Added nudge source counters to about:sync.

sync/engine/all_status.cc

 // 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.
 
 #include "sync/engine/all_status.h"
 
 #include <algorithm>
 
 #include "base/logging.h"
 #include "base/port.h"
@@ skipping 156 matching lines @@
 void AllStatus::SetKeystoreMigrationTime(const base::Time& migration_time) {
   ScopedStatusLock lock(this);
   status_.keystore_migration_time = migration_time;
 }
 
 void AllStatus::SetUniqueId(const std::string& guid) {
   ScopedStatusLock lock(this);
   status_.unique_id = guid;
 }
 
+void AllStatus::IncrementNudgeCounter(NudgeSource source) {
+  ScopedStatusLock lock(this);
+  switch(source) {
+    case NUDGE_SOURCE_LOCAL_REFRESH:
+      status_.nudge_source_local_refresh++;
+      return;
+    case NUDGE_SOURCE_LOCAL:
+      status_.nudge_source_local++;
+      return;
+    case NUDGE_SOURCE_NOTIFICATION:
+      status_.nudge_source_notification++;
+      return;
+    case NUDGE_SOURCE_CONTINUATION:
+      status_.nudge_source_continuation++;
+      return;
+    case NUDGE_SOURCE_UNKNOWN:
+      break;
+  }
+  // If we're here, the source is most likely
+  // NUDGE_SOURCE_UNKNOWN. That shouldn't happen.
+  NOTREACHED();
+}
+
 ScopedStatusLock::ScopedStatusLock(AllStatus* allstatus)
     : allstatus_(allstatus) {
   allstatus->mutex_.Acquire();
 }
 
 ScopedStatusLock::~ScopedStatusLock() {
   allstatus_->mutex_.Release();
 }
 
 }  // namespace syncer