Wire up the deleteFileSystem operation.

webkit/fileapi/file_system_context.cc

Index: webkit/fileapi/file_system_context.cc
diff --git a/webkit/fileapi/file_system_context.cc b/webkit/fileapi/file_system_context.cc
index 2b8c7fa9a53ac484fc8c00076001f3f16e7be418..f79a09f16d23a5bf56f4b6064b8bd1d87a25e6de 100644
--- a/webkit/fileapi/file_system_context.cc
+++ b/webkit/fileapi/file_system_context.cc
@@ -36,10 +36,11 @@ QuotaClient* CreateQuotaClient(
   return new FileSystemQuotaClient(context, is_incognito);
 }
 
-void DidOpenFileSystem(FileSystemContext::OpenFileSystemCallback callback,
-                       const GURL& filesystem_root,
-                       const std::string& filesystem_name,
-                       base::PlatformFileError error) {
+void DidOpenFileSystem(
+    const FileSystemContext::OpenFileSystemCallback& callback,
+    const GURL& filesystem_root,
+    const std::string& filesystem_name,
+    base::PlatformFileError error) {
   callback.Run(error, filesystem_name, filesystem_root);
 }
 
@@ -84,16 +85,18 @@ bool FileSystemContext::DeleteDataForOriginOnFileThread(
           this, quota_manager_proxy(), origin_url, kFileSystemTypePersistent);
 }
 
-bool FileSystemContext::DeleteDataForOriginAndTypeOnFileThread(
+base::PlatformFileError
+FileSystemContext::DeleteDataForOriginAndTypeOnFileThread(

[kinuko, 2012/07/31 20:10:30]

Since you changed the return code here I think you need to change the callsite
FileSystemQuotaClient::DeleteOriginTask
too.

[nhiroki (google), 2012/08/01 00:15:48]

Done.

     const GURL& origin_url, FileSystemType type) {
   DCHECK(file_task_runner_->RunsTasksOnCurrentThread());
   if (type == fileapi::kFileSystemTypeTemporary ||
       type == fileapi::kFileSystemTypePersistent) {
     DCHECK(sandbox_provider());
-    return sandbox_provider()->DeleteOriginDataOnFileThread(
-        this, quota_manager_proxy(), origin_url, type);
+    if (sandbox_provider()->DeleteOriginDataOnFileThread(
+        this, quota_manager_proxy(), origin_url, type))
+      return base::PLATFORM_FILE_OK;
   }
-  return false;
+  return base::PLATFORM_FILE_ERROR_FAILED;
 }
 
 FileSystemQuotaUtil*
@@ -149,7 +152,7 @@ void FileSystemContext::OpenFileSystem(
     const GURL& origin_url,
     FileSystemType type,
     bool create,
-    OpenFileSystemCallback callback) {
+    const OpenFileSystemCallback& callback) {
   DCHECK(!callback.is_null());
 
   FileSystemMountPointProvider* mount_point_provider =
@@ -167,6 +170,20 @@ void FileSystemContext::OpenFileSystem(
       base::Bind(&DidOpenFileSystem, callback, root_url, name));
 }
 
+void FileSystemContext::DeleteFileSystem(
+    const GURL& origin_url,
+    FileSystemType type,
+    const DeleteFileSystemCallback& callback) {
+  FileSystemMountPointProvider* mount_point_provider =
+      GetMountPointProvider(type);
+  if (!mount_point_provider) {
+    callback.Run(base::PLATFORM_FILE_ERROR_SECURITY);
+    return;
+  }
+
+  mount_point_provider->DeleteFileSystem(origin_url, type, this, callback);
+}
+
 FileSystemOperationInterface* FileSystemContext::CreateFileSystemOperation(
     const FileSystemURL& url) {
   if (!url.is_valid())