Enables internal filesystem types via Isolated filesystems

webkit/fileapi/file_system_url.cc

Index: webkit/fileapi/file_system_url.cc
diff --git a/webkit/fileapi/file_system_url.cc b/webkit/fileapi/file_system_url.cc
index d83310d425ee7c42e7f17e13930d6268a0b9d77c..ab0c2d8f6838d4f6f578ff9c4d8108b8c2be3943 100644
--- a/webkit/fileapi/file_system_url.cc
+++ b/webkit/fileapi/file_system_url.cc
@@ -6,6 +6,7 @@
 
 #include "webkit/fileapi/file_system_types.h"
 #include "webkit/fileapi/file_system_util.h"
+#include "webkit/fileapi/isolated_context.h"
 
 namespace fileapi {
 
@@ -15,6 +16,7 @@ FileSystemURL::FileSystemURL()
 FileSystemURL::FileSystemURL(const GURL& url)
     : type_(kFileSystemTypeUnknown) {
   is_valid_ = CrackFileSystemURL(url, &origin_, &type_, &path_);
+  MayCrackIsolatedPath();
 }
 
 FileSystemURL::FileSystemURL(
@@ -24,7 +26,9 @@ FileSystemURL::FileSystemURL(
     : origin_(origin),
       type_(type),
       path_(path),
-      is_valid_(true) {}
+      is_valid_(true) {
+  MayCrackIsolatedPath();
+}
 
 FileSystemURL::~FileSystemURL() {}
 
@@ -43,7 +47,17 @@ 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