Be explicit about target type in platform_util::OpenItem()

chrome/browser/chromeos/file_manager/fileapi_util.cc

Index: chrome/browser/chromeos/file_manager/fileapi_util.cc
diff --git a/chrome/browser/chromeos/file_manager/fileapi_util.cc b/chrome/browser/chromeos/file_manager/fileapi_util.cc
index 15550c52bedbbfc99beb321a9d7924c207e1c83e..435eb8d1c4eac71e1bee95c1fb13fb9b4ce57022 100644
--- a/chrome/browser/chromeos/file_manager/fileapi_util.cc
+++ b/chrome/browser/chromeos/file_manager/fileapi_util.cc
@@ -229,6 +229,17 @@ void CheckIfDirectoryExistsOnIOThread(
       file_system_url, callback);
 }
 
+// Used by GetMetadataForPath
+void GetMetadataOnIOThread(
+    scoped_refptr<storage::FileSystemContext> file_system_context,
+    const GURL& url,
+    const storage::FileSystemOperationRunner::GetMetadataCallback& callback) {
+  DCHECK_CURRENTLY_ON(BrowserThread::IO);
+  storage::FileSystemURL file_system_url = file_system_context->CrackURL(url);
+  file_system_context->operation_runner()->GetMetadata(file_system_url,
+                                                       callback);
+}
+
 // Checks if the |file_path| points non-native location or not.
 bool IsUnderNonNativeLocalPath(const storage::FileSystemContext& context,
                                const base::FilePath& file_path) {
@@ -557,9 +568,26 @@ void CheckIfDirectoryExists(
 
   BrowserThread::PostTask(
       BrowserThread::IO, FROM_HERE,
-      base::Bind(&CheckIfDirectoryExistsOnIOThread,
-                 file_system_context,
-                 url,
+      base::Bind(&CheckIfDirectoryExistsOnIOThread, file_system_context, url,
+                 google_apis::CreateRelayCallback(callback)));
+}
+
+void GetMetadataForPath(
+    scoped_refptr<storage::FileSystemContext> file_system_context,
+    const GURL& url,
+    const storage::FileSystemOperationRunner::GetMetadataCallback& callback) {
+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
+
+  // Check the existence of directory using file system API implementation on
+  // behalf of the file manager app. We need to grant access beforehand.
+  storage::ExternalFileSystemBackend* backend =
+      file_system_context->external_backend();
+  DCHECK(backend);
+  backend->GrantFullAccessToExtension(kFileManagerAppId);
+
+  BrowserThread::PostTask(
+      BrowserThread::IO, FROM_HERE,
+      base::Bind(&GetMetadataOnIOThread, file_system_context, url,
                  google_apis::CreateRelayCallback(callback)));
 }