RenderViewHostDeletedObserver() {
+}
+
+void RenderViewHostDeletedObserver::RenderViewDeleted(
+    RenderViewHost* render_view_host) {
+  if (render_view_host->GetProcess()->GetID() == process_id_ &&
+      render_view_host->GetRoutingID() == routing_id_) {
+    deleted_ = true;
+
+    if (runner_.get()) {
+      runner_->Quit();
+      runner_.reset(nullptr);
+    }
+  }
+}
+
+bool RenderViewHostDeletedObserver::deleted() {
+  return deleted_;
+}
+
+void RenderViewHostDeletedObserver::WaitUntilDeleted() {
+  if (deleted_)
+    return;
+
+  runner_.reset(new base::RunLoop());
+  runner_->Run();
+}
+
+RenderFrameHostDeletedObserver::RenderFrameHostDeletedObserver(
+    RenderFrameHost* rfh)
+    : WebContentsObserver(WebContents::FromRenderFrameHost(rfh)),
+      process_id_(rfh->GetProcess()->GetID()),
+      routing_id_(rfh->GetRoutingID()),
+      deleted_(false) {
+}
+
+RenderFrameHostDeletedObserver::~RenderFrameHostDeletedObserver() {
+}
+
+void RenderFrameHostDeletedObserver::RenderFrameDeleted(
+    RenderFrameHost* render_frame_host) {
+  if (render_frame_host->GetProcess()->GetID() == process_id_ &&
+      render_frame_host->GetRoutingID() == routing_id_) {
+    deleted_ = true;
+
+    if (runner_.get())
+      runner_->Quit();
+  }
+}
+
+bool RenderFrameHostDeletedObserver::deleted() {
+  return deleted_;
+}
+
+void RenderFrameHostDeletedObserver::WaitUntilDeleted() {
+  if (deleted_)
+    return;
+
+  runner_.reset(new base::RunLoop());
+  runner_->Run();
+  runner_.reset(nullptr);
+}
+
 }  // namespace content