Rename DirectoryService to ResourceMetadata

BUG=none
TEST=compiles


Review URL: https://chromiumcodereview.appspot.com/11189139

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@163602 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/chromeos/drive/drive_feed_loader.cc

@@ -784,7 +784,7 @@ void DriveFeedLoader::LoadFromCache(bool should_load_from_server,
     path = path.Append(kResourceMetadataDBFile);
     resource_metadata_->InitFromDB(path, blocking_task_runner_,
         base::Bind(
-            &DriveFeedLoader::ContinueWithInitializedDirectoryService,
+            &DriveFeedLoader::ContinueWithInitializedResourceMetadata,
             weak_ptr_factory_.GetWeakPtr(),
             base::Owned(params)));
   } else {
@@ -817,15 +817,15 @@ void DriveFeedLoader::OnProtoLoaded(LoadRootFeedParams* params) {
     }
   }
 
-  ContinueWithInitializedDirectoryService(params, params->load_error);
+  ContinueWithInitializedResourceMetadata(params, params->load_error);
 }
 
-void DriveFeedLoader::ContinueWithInitializedDirectoryService(
+void DriveFeedLoader::ContinueWithInitializedResourceMetadata(
     LoadRootFeedParams* params,
     DriveFileError error) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 
-  DVLOG(1) << "Time elapsed to load directory service from disk="
+  DVLOG(1) << "Time elapsed to load resource metadata from disk="
            << (base::Time::Now() - params->load_start_time).InMilliseconds()
            << " milliseconds";
 

chrome/browser/chromeos/drive/drive_feed_loader.h

@@ -162,9 +162,9 @@ class DriveFeedLoader {
   // Callback for handling root directory refresh from the cache.
   void OnProtoLoaded(LoadRootFeedParams* params);
 
-  // Continues handling root directory refresh after the directory service
+  // Continues handling root directory refresh after the resource metadata
   // is fully loaded.
-  void ContinueWithInitializedDirectoryService(LoadRootFeedParams* params,
+  void ContinueWithInitializedResourceMetadata(LoadRootFeedParams* params,
                                                DriveFileError error);
 
   // Helper callback for handling results of metadata retrieval initiated from