Enables internal filesystem types via Isolated filesystems

webkit/fileapi/file_system_url.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "webkit/fileapi/file_system_url.h"
 
 #include "webkit/fileapi/file_system_types.h"
 #include "webkit/fileapi/file_system_util.h"
+#include "webkit/fileapi/isolated_context.h"
 
 namespace fileapi {
 
 FileSystemURL::FileSystemURL()
     : type_(kFileSystemTypeUnknown), is_valid_(false) {}
 
 FileSystemURL::FileSystemURL(const GURL& url)
     : type_(kFileSystemTypeUnknown) {
   is_valid_ = CrackFileSystemURL(url, &origin_, &type_, &path_);
+  MayCrackIsolatedPath();
 }
 
 FileSystemURL::FileSystemURL(
     const GURL& origin,
     FileSystemType type,
     const FilePath& path)
     : origin_(origin),
       type_(type),
       path_(path),
-      is_valid_(true) {}
+      is_valid_(true) {
+  MayCrackIsolatedPath();
+}
 
 FileSystemURL::~FileSystemURL() {}
 
 std::string FileSystemURL::spec() const {
   if (!is_valid_)
     return std::string();
   return GetFileSystemRootURI(origin_, type_).spec() + "/" +
       path_.AsUTF8Unsafe();
 }
 
 FileSystemURL FileSystemURL::WithPath(const FilePath& path) const {
   return FileSystemURL(origin(), type(), path);
 }
 
 bool FileSystemURL::operator==(const FileSystemURL& that) const {
   return origin_ == that.origin_ &&
       type_ == that.type_ &&
       path_ == that.path_ &&
+      filesystem_id_ == that.filesystem_id_ &&
       is_valid_ == that.is_valid_;
 }
 
+void FileSystemURL::MayCrackIsolatedPath() {
+  if (is_valid_ && type_ == kFileSystemTypeIsolated) {
+    // If the type is isolated, crack the path further to get the 'real'
+    // filesystem type and path.
+    is_valid_ = IsolatedContext::GetInstance()->CrackIsolatedPath(
+        path_, &filesystem_id_, &type_, &path_);
+  }
+}
+
 }  // namespace fileapi