Cross-process iframe accessibility.

content/renderer/accessibility/blink_ax_tree_source.h

Index: content/renderer/accessibility/blink_ax_tree_source.h
diff --git a/content/renderer/accessibility/blink_ax_tree_source.h b/content/renderer/accessibility/blink_ax_tree_source.h
index 007df071052f54192146ba5178236b13212c0ab0..f3afc33a0ec9df1f90f1938a2c4b67896bc6904d 100644
--- a/content/renderer/accessibility/blink_ax_tree_source.h
+++ b/content/renderer/accessibility/blink_ax_tree_source.h
@@ -19,6 +19,12 @@ class BlinkAXTreeSource
   BlinkAXTreeSource(RenderFrameImpl* render_frame);
   virtual ~BlinkAXTreeSource();
 
+  // Call this to have BlinkAXTreeSource collect a mapping from
+  // node ids to the frame routing id for an out-of-process iframe during
+  // calls to SerializeNode.
+  void CollectChildFrameIdMapping(
+      std::map<int32, int>* frame_routing_ids);
+
   // Walks up the ancestor chain to see if this is a descendant of the root.
   bool IsInTree(blink::WebAXObject node) const;
 
@@ -42,6 +48,8 @@ class BlinkAXTreeSource
 
  private:
   RenderFrameImpl* render_frame_;
+  std::map<int32, int>* frame_routing_ids_;

[Charlie Reis, 2014/08/21 19:23:27]

frame_routing_ids_ sounds like a list, without indicating that it's a map. 
Maybe something like node_to_frame_map_?

[dmazzoni, 2014/08/25 06:49:36]

Done.

+
 };
 
 }  // namespace content