Save extension activity log to a file.

chrome/browser/extensions/activity_database.h

Index: chrome/browser/extensions/activity_database.h
===================================================================
--- chrome/browser/extensions/activity_database.h	(revision 0)
+++ chrome/browser/extensions/activity_database.h	(revision 0)
@@ -0,0 +1,75 @@
+// 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_DATABASE_H_
+#define CHROME_BROWSER_EXTENSIONS_ACTIVITY_DATABASE_H_
+
+#include "base/basictypes.h"
+#include "base/file_path.h"
+#include "base/memory/ref_counted_memory.h"
+#include "chrome/browser/extensions/api_actions.h"
+#include "chrome/browser/extensions/blocked_actions.h"
+#include "chrome/browser/extensions/url_actions.h"
+#include "sql/connection.h"
+#include "sql/init_status.h"
+
+class FilePath;
+
+namespace extensions {
+
+// Encapsulates the SQL connection for the activity log database.
+// This class holds the database connection and has methods for writing.
+class ActivityDatabase : public base::RefCountedThreadSafe<ActivityDatabase> {
+ public:
+  // Need to call Init to actually use the ActivityDatabase.
+  ActivityDatabase();
+
+  // Sets up an optional error delegate.
+  // Should be the only thing done before Init.
+  void SetErrorDelegate(sql::ErrorDelegate* error_delegate);
+
+  // Opens the DB and creates tables as necessary.
+  void Init(const FilePath& db_name);
+  void LogInitFailure();
+
+  // Record a UrlAction in the database.
+  void RecordUrlAction(scoped_refptr<UrlAction> action);
+
+  // Record a APIAction in the database.
+  void RecordAPIAction(scoped_refptr<APIAction> action);
+
+  // Record a BlockedAction in the database.
+  void RecordBlockedAction(scoped_refptr<BlockedAction> action);
+
+  // Record an Action in the database.
+  void RecordAction(scoped_refptr<Action> action);
+
+  void KillDatabase();
+
+  bool initialized() const { return initialized_; }
+
+  // Standard db operation wrappers.
+  void BeginTransaction();
+  void CommitTransaction();
+  void RollbackTransaction();
+  bool Raze();
+  void Close();
+
+ private:
+  friend class base::RefCountedThreadSafe<ActivityDatabase>;
+
+  virtual ~ActivityDatabase();
+
+  sql::InitStatus InitializeTable(const char* table_name,
+                                  const char* table_structure);
+
+  sql::Connection db_;
+  bool initialized_;
+
+  DISALLOW_COPY_AND_ASSIGN(ActivityDatabase);
+};
+
+}  // namespace extensions
+#endif  // CHROME_BROWSER_EXTENSIONS_ACTIVITY_DATABASE_H_
+