Move browsing data counters helper functions to an 'utils' file.

chrome/browser/ui/webui/options/clear_browser_data_handler.h

Index: chrome/browser/ui/webui/options/clear_browser_data_handler.h
diff --git a/chrome/browser/ui/webui/options/clear_browser_data_handler.h b/chrome/browser/ui/webui/options/clear_browser_data_handler.h
index ea1e7dc91e95436f9dc343e01462b06bd58762b4..32c9628aae0884c2c5086e1cfdb702ff976b2dd1 100644
--- a/chrome/browser/ui/webui/options/clear_browser_data_handler.h
+++ b/chrome/browser/ui/webui/options/clear_browser_data_handler.h
@@ -32,10 +32,6 @@ class ClearBrowserDataHandler : public OptionsPageUIHandler,
 
   void UpdateInfoBannerVisibility();
 
-  // Constructs the text to be displayed by a counter from the given |result|.
-  static base::string16 GetCounterTextFromResult(
-      const BrowsingDataCounter::Result* result);
-
  private:
   // Javascript callback for when the CBD dialog is opened. The caller does
   // not provide any parameters, so |value| is unused.