Compressed activity log database storage

chrome/browser/extensions/activity_log/activity_log_policy.h

 // Copyright 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_LOG_POLICY_H_
 #define CHROME_BROWSER_EXTENSIONS_ACTIVITY_LOG_ACTIVITY_LOG_POLICY_H_
 
 #include <string>
 
 #include "base/bind.h"
@@ skipping 34 matching lines @@
 //
 // Since every policy implementation might summarize data differently, the
 // database implementation is policy-specific and therefore completely
 // encapsulated in the policy class.  All the member functions can be called
 // on the UI thread.
 class ActivityLogPolicy {
  public:
   enum PolicyType {
     POLICY_FULLSTREAM,
     POLICY_NOARGS,
+    POLICY_COUNTS,
     POLICY_INVALID,
   };
 
   // For all subclasses, add all the key types they might support here.
   // The actual key is returned by calling GetKey(KeyType).  The subclasses
   // are free to return an empty string for keys they don't support.
   // For every key added here, you should update the GetKey member function
   // for at least one policy.
   enum KeyType {
     PARAM_KEY_REASON,      // Why an action was blocked
@@ skipping 104 matching lines @@
 
  private:
   // See the comments for the ActivityDatabase class for a discussion of how
   // database cleanup runs.
   ActivityDatabase* db_;
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_ACTIVITY_LOG_ACTIVITY_LOG_POLICY_H_