Pass accessible location change messages to the automation API.

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 "base/macros.h"
 #include "chrome/common/extensions/api/automation.h"
 #include "extensions/renderer/object_backed_native_handler.h"
 #include "ipc/ipc_message.h"
 #include "ui/accessibility/ax_tree.h"
 #include "v8/include/v8.h"
 
 struct ExtensionMsg_AccessibilityEventParams;
+struct ExtensionMsg_AccessibilityLocationChangeParams;
 
 namespace extensions {
 
 class AutomationInternalCustomBindings;
 class AutomationMessageFilter;
 
 struct TreeCache {
   TreeCache();
   ~TreeCache();
 
@@ skipping 112 matching lines @@
   // Returns: JS object with a string key for each state flag that's set.
   void GetState(const v8::FunctionCallbackInfo<v8::Value>& args);
 
   //
   // Helper functions.
   //
 
   // Handle accessibility events from the browser process.
   void OnAccessibilityEvent(const ExtensionMsg_AccessibilityEventParams& params,
                             bool is_active_profile);
+  void OnAccessibilityLocationChange(
+      const ExtensionMsg_AccessibilityLocationChangeParams& params);
 
   void UpdateOverallTreeChangeObserverFilter();
 
   // AXTreeDelegate implementation.
   void OnNodeDataWillChange(ui::AXTree* tree,
                             const ui::AXNodeData& old_node_data,
                             const ui::AXNodeData& new_node_data) override;
   void OnTreeDataChanged(ui::AXTree* tree) override;
   void OnNodeWillBeDeleted(ui::AXTree* tree, ui::AXNode* node) override;
   void OnSubtreeWillBeDeleted(ui::AXTree* tree, ui::AXNode* node) override;
@@ skipping 17 matching lines @@
   int tree_change_observer_overall_filter_;
   std::vector<int> deleted_node_ids_;
   std::vector<int> text_changed_node_ids_;
 
   DISALLOW_COPY_AND_ASSIGN(AutomationInternalCustomBindings);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_RENDERER_EXTENSIONS_AUTOMATION_INTERNAL_CUSTOM_BINDINGS_H_