Fixed IAccessibleText::TextAtOffset with IA2_TEXT_BOUNDARY_WORD to return text that spans from the …

content/browser/accessibility/browser_accessibility_win.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_ACCESSIBILITY_BROWSER_ACCESSIBILITY_WIN_H_
 #define CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_WIN_H_
 
 #include <atlbase.h>
 #include <atlcom.h>
 #include <oleacc.h>
@@ skipping 815 matching lines @@
   ui::TextBoundaryType IA2TextBoundaryToTextBoundary(IA2TextBoundaryType type);
 
   // Search forwards (direction == 1) or backwards (direction == -1)
   // from the given offset until the given boundary is found, and
   // return the offset of that boundary.
   LONG FindBoundary(const base::string16& text,
                     IA2TextBoundaryType ia2_boundary,
                     LONG start_offset,
                     ui::TextBoundaryDirection direction);
 
+  // Searches in the given text and from the given offset until the start of
+  // the next or previous word is found and returns its position.
+  LONG FindWordStartBoundary(const base::string16& text,
+                             LONG start_offset,
+                             ui::TextBoundaryDirection direction);
+
   // Return a pointer to the object corresponding to the given id,
   // does not make a new reference.
   BrowserAccessibilityWin* GetFromID(int32 id);
 
   // Windows-specific unique ID (unique within the browser process),
   // used for get_accChild, NotifyWinEvent, and as the unique ID for
   // IAccessible2 and ISimpleDOM.
   LONG unique_id_win_;
 
   // IAccessible role and state.
@@ skipping 47 matching lines @@
   // Give BrowserAccessibility::Create access to our constructor.
   friend class BrowserAccessibility;
   friend class BrowserAccessibilityRelation;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserAccessibilityWin);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_WIN_H_