Use of base::StringPairs appropriately in content

content/browser/accessibility/browser_accessibility.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_H_
 #define CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_H_
 
 #include <map>
 #include <utility>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/strings/string16.h"
+#include "base/strings/string_split.h"
 #include "build/build_config.h"
 #include "content/common/content_export.h"
 #include "third_party/WebKit/public/web/WebAXEnums.h"
 #include "ui/accessibility/ax_node.h"
 #include "ui/accessibility/ax_node_data.h"
 
 #if defined(OS_MACOSX) && __OBJC__
 @class BrowserAccessibilityCocoa;
 #endif
 
@@ skipping 129 matching lines @@
 
   BrowserAccessibility* GetParent() const;
   int32 GetIndexInParent() const;
 
   int32 GetId() const;
   const ui::AXNodeData& GetData() const;
   gfx::Rect GetLocation() const;
   int32 GetRole() const;
   int32 GetState() const;
 
-  typedef std::vector<std::pair<std::string, std::string> > HtmlAttributes;
+  typedef base::StringPairs HtmlAttributes;
   const HtmlAttributes& GetHtmlAttributes() const;
 
 #if defined(OS_MACOSX) && __OBJC__
   BrowserAccessibilityCocoa* ToBrowserAccessibilityCocoa();
 #elif defined(OS_WIN)
   BrowserAccessibilityWin* ToBrowserAccessibilityWin();
 #endif
 
   // Accessing accessibility attributes:
   //
@@ skipping 88 matching lines @@
 
   std::string name_;
   std::string value_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserAccessibility);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_H_