Add an accessibility mode for editable text fields only.

content/renderer/render_view_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_RENDER_VIEW_IMPL_H_
 #define CONTENT_RENDERER_RENDER_VIEW_IMPL_H_
 #pragma once
 
 #include <deque>
 #include <map>
 #include <set>
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/gtest_prod_util.h"
 #include "base/id_map.h"
 #include "base/memory/linked_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/observer_list.h"
 #include "base/timer.h"
 #include "build/build_config.h"
 #include "content/common/content_export.h"
 #include "content/common/edit_command.h"
 #include "content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h"
 #include "content/common/navigation_gesture.h"
+#include "content/common/view_message_enums.h"
 #include "content/public/common/page_zoom.h"
 #include "content/public/common/referrer.h"
 #include "content/public/common/renderer_preferences.h"
 #include "content/public/common/stop_find_action.h"
 #include "content/public/renderer/render_view.h"
 #include "content/renderer/pepper/pepper_plugin_delegate_impl.h"
 #include "content/renderer/renderer_webcookiejar_impl.h"
 #include "content/renderer/render_view_selection.h"
 #include "content/renderer/render_widget.h"
 #include "ipc/ipc_platform_file.h"
@@ skipping 147 matching lines @@
       int32 opener_id,
       const content::RendererPreferences& renderer_prefs,
       const WebPreferences& webkit_prefs,
       SharedRenderViewCounter* counter,
       int32 routing_id,
       int32 surface_id,
       int64 session_storage_namespace_id,
       const string16& frame_name,
       int32 next_page_id,
       const WebKit::WebScreenInfo& screen_info,
-      bool guest);
+      bool guest,
+      AccessibilityMode accessibility_mode);
 
   // Returns the RenderViewImpl containing the given WebView.
   CONTENT_EXPORT static RenderViewImpl* FromWebView(WebKit::WebView* webview);
 
   // May return NULL when the view is closing.
   CONTENT_EXPORT WebKit::WebView* webview() const;
 
   // WebGraphicsContext3DSwapBuffersClient implementation.
 
   // Called by a GraphicsContext associated with this view when swapbuffers
@@ skipping 525 matching lines @@
                  int32 opener_id,
                  const content::RendererPreferences& renderer_prefs,
                  const WebPreferences& webkit_prefs,
                  SharedRenderViewCounter* counter,
                  int32 routing_id,
                  int32 surface_id,
                  int64 session_storage_namespace_id,
                  const string16& frame_name,
                  int32 next_page_id,
                  const WebKit::WebScreenInfo& screen_info,
-                 bool guest);
+                 bool guest,
+                 AccessibilityMode accessibility_mode);
 
   // Do not delete directly.  This class is reference counted.
   virtual ~RenderViewImpl();
 
   void UpdateURL(WebKit::WebFrame* frame);
   void UpdateTitle(WebKit::WebFrame* frame, const string16& title,
                    WebKit::WebTextDirection title_direction);
   void UpdateSessionHistory(WebKit::WebFrame* frame);
   void SendUpdateState(const WebKit::WebHistoryItem& item);
 
@@ skipping 549 matching lines @@
   int focused_plugin_id_;
 #endif
 
   // Allows JS to access DOM automation. The JS object is only exposed when the
   // DOM automation bindings are enabled.
   scoped_ptr<DomAutomationController> dom_automation_controller_;
 
   // Indicates whether this RenderView is a guest of another RenderView.
   bool guest_;
 
+  // The accessibility mode.
+  AccessibilityMode accessibility_mode_;
+
   // NOTE: pepper_delegate_ should be last member because its constructor calls
   // AddObservers method of RenderViewImpl from c-tor.
   content::PepperPluginDelegateImpl pepper_delegate_;
 
   // ---------------------------------------------------------------------------
   // ADDING NEW DATA? Please see if it fits appropriately in one of the above
   // sections rather than throwing it randomly at the end. If you're adding a
   // bunch of stuff, you should probably create a helper class and put your
   // data and methods on that to avoid bloating RenderView more.  You can
   // use the Observer interface to filter IPC messages and receive frame change
   // notifications.
   // ---------------------------------------------------------------------------
 
   DISALLOW_COPY_AND_ASSIGN(RenderViewImpl);
 };
 
 #endif  // CONTENT_RENDERER_RENDER_VIEW_IMPL_H_