content: convert user action notification to observer usage

chrome/browser/metrics/metrics_service.h

 // Copyright (c) 2012 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.
 
 // This file defines a service that collects information about the user
 // experience in order to help improve future versions of the app.
 
 #ifndef CHROME_BROWSER_METRICS_METRICS_SERVICE_H_
 #define CHROME_BROWSER_METRICS_METRICS_SERVICE_H_
 
 #include <map>
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/gtest_prod_util.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/metrics/field_trial.h"
 #include "base/process_util.h"
 #include "chrome/browser/metrics/metrics_log.h"
 #include "chrome/browser/metrics/tracking_synchronizer_observer.h"
 #include "chrome/common/metrics/metrics_service_base.h"
 #include "chrome/installer/util/google_update_settings.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
+#include "content/public/browser/user_metrics.h"
 #include "net/url_request/url_fetcher_delegate.h"
 
 #if defined(OS_CHROMEOS)
 #include "chrome/browser/chromeos/external_metrics.h"
 #endif
 
 class MetricsReportingScheduler;
 class PrefService;
 class PrefServiceSimple;
 class Profile;
@@ skipping 190 matching lines @@
   // Task launched by OnInitTaskGotPluginInfo() that continues the init task by
   // loading Google Update statistics.  Called on a blocking pool thread.
   static void InitTaskGetGoogleUpdateData(base::WeakPtr<MetricsService> self,
                                           base::MessageLoopProxy* target_loop);
 
   // Callback from InitTaskGetGoogleUpdateData() that continues the init task by
   // loading profiler data.
   void OnInitTaskGotGoogleUpdateData(
       const GoogleUpdateMetrics& google_update_metrics);
 
+  void OnUserAction(const std::string& action);
+
   // TrackingSynchronizerObserver:
   virtual void ReceivedProfilerData(
       const tracked_objects::ProcessDataSnapshot& process_data,
       content::ProcessType process_type) OVERRIDE;
   // Callback that moves the state to INIT_TASK_DONE.
   virtual void FinishedReceivingProfilerData() OVERRIDE;
 
   // Returns the low entropy source for this client. This is a random value
   // that is non-identifying amongst browser clients. This method will
   // generate the entropy source value if it has not been called before.
@@ skipping 132 matching lines @@
 
   // Logs the initiation of a page load
   void LogLoadStarted();
 
   // Records a page load notification.
   void LogLoadComplete(int type,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details);
 
   // Checks whether a notification can be logged.
-  bool CanLogNotification(int type,
-                          const content::NotificationSource& source,
-                          const content::NotificationDetails& details);
+  bool CanLogNotification();
 
   // Sets the value of the specified path in prefs and schedules a save.
   void RecordBooleanPrefValue(const char* path, bool value);
 
   // Returns true if process of type |type| should be counted as a plugin
   // process, and false otherwise.
   static bool IsPluginProcess(content::ProcessType type);
 
+  content::ActionCallback action_callback_;
+
   content::NotificationRegistrar registrar_;
 
   // Indicate whether recording and reporting are currently happening.
   // These should not be set directly, but by calling SetRecording and
   // SetReporting.
   bool recording_active_;
   bool reporting_active_;
 
   // Indicate whether test mode is enabled, where the initial log should never
   // be cut, and logs are neither persisted nor uploaded.
@@ skipping 106 matching lines @@
   friend class extensions::ExtensionDownloader;
   friend class extensions::ManifestFetchData;
 
   // Returns true if prefs::kMetricsReportingEnabled is set.
   static bool IsMetricsReportingEnabled();
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(MetricsServiceHelper);
 };
 
 #endif  // CHROME_BROWSER_METRICS_METRICS_SERVICE_H_