Revert 241126 "[SyncFS] Add verbose logging to SyncEngineInitial..."

trunk/src/chrome/browser/sync_file_system/drive_backend/list_changes_task.cc

Index: trunk/src/chrome/browser/sync_file_system/drive_backend/list_changes_task.cc
===================================================================
--- trunk/src/chrome/browser/sync_file_system/drive_backend/list_changes_task.cc	(revision 241140)
+++ trunk/src/chrome/browser/sync_file_system/drive_backend/list_changes_task.cc	(working copy)
@@ -13,7 +13,6 @@
 #include "chrome/browser/sync_file_system/drive_backend/sync_engine_context.h"
 #include "chrome/browser/sync_file_system/drive_backend_v1/drive_file_sync_util.h"
 #include "chrome/browser/sync_file_system/logger.h"
-#include "chrome/browser/sync_file_system/logger.h"
 #include "chrome/browser/sync_file_system/syncable_file_system_util.h"
 #include "google_apis/drive/drive_api_parser.h"
 #include "google_apis/drive/gdata_wapi_parser.h"
@@ -46,11 +45,8 @@
 }
 
 void ListChangesTask::Run(const SyncStatusCallback& callback) {
-  util::Log(logging::LOG_VERBOSE, FROM_HERE, "[Changes] Start.");
-
   if (!IsContextReady()) {
-    util::Log(logging::LOG_VERBOSE, FROM_HERE,
-              "[Changes] Failed to get required sercive.");
+    util::Log(logging::LOG_ERROR, FROM_HERE, "Failed to get required sercive.");
     RunSoon(FROM_HERE, base::Bind(callback, SYNC_STATUS_FAILED));
     return;
   }
@@ -67,16 +63,13 @@
     scoped_ptr<google_apis::ResourceList> resource_list) {
   SyncStatusCode status = GDataErrorCodeToSyncStatusCode(error);
   if (status != SYNC_STATUS_OK) {
-    util::Log(logging::LOG_VERBOSE, FROM_HERE,
-              "[Changes] Failed to fetch change list.");
+    util::Log(logging::LOG_ERROR, FROM_HERE, "Failed to fetch change list.");
     callback.Run(SYNC_STATUS_NETWORK_ERROR);
     return;
   }
 
   if (!resource_list) {
     NOTREACHED();
-    util::Log(logging::LOG_VERBOSE, FROM_HERE,
-              "[Changes] Got invalid change list.");
     callback.Run(SYNC_STATUS_FAILED);
     return;
   }
@@ -102,14 +95,10 @@
   }
 
   if (change_list_.empty()) {
-    util::Log(logging::LOG_VERBOSE, FROM_HERE, "[Changes] Got no change.");
     callback.Run(SYNC_STATUS_NO_CHANGE_TO_SYNC);
     return;
   }
 
-  util::Log(logging::LOG_VERBOSE, FROM_HERE,
-            "[Changes] Got %zd changes, updating MetadataDatabase.",
-            change_list_.size());
   metadata_database()->UpdateByChangeList(
       resource_list->largest_changestamp(),
       change_list_.Pass(), callback);