Alter the ActivityLog db table schemas.

chrome/browser/extensions/dom_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_URL_ACTIONS_H_
-#define CHROME_BROWSER_EXTENSIONS_URL_ACTIONS_H_
+#ifndef CHROME_BROWSER_EXTENSIONS_DOM_ACTIONS_H_
+#define CHROME_BROWSER_EXTENSIONS_DOM_ACTIONS_H_
 
 #include <string>
 #include "base/string16.h"
 #include "base/time.h"
 #include "chrome/browser/extensions/activity_actions.h"
 #include "googleurl/src/gurl.h"
 
 namespace extensions {
 
-// This class describes extension actions that pertain to Content Script
-// insertion, Content Script DOM manipulations, and extension XHRs.
-class UrlAction : public Action {
+// This class describes extension actions that pertain to DOM API calls and
+// content script insertions.
+class DOMAction : public Action {
  public:
-  enum UrlActionType {
+  enum DOMActionType {
     MODIFIED,   // For Content Script DOM manipulations
     READ,       // For Content Script DOM manipulations
     INSERTED,   // For when Content Scripts are added to pages
     XHR,        // When an extension core sends an XHR
   };
 
   static const char* kTableName;
-  static const char* kTableStructure;
+  static const char* kTableBasicFields;
+  static const char* kTableContentFields[];
 
-  // Create a new UrlAction to describe a ContentScript action
-  // or XHR.  All of the parameters should have values except for
-  // url_title, which can be an empty string if the ActionType is XHR.
-  UrlAction(const std::string& extension_id,
+  // Create a new database table for storing DOMActions, or update the schema if
+  // it is out of date. Any existing data is preserved.
+  static bool InitializeTable(sql::Connection* db);
+
+  // Create a new DOMAction to describe a new DOM API call.
+  // If the DOMAction is on a background page, the url & url_title may be null.
+  // If the DOMAction refers to a content script insertion, api_call may be null
+  // but args should be the name of the content script.
+  DOMAction(const std::string& extension_id,
             const base::Time& time,
-            const UrlActionType verb,           // what happened
-            const GURL& url,                    // the url of the page or XHR
+            const DOMActionType verb,           // what happened
+            const GURL& url,                    // the url of the page the
+                                                // script is running on
             const string16& url_title,          // the page title
-            const std::string& tech_message,    // what goes under "More"
+            const std::string& api_call,        // the DOM API call
+            const std::string& args,            // the args
             const std::string& extra);          // any extra logging info
 
   // Record the action in the database.
   virtual void Record(sql::Connection* db) OVERRIDE;
 
-  // Print a UrlAction with il8n substitutions for display.
+  // Print a DOMAction with il8n substitutions for display.
   virtual std::string PrettyPrintFori18n() OVERRIDE;
 
-  // Print a UrlAction as a regular string for debugging purposes.
+  // Print a DOMAction as a regular string for debugging purposes.
   virtual std::string PrettyPrintForDebug() OVERRIDE;
 
   // Helper methods for retrieving the values.
   const std::string& extension_id() const { return extension_id_; }
   const base::Time& time() const { return time_; }
   std::string VerbAsString() const;
   const GURL& url() const { return url_; }
   const string16& url_title() const { return url_title_; }
-  const std::string& technical_message() const { return technical_message_; }
+  const std::string& api_call() const { return api_call_; }
+  const std::string& args() const { return args_; }
   const std::string& extra() const { return extra_; }
 
-  // Helper methods for restoring a UrlAction from the db.
-  static UrlActionType StringAsUrlActionType(const std::string& str);
+  // Helper methods for restoring a DOMAction from the db.
+  static DOMActionType StringAsDOMActionType(const std::string& str);
 
  protected:
-  virtual ~UrlAction();
+  virtual ~DOMAction();
 
  private:
   std::string extension_id_;
   base::Time time_;
-  UrlActionType verb_;
+  DOMActionType verb_;
   GURL url_;
   string16 url_title_;
-  std::string technical_message_;
+  std::string api_call_;
+  std::string args_;
   std::string extra_;
 
-  DISALLOW_COPY_AND_ASSIGN(UrlAction);
+  DISALLOW_COPY_AND_ASSIGN(DOMAction);
 };
 
 }  // namespace extensions
 
-#endif  // CHROME_BROWSER_EXTENSIONS_URL_ACTIONS_H_
+#endif  // CHROME_BROWSER_EXTENSIONS_DOM_ACTIONS_H_