Revert of Migrate accessibility from RenderView to RenderFrame.

content/browser/renderer_host/render_view_host_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_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_IMPL_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_IMPL_H_
 
 #include <map>
 #include <string>
 #include <vector>
 
 #include "base/callback.h"
 #include "base/compiler_specific.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/process/kill.h"
 #include "content/browser/renderer_host/render_widget_host_impl.h"
 #include "content/browser/site_instance_impl.h"
 #include "content/common/drag_event_source_info.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/common/window_container_type.h"
 #include "net/base/load_states.h"
 #include "third_party/WebKit/public/web/WebAXEnums.h"
 #include "third_party/WebKit/public/web/WebConsoleMessage.h"
 #include "third_party/WebKit/public/web/WebPopupType.h"
 #include "third_party/skia/include/core/SkColor.h"
+#include "ui/accessibility/ax_node_data.h"
 #include "ui/base/window_open_disposition.h"
 
 class SkBitmap;
 class FrameMsg_Navigate;
+struct AccessibilityHostMsg_EventParams;
+struct AccessibilityHostMsg_LocationChangeParams;
 struct MediaPlayerAction;
 struct ViewHostMsg_CreateWindow_Params;
 struct ViewHostMsg_ShowPopup_Params;
 struct FrameMsg_Navigate_Params;
 struct ViewMsg_PostMessage_Params;
 
 namespace base {
 class ListValue;
 }
 
@@ skipping 356 matching lines @@
   void DidCancelPopupMenu();
 #endif
 
   int main_frame_routing_id() const {
     return main_frame_routing_id_;
   }
 
   // Set the opener to null in the renderer process.
   void DisownOpener();
 
+  // Turn on accessibility testing. The given callback will be run
+  // every time an accessibility notification is received from the
+  // renderer process, and the accessibility tree it sent can be
+  // retrieved using accessibility_tree_for_testing().
+  void SetAccessibilityCallbackForTesting(
+      const base::Callback<void(ui::AXEvent, int)>& callback);
+
+  // Only valid if SetAccessibilityCallbackForTesting was called and
+  // the callback was run at least once. Returns a snapshot of the
+  // accessibility tree received from the renderer as of the last time
+  // an accessibility notification was received.
+  const ui::AXTree& ax_tree_for_testing() {
+    CHECK(ax_tree_.get());
+    return *ax_tree_.get();
+  }
+
+  // Set accessibility callbacks.
+  void SetAccessibilityLayoutCompleteCallbackForTesting(
+      const base::Closure& callback);
+  void SetAccessibilityLoadCompleteCallbackForTesting(
+      const base::Closure& callback);
+  void SetAccessibilityOtherCallbackForTesting(
+      const base::Closure& callback);
+
   bool is_waiting_for_beforeunload_ack() {
     return is_waiting_for_beforeunload_ack_;
   }
 
   // Whether the RVH is waiting for the unload ack from the renderer.
   bool IsWaitingForUnloadACK() const;
 
   void OnTextSurroundingSelectionResponse(const base::string16& content,
                                           size_t start_offset,
                                           size_t end_offset);
@@ skipping 60 matching lines @@
                        const SkBitmap& bitmap,
                        const gfx::Vector2d& bitmap_offset_in_dip,
                        const DragEventSourceInfo& event_info);
   void OnUpdateDragCursor(blink::WebDragOperation drag_operation);
   void OnTargetDropACK();
   void OnTakeFocus(bool reverse);
   void OnFocusedNodeChanged(bool is_editable_node);
   void OnUpdateInspectorSetting(const std::string& key,
                                 const std::string& value);
   void OnClosePageACK();
+  void OnAccessibilityEvents(
+      const std::vector<AccessibilityHostMsg_EventParams>& params);
+  void OnAccessibilityLocationChanges(
+      const std::vector<AccessibilityHostMsg_LocationChangeParams>& params);
   void OnDidZoomURL(double zoom_level, const GURL& url);
   void OnRunFileChooser(const FileChooserParams& params);
   void OnFocusedNodeTouched(bool editable);
 
 #if defined(OS_MACOSX) || defined(OS_ANDROID)
   void OnShowPopup(const ViewHostMsg_ShowPopup_Params& params);
   void OnHidePopup();
 #endif
 
  private:
@@ skipping 72 matching lines @@
   // TODO(nasko): Move to RenderFrameHost, as this is per-frame state.
   bool is_waiting_for_beforeunload_ack_;
 
   // Valid only when is_waiting_for_beforeunload_ack_ or
   // IsWaitingForUnloadACK is true.  This tells us if the unload request
   // is for closing the entire tab ( = false), or only this RenderViewHost in
   // the case of a cross-site transition ( = true).
   // TODO(nasko): Move to RenderFrameHost, as this is per-frame state.
   bool unload_ack_is_for_cross_site_transition_;
 
+  // Accessibility callback for testing.
+  base::Callback<void(ui::AXEvent, int)> accessibility_testing_callback_;
+
+  // The most recently received accessibility tree - for testing only.
+  scoped_ptr<ui::AXTree> ax_tree_;
+
   // True if the render view can be shut down suddenly.
   bool sudden_termination_allowed_;
 
   // The termination status of the last render view that terminated.
   base::TerminationStatus render_view_termination_status_;
 
   // Set to true if we requested the on screen keyboard to be displayed.
   bool virtual_keyboard_requested_;
 
 #if defined(ENABLE_BROWSER_CDMS)
@@ skipping 20 matching lines @@
   DISALLOW_COPY_AND_ASSIGN(RenderViewHostImpl);
 };
 
 #if defined(COMPILER_MSVC)
 #pragma warning(pop)
 #endif
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_IMPL_H_