Wire up the deleteFileSystem operation.

webkit/fileapi/sandbox_mount_point_provider.cc

Index: webkit/fileapi/sandbox_mount_point_provider.cc
diff --git a/webkit/fileapi/sandbox_mount_point_provider.cc b/webkit/fileapi/sandbox_mount_point_provider.cc
index 30f6a97f60103ddbfc8ddc80e28189a41eb9bb5d..58555b92f9e745537fb453dd164b410edf6eb1aa 100644
--- a/webkit/fileapi/sandbox_mount_point_provider.cc
+++ b/webkit/fileapi/sandbox_mount_point_provider.cc
@@ -309,6 +309,24 @@ void ValidateRootOnFileThread(
   // this method is called or not.
 }
 
+void DidDeleteFileSystem(
+    const base::Callback<void(PlatformFileError)>& callback,
+    base::PlatformFileError* error) {
+  callback.Run(*error);
+}
+
+void DeleteFileSystemOnFileThread(
+    const GURL& origin_url,
+    FileSystemType type,
+    FileSystemContext* context,
+    base::PlatformFileError* error_ptr) {
+  bool result =
+      context->DeleteDataForOriginAndTypeOnFileThread(origin_url, type);
+  *error_ptr = result ?
+      base::PLATFORM_FILE_OK :
+      base::PLATFORM_FILE_ERROR_FAILED;
+}
+
 }  // anonymous namespace
 
 const FilePath::CharType SandboxMountPointProvider::kOldFileSystemDirectory[] =
@@ -459,6 +477,22 @@ FileSystemQuotaUtil* SandboxMountPointProvider::GetQuotaUtil() {
   return this;
 }
 
+void SandboxMountPointProvider::DeleteFileSystem(
+    const GURL& origin_url,
+    FileSystemType type,
+    FileSystemContext* context,
+    const base::Callback<void(PlatformFileError)>& callback) const {

[tzik, 2012/07/28 00:36:46]

Can we use DeleteFileSystemCallback here?

[nhiroki (google), 2012/07/28 02:01:56]

Done.

+  base::PlatformFileError* error_ptr = new base::PlatformFileError;
+  file_task_runner_->PostTaskAndReply(
+      FROM_HERE,
+      base::Bind(&DeleteFileSystemOnFileThread,
+                 origin_url,
+                 type,
+                 base::Unretained(context),
+                 base::Unretained(error_ptr)),
+      base::Bind(&DidDeleteFileSystem, callback, base::Owned(error_ptr)));
+}
+
 FilePath SandboxMountPointProvider::old_base_path() const {
   return profile_path_.Append(kOldFileSystemDirectory);
 }