Update tests to check fields directly.

chrome/browser/extensions/activity_log/activity_actions.h

 // Copyright (c) 2013 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 CHROME_BROWSER_EXTENSIONS_ACTIVITY_LOG_ACTIVITY_ACTIONS_H_
 #define CHROME_BROWSER_EXTENSIONS_ACTIVITY_LOG_ACTIVITY_ACTIONS_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 90 matching lines @@
   DictionaryValue* mutable_other();
 
   // Helper methods for serializing and deserializing URLs into strings.  If
   // the URL is marked as incognito, then the string is prefixed with
   // kIncognitoUrl ("<incognito>").
   std::string SerializePageUrl() const;
   void ParsePageUrl(const std::string& url);
   std::string SerializeArgUrl() const;
   void ParseArgUrl(const std::string& url);
 
+  // Number of merged records for this action.
+  int count() const { return count_; }
+  void set_count(int count) { count_ = count; }
+
   // Flatten the activity's type-specific fields into an ExtensionActivity.
   scoped_ptr<api::activity_log_private::ExtensionActivity>
       ConvertToExtensionActivity();
 
   // Print an action as a regular string for debugging purposes.
   virtual std::string PrintForDebug() const;
 
  protected:
   virtual ~Action();
 
  private:
   friend class base::RefCountedThreadSafe<Action>;
 
   std::string extension_id_;
   base::Time time_;
   ActionType action_type_;
   std::string api_name_;
   scoped_ptr<ListValue> args_;
   GURL page_url_;
   std::string page_title_;
   bool page_incognito_;
   GURL arg_url_;
   bool arg_incognito_;
   scoped_ptr<DictionaryValue> other_;
+  int count_;
 
   DISALLOW_COPY_AND_ASSIGN(Action);
 };
 
 // A comparator for Action class objects; this performs a lexicographic
 // comparison of the fields of the Action object (in an unspecfied order).
 // This can be used to use Action objects as keys in STL containers.
 struct ActionComparator {
   // Evaluates the comparison lhs < rhs.
   bool operator()(const scoped_refptr<Action>& lhs,
                   const scoped_refptr<Action>& rhs) const;
 };
 
 // Like ActionComparator, but ignores the time field in comparisons.
 struct ActionComparatorExcludingTime {
   // Evaluates the comparison lhs < rhs.
   bool operator()(const scoped_refptr<Action>& lhs,
                   const scoped_refptr<Action>& rhs) const;
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_ACTIVITY_LOG_ACTIVITY_ACTIONS_H_