Revert 46567 - Reimplement accessibility of web content by caching the entire...

chrome/renderer/render_view.h

 // Copyright (c) 2010 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 CHROME_RENDERER_RENDER_VIEW_H_
 #define CHROME_RENDERER_RENDER_VIEW_H_
 
 #include <deque>
 #include <map>
 #include <set>
@@ skipping 27 matching lines @@
 #include "chrome/renderer/form_manager.h"
 #include "chrome/renderer/notification_provider.h"
 #include "chrome/renderer/render_widget.h"
 #include "chrome/renderer/render_view_visitor.h"
 #include "chrome/renderer/renderer_webcookiejar_impl.h"
 #include "chrome/renderer/translate_helper.h"
 #include "gfx/point.h"
 #include "gfx/rect.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "testing/gtest/include/gtest/gtest_prod.h"
-#include "third_party/WebKit/WebKit/chromium/public/WebAccessibilityObject.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebConsoleMessage.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebContextMenuData.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebFrameClient.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebMediaPlayerAction.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebNode.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebPageSerializerClient.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebTextDirection.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebView.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebViewClient.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebNavigationType.h"
@@ skipping 431 matching lines @@
   void OnSetExtensionViewMode(const std::string& mode);
 
   const WebPreferences& webkit_preferences() const {
     return webkit_preferences_;
   }
 
   // Called when the "idle" user script state has been reached. See
   // UserScript::DOCUMENT_IDLE.
   void OnUserScriptIdleTriggered(WebKit::WebFrame* frame);
 
-  void OnGetAccessibilityTree();
-
 #if defined(OS_MACOSX)
   // Helper routines for GPU plugin support. Used by the
   // WebPluginDelegateProxy, which has a pointer to the RenderView.
   gfx::PluginWindowHandle AllocateFakePluginWindowHandle(bool opaque);
   void DestroyFakePluginWindowHandle(gfx::PluginWindowHandle window);
   void AcceleratedSurfaceSetIOSurface(gfx::PluginWindowHandle window,
                                       int32 width,
                                       int32 height,
                                       uint64 io_surface_identifier);
   TransportDIB::Handle AcceleratedSurfaceAllocTransportDIB(size_t size);
@@ skipping 213 matching lines @@
   void OnDisableScrollbarsForSmallWindows(
       const gfx::Size& disable_scrollbars_size_limit);
   void OnSetRendererPrefs(const RendererPreferences& renderer_prefs);
   void OnMediaPlayerActionAt(const gfx::Point& location,
                              const WebKit::WebMediaPlayerAction& action);
   void OnNotifyRendererViewType(ViewType::Type view_type);
   void OnUpdateBrowserWindowId(int window_id);
   void OnExecuteCode(const ViewMsg_ExecuteCode_Params& params);
   void ExecuteCodeImpl(WebKit::WebFrame* frame,
                        const ViewMsg_ExecuteCode_Params& params);
+  void OnGetAccessibilityInfo(
+      const webkit_glue::WebAccessibility::InParams& in_params,
+      webkit_glue::WebAccessibility::OutParams* out_params);
+  void OnClearAccessibilityInfo(int acc_obj_id, bool clear_all);
 
   void OnExtensionMessageInvoke(const std::string& function_name,
                                 const ListValue& args,
                                 bool requires_incognito_access,
                                 const GURL& event_url);
 
   void OnMoveOrResizeStarted();
 
   // Checks if the RenderView should close, runs the beforeunload handler and
   // sends ViewMsg_ShouldClose to the browser.
@@ skipping 310 matching lines @@
   // to a common opener. This count is shared among all RenderViews created
   // with createView(). All popups are treated as unrequested until
   // specifically instructed otherwise by the Browser process.
   scoped_refptr<SharedRenderViewCounter> shared_popup_counter_;
 
   // Whether this is a top level window (instead of a popup). Top level windows
   // shouldn't count against their own |shared_popup_counter_|.
   bool decrement_shared_popup_at_destruction_;
 
   // TODO(port): revisit once we have accessibility
-
+#if defined(OS_WIN)
   // Handles accessibility requests into the renderer side, as well as
   // maintains the cache and other features of the accessibility tree.
   scoped_ptr<WebKit::WebAccessibilityCache> accessibility_;
+#endif
 
   // Resource message queue. Used to queue up resource IPCs if we need
   // to wait for an ACK from the browser before proceeding.
   std::queue<IPC::Message*> queued_resource_messages_;
 
   // The id of the last request sent for form field autofill.  Used to ignore
   // out of date responses.
   int autofill_query_id_;
 
   // The id of the node corresponding to the last request sent for form field
@@ skipping 135 matching lines @@
 
   // Site isolation metrics flags.  These are per-page-load counts, reset to 0
   // in OnClosePage.
   int cross_origin_access_count_;
   int same_origin_access_count_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderView);
 };
 
 #endif  // CHROME_RENDERER_RENDER_VIEW_H_