Create AXAction and AXActionData as a way to simplify accessibility actions

content/public/browser/render_frame_host.h

Index: content/public/browser/render_frame_host.h
diff --git a/content/public/browser/render_frame_host.h b/content/public/browser/render_frame_host.h
index 2d44e2c7c6af9677cc687f5a655e66ac94b99e80..86eb250450a4540c0870d08fb0dcc0225adc99b8 100644
--- a/content/public/browser/render_frame_host.h
+++ b/content/public/browser/render_frame_host.h
@@ -15,6 +15,7 @@
 #include "ipc/ipc_listener.h"
 #include "ipc/ipc_sender.h"
 #include "third_party/WebKit/public/platform/WebPageVisibilityState.h"
+#include "ui/accessibility/ax_enums.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/gfx/native_widget_types.h"
 #include "url/gurl.h"
@@ -29,6 +30,10 @@ class InterfaceRegistry;
 class InterfaceProvider;
 }
 
+namespace ui {
+struct AXActionData;
+}
+
 namespace content {
 class AssociatedInterfaceProvider;
 class AssociatedInterfaceRegistry;
@@ -143,17 +148,10 @@ class CONTENT_EXPORT RenderFrameHost : public IPC::Listener,
   virtual void ExecuteJavaScriptWithUserGestureForTests(
       const base::string16& javascript) = 0;
 
-  // Accessibility actions - these send a message to the RenderFrame
-  // to trigger an action on an accessibility object.
-  virtual void AccessibilitySetFocus(int acc_obj_id) = 0;
-  virtual void AccessibilityDoDefaultAction(int acc_obj_id) = 0;
-  virtual void AccessibilityScrollToMakeVisible(
-      int acc_obj_id, const gfx::Rect& subfocus) = 0;
-  virtual void AccessibilityShowContextMenu(int acc_obj_id) = 0;
-  virtual void AccessibilitySetSelection(int anchor_object_id,
-                                         int anchor_offset,
-                                         int focus_object_id,
-                                         int focus_offset) = 0;
+  // Send a message to the RenderFrame to trigger an action on an
+  // accessibility object.
+  virtual void AccessibilityPerformAction(ui::AXAction action,
+                                          const ui::AXActionData& data) = 0;
 
   // This is called when the user has committed to the given find in page
   // request (e.g. by pressing enter or by clicking on the next / previous