Update PDF accessibility when zoom level changes

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"
@@ skipping 48 matching lines @@
   // enabling accessibility if it wasn't already enabled.
   static void SnapshotAccessibilityTree(
       RenderFrameImpl* render_frame,
       AXContentTreeUpdate* response);
 
   explicit RenderAccessibilityImpl(RenderFrameImpl* render_frame);
   ~RenderAccessibilityImpl() override;
 
   // RenderAccessibility implementation.
   int GenerateAXID() override;
-  void SetPdfTreeSource(PdfAXTreeSource* source) override;
+  void SetPluginTreeSource(PluginAXTreeSource* source) override;
+  void OnPluginRootNodeUpdated() override;
 
   // RenderFrameObserver implementation.
   bool OnMessageReceived(const IPC::Message& message) override;
 
   // Called when an accessibility notification occurs in Blink.
   void HandleWebAccessibilityEvent(const blink::WebAXObject& obj,
                                    blink::WebAXEvent event);
 
   // Called when a new find in page result is highlighted.
   void HandleAccessibilityFindInPageResult(
@@ skipping 44 matching lines @@
   void OnScrollToPoint(int acc_obj_id, gfx::Point point);
   void OnSetScrollOffset(int acc_obj_id, gfx::Point offset);
   void OnSetFocus(int acc_obj_id);
   void OnSetSelection(int anchor_acc_obj_id,
                       int anchor_offset,
                       int focus_acc_obj_id,
                       int focus_offset);
   void OnSetValue(int acc_obj_id, base::string16 value);
   void OnShowContextMenu(int acc_obj_id);
 
-  void AddPdfTreeToUpdate(AXContentTreeUpdate* update);
-  void ScrollPdf(int id_to_make_visible);
+  void AddPluginTreeToUpdate(AXContentTreeUpdate* update);
+  void ScrollPlugin(int id_to_make_visible);
 
   // Events from Blink are collected until they are ready to be
   // sent to the browser.
   std::vector<AccessibilityHostMsg_EventParams> pending_events_;
 
   // The adapter that exposes Blink's accessibility tree to AXTreeSerializer.
   BlinkAXTreeSource tree_source_;
 
   // The serializer that sends accessibility messages to the browser process.
   using BlinkAXTreeSerializer =
       ui::AXTreeSerializer<blink::WebAXObject,
                            AXContentNodeData,
                            AXContentTreeData>;
   BlinkAXTreeSerializer serializer_;
 
-  using PdfAXTreeSerializer = ui::AXTreeSerializer<const ui::AXNode*,
-                                                   ui::AXNodeData,
-                                                   ui::AXTreeData>;
-  std::unique_ptr<PdfAXTreeSerializer> pdf_serializer_;
-  PdfAXTreeSource* pdf_tree_source_;
+  using PluginAXTreeSerializer = ui::AXTreeSerializer<const ui::AXNode*,
+                                                      ui::AXNodeData,
+                                                      ui::AXTreeData>;
+  std::unique_ptr<PluginAXTreeSerializer> plugin_serializer_;
+  PluginAXTreeSource* plugin_tree_source_;
 
   // Current location of every object, so we can detect when it moves.
   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.
@@ skipping 11 matching lines @@
 
   // 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_