Generalize the HIT_TEST accessibility action so that it can send any event.

content/browser/accessibility/browser_accessibility_manager.cc

 // Copyright (c) 2012 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.
 
 #include "content/browser/accessibility/browser_accessibility_manager.h"
 
 #include <stddef.h>
 #include <utility>
 
 #include "base/logging.h"
@@ skipping 432 matching lines @@
   find_in_page_info_.start_offset = start_offset;
   find_in_page_info_.end_id = end_id;
   find_in_page_info_.end_offset = end_offset;
 
   if (find_in_page_info_.active_request_id == request_id)
     ActivateFindInPageResult(request_id);
 }
 
 void BrowserAccessibilityManager::OnChildFrameHitTestResult(
     const gfx::Point& point,
-    int hit_obj_id) {
+    int hit_obj_id,
+    ui::AXEvent event_to_fire) {
   BrowserAccessibility* obj = GetFromID(hit_obj_id);
   if (!obj || !obj->HasIntAttribute(ui::AX_ATTR_CHILD_TREE_ID))
     return;
 
   BrowserAccessibilityManager* child_manager =
       BrowserAccessibilityManager::FromID(
           obj->GetIntAttribute(ui::AX_ATTR_CHILD_TREE_ID));
   if (!child_manager || !child_manager->delegate())
     return;
 
   ui::AXActionData action_data;
   action_data.target_point = point;
   action_data.action = ui::AX_ACTION_HIT_TEST;
+  action_data.hit_test_event_to_fire = event_to_fire;
   return child_manager->delegate()->AccessibilityPerformAction(action_data);
 }
 
 void BrowserAccessibilityManager::ActivateFindInPageResult(
     int request_id) {
   find_in_page_info_.active_request_id = request_id;
   if (find_in_page_info_.request_id != request_id)
     return;
 
   BrowserAccessibility* node = GetFromID(find_in_page_info_.start_id);
@@ skipping 237 matching lines @@
   delegate_->AccessibilityPerformAction(action_data);
 }
 
 void BrowserAccessibilityManager::HitTest(const gfx::Point& point) {
   if (!delegate_)
     return;
 
   ui::AXActionData action_data;
   action_data.action = ui::AX_ACTION_HIT_TEST;
   action_data.target_point = point;
+  action_data.hit_test_event_to_fire = ui::AX_EVENT_HOVER;
   delegate_->AccessibilityPerformAction(action_data);
 }
 
 gfx::Rect BrowserAccessibilityManager::GetViewBounds() {
   BrowserAccessibilityDelegate* delegate = GetDelegateFromRootManager();
   if (delegate)
     return delegate->AccessibilityGetViewBounds();
   return gfx::Rect();
 }
 
@@ skipping 510 matching lines @@
       hit_test_result = parent;
     parent = parent->GetParent();
   }
 
   last_hover_ax_tree_id_ = hit_test_result->manager()->ax_tree_id();
   last_hover_node_id_ = hit_test_result->GetId();
   last_hover_bounds_ = hit_test_result->GetScreenBoundsRect();
 }
 
 }  // namespace content