Compressed activity log database storage

chrome/browser/extensions/activity_log/activity_log.cc

 // Copyright (c) 2011 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.
 
 #include "chrome/browser/extensions/activity_log/activity_log.h"
 
 #include <set>
 #include <vector>
 
 #include "base/command_line.h"
 #include "base/json/json_string_value_serializer.h"
 #include "base/logging.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/threading/thread_checker.h"
 #include "chrome/browser/extensions/activity_log/activity_action_constants.h"
+#include "chrome/browser/extensions/activity_log/counting_policy.h"
 #include "chrome/browser/extensions/activity_log/stream_noargs_ui_policy.h"
 #include "chrome/browser/extensions/api/activity_log_private/activity_log_private_api.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/extension_system.h"
 #include "chrome/browser/extensions/extension_system_factory.h"
 #include "chrome/browser/extensions/extension_tab_util.h"
 #include "chrome/browser/extensions/install_tracker_factory.h"
 #include "chrome/browser/prerender/prerender_manager.h"
 #include "chrome/browser/prerender/prerender_manager_factory.h"
 #include "chrome/browser/profiles/incognito_helpers.h"
@@ skipping 207 matching lines @@
     if (policy_)
       policy_->Close();
 
     switch (policy_type) {
       case ActivityLogPolicy::POLICY_FULLSTREAM:
         policy_ = new FullStreamUIPolicy(profile_);
         break;
       case ActivityLogPolicy::POLICY_NOARGS:
         policy_ = new StreamWithoutArgsUIPolicy(profile_);
         break;
+      case ActivityLogPolicy::POLICY_COUNTS:
+        policy_ = new CountingPolicy(profile_);
+        break;
       default:
         NOTREACHED();
     }
     policy_type_ = policy_type;
   }
 }
 
 // Use GetInstance instead of directly creating an ActivityLog.
 ActivityLog::ActivityLog(Profile* profile)
     : policy_(NULL),
@@ skipping 39 matching lines @@
   tracker_->AddObserver(this);
   ChooseDefaultPolicy();
   initialized_ = true;
 }
 
 void ActivityLog::ChooseDefaultPolicy() {
   if (policy_chosen_ || !enabled_) return;
   if (testing_mode_)
     SetDefaultPolicy(ActivityLogPolicy::POLICY_FULLSTREAM);
   else
-    SetDefaultPolicy(ActivityLogPolicy::POLICY_NOARGS);
+    SetDefaultPolicy(ActivityLogPolicy::POLICY_COUNTS);
 }
 
 void ActivityLog::Shutdown() {
   if (tracker_) tracker_->RemoveObserver(this);
 }
 
 ActivityLog::~ActivityLog() {
   if (policy_)
     policy_->Close();
 }
@@ skipping 104 matching lines @@
            it2 != it->second.end();
            ++it2) {
         action->mutable_args()->AppendString(*it2);
       }
       LogAction(action);
     }
   }
 }
 
 }  // namespace extensions