Complete live region support in ChromeVox Next.

chrome/renderer/extensions/automation_internal_custom_bindings.h

 // Copyright 2014 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.
 
 #ifndef CHROME_RENDERER_EXTENSIONS_AUTOMATION_INTERNAL_CUSTOM_BINDINGS_H_
 #define CHROME_RENDERER_EXTENSIONS_AUTOMATION_INTERNAL_CUSTOM_BINDINGS_H_
 
 #include "base/compiler_specific.h"
 #include "chrome/common/extensions/api/automation.h"
 #include "extensions/renderer/object_backed_native_handler.h"
@@ skipping 56 matching lines @@
   // events forwarded to this process.
   void StartCachingAccessibilityTrees(
       const v8::FunctionCallbackInfo<v8::Value>& args);
 
   // Called when an accessibility tree is destroyed and needs to be
   // removed from our cache.
   // Args: int ax_tree_id
   void DestroyAccessibilityTree(
       const v8::FunctionCallbackInfo<v8::Value>& args);
 
+  // Set what types of tree change events should be sent to the client.
+  void SetTreeChangeObserverMask(
+      const v8::FunctionCallbackInfo<v8::Value>& args);
+
   void RouteTreeIDFunction(const std::string& name,
                            void (*callback)(v8::Isolate* isolate,
                                             v8::ReturnValue<v8::Value> result,
                                             TreeCache* cache));
 
   void RouteNodeIDFunction(const std::string& name,
                            void (*callback)(v8::Isolate* isolate,
                                             v8::ReturnValue<v8::Value> result,
                                             TreeCache* cache,
                                             ui::AXNode* node));
@@ skipping 83 matching lines @@
                               const std::vector<Change>& changes) override;
 
   void SendTreeChangeEvent(api::automation::TreeChangeType change_type,
                            ui::AXTree* tree,
                            ui::AXNode* node);
 
   base::hash_map<int, TreeCache*> tree_id_to_tree_cache_map_;
   base::hash_map<ui::AXTree*, TreeCache*> axtree_to_tree_cache_map_;
   scoped_refptr<AutomationMessageFilter> message_filter_;
   bool is_active_profile_;
+  api::automation::TreeChangeObserverMask tree_change_observer_mask_;
 
   DISALLOW_COPY_AND_ASSIGN(AutomationInternalCustomBindings);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_RENDERER_EXTENSIONS_AUTOMATION_INTERNAL_CUSTOM_BINDINGS_H_