Cross-process iframe accessibility.

content/browser/frame_host/render_widget_host_view_child_frame.cc

Index: content/browser/frame_host/render_widget_host_view_child_frame.cc
diff --git a/content/browser/frame_host/render_widget_host_view_child_frame.cc b/content/browser/frame_host/render_widget_host_view_child_frame.cc
index 580c6c55965941c446e4ce3a9f032ec07b3d1123..b9563c928e7ef5ed42a1ecc789cb46a2e8b10991 100644
--- a/content/browser/frame_host/render_widget_host_view_child_frame.cc
+++ b/content/browser/frame_host/render_widget_host_view_child_frame.cc
@@ -4,6 +4,7 @@
 
 #include "content/browser/frame_host/render_widget_host_view_child_frame.h"
 
+#include "content/browser/accessibility/browser_accessibility_manager.h"
 #include "content/browser/frame_host/cross_process_frame_connector.h"
 #include "content/browser/renderer_host/render_widget_host_impl.h"
 #include "content/common/gpu/gpu_messages.h"
@@ -336,9 +337,8 @@ SkColorType RenderWidgetHostViewChildFrame::PreferredReadbackFormat() {
 BrowserAccessibilityManager*
 RenderWidgetHostViewChildFrame::CreateBrowserAccessibilityManager(
     BrowserAccessibilityDelegate* delegate) {
-  // This eventually needs to be implemented for cross-process iframes.
-  // http://crbug.com/368298
-  return NULL;
+  return BrowserAccessibilityManager::Create(
+      BrowserAccessibilityManager::GetEmptyDocument(), delegate);
 }
 
 }  // namespace content