Isolated FS for media devices.

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..036c59ee53f8b0e873321ddec885eee5fa154d35 100644
--- a/webkit/fileapi/file_system_context.cc
+++ b/webkit/fileapi/file_system_context.cc
@@ -60,7 +60,7 @@ FileSystemContext::FileSystemContext(
               file_task_runner,
               profile_path,
               options)),
-      isolated_provider_(new IsolatedMountPointProvider) {
+      isolated_provider_(new IsolatedMountPointProvider(profile_path)) {
   if (quota_manager_proxy) {
     quota_manager_proxy->RegisterClient(CreateQuotaClient(
             this, options.is_incognito()));
@@ -122,6 +122,7 @@ FileSystemMountPointProvider* FileSystemContext::GetMountPointProvider(
       return sandbox_provider_.get();
     case kFileSystemTypeExternal:
       return external_provider_.get();
+    case kFileSystemTypeDeviceMedia:
     case kFileSystemTypeIsolated:
     case kFileSystemTypeDragged:
       return isolated_provider_.get();