Parsing filesystem url before giving it to media player

content/browser/fileapi/browser_file_system_helper.h

Index: content/browser/fileapi/browser_file_system_helper.h
diff --git a/content/browser/fileapi/browser_file_system_helper.h b/content/browser/fileapi/browser_file_system_helper.h
index fe2fcfebea391503703eb9d8a5addd6a528468b0..091a1f287fdfd7712c01ea3ad72724f350729db6 100644
--- a/content/browser/fileapi/browser_file_system_helper.h
+++ b/content/browser/fileapi/browser_file_system_helper.h
@@ -11,6 +11,8 @@
 
 namespace fileapi {
 class ExternalMountPoints;
+class FileSystemContext;
+class FileSystemURL;
 }
 
 namespace quota {
@@ -29,6 +31,20 @@ CreateFileSystemContext(
     quota::SpecialStoragePolicy* special_storage_policy,
     quota::QuotaManagerProxy* quota_manager_proxy);
 
+// Check whether a process has permission to access the file system URL.
+CONTENT_EXPORT bool CheckFileSystemPermissionsForProcess(
+    fileapi::FileSystemContext* context,
+    int process_id,
+    const fileapi::FileSystemURL& url,
+    int permissions,
+    base::PlatformFileError* error);
+
+// Get the platform path from a file system URL. This needs to be called
+// on the FILE thread.
+CONTENT_EXPORT void SyncGetPlatformPath(fileapi::FileSystemContext* context,
+                                        int process_id,
+                                        const GURL& path,
+                                        base::FilePath* platform_path);
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_FILEAPI_BROWSER_FILE_SYSTEM_HELPER_H_