Use a direct include of utf_string_conversions.h in content/.

content/browser/accessibility/browser_accessibility_gtk.cc

 // 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.
 
 #include "content/browser/accessibility/browser_accessibility_gtk.h"
 
 #include <gtk/gtk.h>
 
-#include "base/utf_string_conversions.h"
+#include "base/strings/utf_string_conversions.h"
 #include "content/browser/accessibility/browser_accessibility_manager_gtk.h"
 #include "content/common/accessibility_messages.h"
 
 namespace content {
 
 // The maximum length of an autogenerated unique type name string,
 // generated from the 16-bit interface mask from an AtkObject.
 // 30 is enough for the prefix "WAIType" + 5 hex chars (max) */
 static const int kWAITypeNameLen = 30;
 
@@ skipping 342 matching lines @@
     case AccessibilityNodeData::ROLE_WEBCORE_LINK:
       atk_role_ = ATK_ROLE_LINK;
       break;
     default:
       atk_role_ = ATK_ROLE_UNKNOWN;
       break;
   }
 }
 
 }  // namespace content