Re-land: Create AXAction and AXActionData as a way to simplify accessibility actions

content/renderer/accessibility/render_accessibility_impl.h

Index: content/renderer/accessibility/render_accessibility_impl.h
diff --git a/content/renderer/accessibility/render_accessibility_impl.h b/content/renderer/accessibility/render_accessibility_impl.h
index 77e0b1b88bb54ced8a02379a0f0ffdae70ff3598..fba44c7dfa4fb4c17a6f5ac1d05ca43d8b60d5b0 100644
--- a/content/renderer/accessibility/render_accessibility_impl.h
+++ b/content/renderer/accessibility/render_accessibility_impl.h
@@ -27,6 +27,10 @@ class WebDocument;
 class WebNode;
 };
 
+namespace ui {
+struct AXActionData;
+}
+
 namespace content {
 class RenderFrameImpl;
 
@@ -115,23 +119,13 @@ class CONTENT_EXPORT RenderAccessibilityImpl
   void OnDestruct() override;
 
   // Handlers for messages from the browser to the renderer.
-  void OnDoDefaultAction(int acc_obj_id);
+  void OnPerformAction(const ui::AXActionData& data);
   void OnEventsAck(int ack_token);
   void OnFatalError();
-  void OnHitTest(gfx::Point point);
-  void OnSetAccessibilityFocus(int acc_obj_id);
   void OnReset(int reset_token);
-  void OnScrollToMakeVisible(int acc_obj_id, gfx::Rect subfocus);
-  void OnScrollToPoint(int acc_obj_id, gfx::Point point);
-  void OnSetScrollOffset(int acc_obj_id, gfx::Point offset);
-  void OnSetFocus(int acc_obj_id);
-  void OnSetSelection(int anchor_acc_obj_id,
-                      int anchor_offset,
-                      int focus_acc_obj_id,
-                      int focus_offset);
-  void OnSetValue(int acc_obj_id, base::string16 value);
-  void OnShowContextMenu(int acc_obj_id);
 
+  void OnHitTest(const gfx::Point& point);
+  void OnSetAccessibilityFocus(const blink::WebAXObject& obj);
   void AddPluginTreeToUpdate(AXContentTreeUpdate* update);
   void ScrollPlugin(int id_to_make_visible);