Initial support for native accessibility in ARC

content/browser/frame_host/render_frame_host_impl.h

 // 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.
 
 #ifndef CONTENT_BROWSER_FRAME_HOST_RENDER_FRAME_HOST_IMPL_H_
 #define CONTENT_BROWSER_FRAME_HOST_RENDER_FRAME_HOST_IMPL_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 109 matching lines @@
       base::Callback<void(
           const ui::AXTreeUpdate&)>;
 
   // An accessibility reset is only allowed to prevent very rare corner cases
   // or race conditions where the browser and renderer get out of sync. If
   // this happens more than this many times, kill the renderer.
   static const int kMaxAccessibilityResets = 5;
 
   static RenderFrameHostImpl* FromID(int process_id, int routing_id);
   static RenderFrameHostImpl* FromAXTreeID(
-      AXTreeIDRegistry::AXTreeID ax_tree_id);
+      ui::AXTreeIDRegistry::AXTreeID ax_tree_id);
 
   ~RenderFrameHostImpl() override;
 
   // RenderFrameHost
   int GetRoutingID() override;
-  AXTreeIDRegistry::AXTreeID GetAXTreeID() override;
+  ui::AXTreeIDRegistry::AXTreeID GetAXTreeID() override;
   SiteInstanceImpl* GetSiteInstance() override;
   RenderProcessHost* GetProcess() override;
   RenderWidgetHostView* GetView() override;
   RenderFrameHostImpl* GetParent() override;
   int GetFrameTreeNodeId() override;
   const std::string& GetFrameName() override;
   bool IsCrossProcessSubframe() override;
   const GURL& GetLastCommittedURL() override;
   const url::Origin& GetLastCommittedOrigin() override;
   gfx::NativeView GetNativeView() override;
@@ skipping 345 matching lines @@
       const base::Callback<void(RenderFrameHostImpl*, ui::AXEvent, int)>&
           callback);
 
   // Called when the metadata about the accessibility tree for this frame
   // changes due to a browser-side change, as opposed to due to an IPC from
   // a renderer.
   void UpdateAXTreeData();
 
   // Set the AX tree ID of the embedder RFHI, if this is a browser plugin guest.
   void set_browser_plugin_embedder_ax_tree_id(
-      AXTreeIDRegistry::AXTreeID ax_tree_id) {
+      ui::AXTreeIDRegistry::AXTreeID ax_tree_id) {
     browser_plugin_embedder_ax_tree_id_ = ax_tree_id;
   }
 
   // Send a message to the render process to change text track style settings.
   void SetTextTrackSettings(const FrameMsg_TextTrackSettings_Params& params);
 
   // Returns a snapshot of the accessibility tree received from the
   // renderer as of the last time an accessibility notification was
   // received.
   const ui::AXTree* GetAXTreeForTesting();
@@ skipping 293 matching lines @@
 
   void UpdatePermissionsForNavigation(
       const CommonNavigationParams& common_params,
       const RequestNavigationParams& request_params);
 
   // Returns true if the ExecuteJavaScript() API can be used on this host.
   bool CanExecuteJavaScript();
 
   // Map a routing ID from a frame in the same frame tree to a globally
   // unique AXTreeID.
-  AXTreeIDRegistry::AXTreeID RoutingIDToAXTreeID(int routing_id);
+  ui::AXTreeIDRegistry::AXTreeID RoutingIDToAXTreeID(int routing_id);
 
   // Map a browser plugin instance ID to the AXTreeID of the plugin's
   // main frame.
-  AXTreeIDRegistry::AXTreeID BrowserPluginInstanceIDToAXTreeID(int routing_id);
+  ui::AXTreeIDRegistry::AXTreeID BrowserPluginInstanceIDToAXTreeID(
+      int routing_id);
 
   // Convert the content-layer-specific AXContentNodeData to a general-purpose
   // AXNodeData structure.
   void AXContentNodeDataToAXNodeData(const AXContentNodeData& src,
                                      ui::AXNodeData* dst);
 
   // Convert the content-layer-specific AXContentTreeData to a general-purpose
   // AXTreeData structure.
   void AXContentTreeDataToAXTreeData(ui::AXTreeData* dst);
 
@@ skipping 215 matching lines @@
   int accessibility_reset_token_;
 
   // A count of the number of times we needed to reset accessibility, so
   // we don't keep trying to reset forever.
   int accessibility_reset_count_;
 
   // The last AXContentTreeData for this frame received from the RenderFrame.
   AXContentTreeData ax_content_tree_data_;
 
   // The AX tree ID of the embedder, if this is a browser plugin guest.
-  AXTreeIDRegistry::AXTreeID browser_plugin_embedder_ax_tree_id_;
+  ui::AXTreeIDRegistry::AXTreeID browser_plugin_embedder_ax_tree_id_;
 
   // The mapping from callback id to corresponding callback for pending
   // accessibility tree snapshot calls created by RequestAXTreeSnapshot.
   std::map<int, AXTreeSnapshotCallback> ax_tree_snapshot_callbacks_;
 
   // Callback when an event is received, for testing.
   base::Callback<void(RenderFrameHostImpl*, ui::AXEvent, int)>
       accessibility_testing_callback_;
   // The most recently received accessibility tree - for testing only.
   std::unique_ptr<ui::AXTree> ax_tree_for_testing_;
@@ skipping 74 matching lines @@
 
   // NOTE: This must be the last member.
   base::WeakPtrFactory<RenderFrameHostImpl> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderFrameHostImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_FRAME_HOST_RENDER_FRAME_HOST_IMPL_H_