Use relative bounding boxes throughout Chrome accessibility

content/renderer/accessibility/render_accessibility_impl.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_RENDERER_ACCESSIBILITY_RENDER_ACCESSIBILITY_IMPL_H_
 #define CONTENT_RENDERER_ACCESSIBILITY_RENDER_ACCESSIBILITY_IMPL_H_
 
 #include <vector>
 
 #include "base/containers/hash_tables.h"
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "content/common/ax_content_node_data.h"
 #include "content/public/renderer/render_accessibility.h"
 #include "content/public/renderer/render_frame_observer.h"
 #include "content/renderer/accessibility/blink_ax_tree_source.h"
 #include "third_party/WebKit/public/web/WebAXObject.h"
+#include "ui/accessibility/ax_relative_bounds.h"
 #include "ui/accessibility/ax_tree.h"
 #include "ui/accessibility/ax_tree_serializer.h"
 #include "ui/gfx/geometry/rect_f.h"
 
 struct AccessibilityHostMsg_EventParams;
 
 namespace blink {
 class WebDocument;
 class WebNode;
 };
@@ skipping 118 matching lines @@
                            AXContentTreeData>;
   BlinkAXTreeSerializer serializer_;
 
   using PdfAXTreeSerializer = ui::AXTreeSerializer<const ui::AXNode*,
                                                    ui::AXNodeData,
                                                    ui::AXTreeData>;
   std::unique_ptr<PdfAXTreeSerializer> pdf_serializer_;
   PdfAXTreeSource* pdf_tree_source_;
 
   // Current location of every object, so we can detect when it moves.
-  base::hash_map<int, gfx::RectF> locations_;
+  base::hash_map<int, ui::AXRelativeBounds> locations_;
 
   // The most recently observed scroll offset of the root document element.
   // TODO(dmazzoni): remove once https://bugs.webkit.org/show_bug.cgi?id=73460
   // is fixed.
   gfx::Size last_scroll_offset_;
 
   // Set if we are waiting for an accessibility event ack.
   bool ack_pending_;
 
   // Nonzero if the browser requested we reset the accessibility state.
   // We need to return this token in the next IPC.
   int reset_token_;
 
   // So we can queue up tasks to be executed later.
   base::WeakPtrFactory<RenderAccessibilityImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderAccessibilityImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_ACCESSIBILITY_RENDERER_ACCESSIBILITY_H_