Cross-process iframe accessibility.

content/test/accessibility_browser_test_utils.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/test/accessibility_browser_test_utils.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "content/browser/renderer_host/render_view_host_impl.h"
 #include "content/common/view_message_enums.h"
 #include "content/port/browser/render_widget_host_view_port.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/common/url_constants.h"
 #include "content/public/test/test_utils.h"
 #include "content/shell/browser/shell.h"
 #include "ui/accessibility/ax_node.h"
 
 namespace content {
 
-AccessibilityNotificationWaiter::AccessibilityNotificationWaiter(Shell* shell)
-    : shell_(shell),
-      event_to_wait_for_(ui::AX_EVENT_NONE),
-      loop_runner_(new MessageLoopRunner()),
-      weak_factory_(this) {
-  WebContents* web_contents = shell_->web_contents();
-  view_host_ = static_cast<RenderViewHostImpl*>(
-      web_contents->GetRenderViewHost());
-  view_host_->SetAccessibilityCallbackForTesting(
-      base::Bind(&AccessibilityNotificationWaiter::OnAccessibilityEvent,
-                 weak_factory_.GetWeakPtr()));
-}
-
 AccessibilityNotificationWaiter::AccessibilityNotificationWaiter(
     Shell* shell,
     AccessibilityMode accessibility_mode,
-    ui::AXEvent event_type)
+    ui::AXEvent event_type,
+    RenderViewHostImpl* render_view_host_impl)
     : shell_(shell),
       event_to_wait_for_(event_type),
       loop_runner_(new MessageLoopRunner()),
       weak_factory_(this) {
-  WebContents* web_contents = shell_->web_contents();
-  view_host_ = static_cast<RenderViewHostImpl*>(
-      web_contents->GetRenderViewHost());
+  if (render_view_host_impl) {
+    view_host_ = render_view_host_impl;
+  } else {
+    WebContents* web_contents = shell_->web_contents();
+    view_host_ = static_cast<RenderViewHostImpl*>(
+        web_contents->GetRenderViewHost());
+  }
   view_host_->SetAccessibilityCallbackForTesting(
       base::Bind(&AccessibilityNotificationWaiter::OnAccessibilityEvent,
                  weak_factory_.GetWeakPtr()));
   view_host_->AddAccessibilityMode(accessibility_mode);
 }
 
 AccessibilityNotificationWaiter::~AccessibilityNotificationWaiter() {
 }
 
 void AccessibilityNotificationWaiter::WaitForNotification() {
@@ skipping 20 matching lines @@
   for (size_t i = 0; i < root.string_attributes.size(); ++i) {
     if (root.string_attributes[i].first != ui::AX_ATTR_DOC_URL)
       continue;
     const std::string& doc_url = root.string_attributes[i].second;
     return doc_url == kAboutBlankURL;
   }
   return false;
 }
 
 }  // namespace content