Add interface to get relative bounding box rect of AX objects.

third_party/WebKit/Source/web/WebAXObject.cpp

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 31 matching lines @@
 #include "core/input/EventHandler.h"
 #include "core/style/ComputedStyle.h"
 #include "core/page/Page.h"
 #include "modules/accessibility/AXObject.h"
 #include "modules/accessibility/AXObjectCacheImpl.h"
 #include "modules/accessibility/AXTable.h"
 #include "modules/accessibility/AXTableCell.h"
 #include "modules/accessibility/AXTableColumn.h"
 #include "modules/accessibility/AXTableRow.h"
 #include "platform/PlatformKeyboardEvent.h"
+#include "public/platform/WebFloatRect.h"
 #include "public/platform/WebPoint.h"
 #include "public/platform/WebRect.h"
 #include "public/platform/WebString.h"
 #include "public/platform/WebURL.h"
 #include "public/web/WebDocument.h"
 #include "public/web/WebElement.h"
 #include "public/web/WebNode.h"
 #include "web/WebLocalFrameImpl.h"
 #include "web/WebViewImpl.h"
 #include "wtf/text/StringBuilder.h"
@@ skipping 1458 matching lines @@
 }
 
 void WebAXObject::setScrollOffset(const WebPoint& offset) const
 {
     if (isDetached())
         return;
 
     m_private->setScrollOffset(offset);
 }
 
+void WebAXObject::getRelativeBounds(WebAXObject& offsetContainer, WebFloatRect& boundsInContainer, SkMatrix44& containerTransform) const
+{
+    if (isDetached())
+        return;
+
+#if DCHECK_IS_ON()
+    DCHECK(isLayoutClean(m_private->getDocument()));
+#endif
+
+    AXObject* container = nullptr;
+    FloatRect bounds;
+    m_private->getRelativeBounds(&container, bounds, containerTransform);
+    offsetContainer = WebAXObject(container);
+    boundsInContainer = WebFloatRect(bounds);
+}
+
 void WebAXObject::scrollToMakeVisible() const
 {
     if (!isDetached())
         m_private->scrollToMakeVisible();
 }
 
 void WebAXObject::scrollToMakeVisibleWithSubFocus(const WebRect& subfocus) const
 {
     if (!isDetached())
         m_private->scrollToMakeVisibleWithSubFocus(subfocus);
@@ skipping 23 matching lines @@
     m_private = object;
     return *this;
 }
 
 WebAXObject::operator AXObject*() const
 {
     return m_private.get();
 }
 
 } // namespace blink