Manky attempt with TextInputClient

ui/accessibility/platform/ax_platform_node_delegate.h

 // Copyright 2014 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 UI_ACCESSIBILITY_PLATFORM_AX_PLATFORM_NODE_DELEGATE_H_
 #define UI_ACCESSIBILITY_PLATFORM_AX_PLATFORM_NODE_DELEGATE_H_
 
 #include "ui/accessibility/ax_enums.h"
 #include "ui/accessibility/ax_export.h"
 #include "ui/gfx/geometry/vector2d.h"
 #include "ui/gfx/native_widget_types.h"
 
 namespace ui {
 
 struct AXActionData;
 struct AXNodeData;
 struct AXTreeData;
 class AXPlatformNode;
+class TextInputClient;
 
 // An object that wants to be accessible should derive from this class.
 // AXPlatformNode subclasses use this interface to query all of the information
 // about the object in order to implement native accessibility APIs.
 //
 // Note that AXPlatformNode has support for accessibility trees where some
 // of the objects in the tree are not implemented using AXPlatformNode.
 // For example, you may have a native window with platform-native widgets
 // in it, but in that window you have custom controls that use AXPlatformNode
 // to provide accessibility. That's why GetParent, ChildAtIndex, HitTestSync,
@@ skipping 20 matching lines @@
 
   // Get the number of children of this node.
   virtual int GetChildCount() = 0;
 
   // Get the child of a node given a 0-based index.
   virtual gfx::NativeViewAccessible ChildAtIndex(int index) = 0;
 
   // Get the bounds of this node in screen coordinates.
   virtual gfx::Rect GetScreenBoundsRect() const = 0;
 
+  // Get the TextInputClient, if there is one for this element. When available,
+  // this can provide detailed properties for text in this node.
+  virtual TextInputClient* GetTextInputClient() const = 0;
+
   // Do a *synchronous* hit test of the given location in global screen
   // coordinates, and the node within this node's subtree (inclusive) that's
   // hit, if any.
   //
   // If the result is anything other than this object or NULL, it will be
   // hit tested again recursively - that allows hit testing to work across
   // implementation classes. It's okay to take advantage of this and return
   // only an immediate child and not the deepest descendant.
   //
   // This function is mainly used by accessibility debugging software.
@@ skipping 17 matching lines @@
   //
 
   // Perform an accessibility action, switching on the ui::AXAction
   // provided in |data|.
   virtual bool AccessibilityPerformAction(const ui::AXActionData& data) = 0;
 };
 
 }  // namespace ui
 
 #endif  // UI_ACCESSIBILITY_PLATFORM_AX_PLATFORM_NODE_DELEGATE_H_