Add verbose logging for native accessibility events.

content/browser/accessibility/browser_accessibility_manager_win.h

 // 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.
 
 #ifndef CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_MANAGER_WIN_H_
 #define CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_MANAGER_WIN_H_
 
 #include <oleacc.h>
 
 #include <memory>
 
 #include "base/macros.h"
 #include "base/win/scoped_comptr.h"
 #include "content/browser/accessibility/browser_accessibility_manager.h"
 #include "ui/accessibility/platform/ax_platform_node_win.h"
 
 namespace content {
+class BrowserAccessibilityEventWin;
 class BrowserAccessibilityWin;
 
 // Manages a tree of BrowserAccessibilityWin objects.
 class CONTENT_EXPORT BrowserAccessibilityManagerWin
     : public BrowserAccessibilityManager,
       public ui::IAccessible2UsageObserver {
  public:
   BrowserAccessibilityManagerWin(
       const ui::AXTreeUpdate& initial_tree,
       BrowserAccessibilityDelegate* delegate,
       BrowserAccessibilityFactory* factory = new BrowserAccessibilityFactory());
 
   ~BrowserAccessibilityManagerWin() override;
 
   static ui::AXTreeUpdate GetEmptyDocument();
 
   // Get the closest containing HWND.
   HWND GetParentHWND();
 
   // The IAccessible for the parent window.
   IAccessible* GetParentIAccessible();
 
-  // Calls NotifyWinEvent if the parent window's IAccessible pointer is known.
-  void MaybeCallNotifyWinEvent(DWORD event, BrowserAccessibility* node);
-
   // IAccessible2UsageObserver
   void OnIAccessible2Used() override;
 
   // BrowserAccessibilityManager methods
   void UserIsReloading() override;
   void NotifyAccessibilityEvent(
-      ui::AXEvent event_type, BrowserAccessibility* node) override;
+      BrowserAccessibilityEvent::Source source,
+      ui::AXEvent event_type,
+      BrowserAccessibility* node) override;
+  BrowserAccessibilityEvent::Result
+      FireWinAccessibilityEvent(BrowserAccessibilityEventWin* event);
   bool CanFireEvents() override;
-  void FireFocusEvent(BrowserAccessibility* node) override;
+  void FireFocusEvent(
+      BrowserAccessibilityEvent::Source source,
+      BrowserAccessibility* node) override;
 
   // Track this object and post a VISIBLE_DATA_CHANGED notification when
   // its container scrolls.
   // TODO(dmazzoni): remove once http://crbug.com/113483 is fixed.
   void TrackScrollingObject(BrowserAccessibilityWin* node);
 
   // Called when |accessible_hwnd_| is deleted by its parent.
   void OnAccessibleHwndDeleted();
 
  protected:
@@ skipping 13 matching lines @@
   // post a notification directly on it when it reaches its destination.
   // TODO(dmazzoni): remove once http://crbug.com/113483 is fixed.
   BrowserAccessibilityWin* tracked_scroll_object_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserAccessibilityManagerWin);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_MANAGER_WIN_H_