blink:bindings: Passes the global context instead of |this| in JS.

extensions/renderer/file_system_natives.cc

Index: extensions/renderer/file_system_natives.cc
diff --git a/extensions/renderer/file_system_natives.cc b/extensions/renderer/file_system_natives.cc
index a06eec8cdd35de2a7cc30b80f18a75e2c3f93b3a..67b5d13f2a808c6a720403d28ff3c1c383cf79a6 100644
--- a/extensions/renderer/file_system_natives.cc
+++ b/extensions/renderer/file_system_natives.cc
@@ -65,7 +65,7 @@ void FileSystemNatives::GetIsolatedFileSystem(
                                       blink::WebFileSystemTypeIsolated,
                                       blink::WebString::fromUTF8(name),
                                       root_url)
-          .toV8Value(args.Holder(), args.GetIsolate()));
+          .toV8Value(context()->v8_context()->Global(), args.GetIsolate()));
 }
 
 void FileSystemNatives::GetFileEntry(
@@ -105,7 +105,7 @@ void FileSystemNatives::GetFileEntry(
           file_system_root_url)
           .createV8Entry(blink::WebString::fromUTF8(file_path_string),
                          entry_type,
-                         args.Holder(),
+                         context()->v8_context()->Global(),
                          args.GetIsolate()));
 }
 
@@ -150,7 +150,8 @@ void FileSystemNatives::GetDOMError(
   blink::WebDOMError dom_error = blink::WebDOMError::create(
       blink::WebString::fromUTF8(name), blink::WebString::fromUTF8(message));
   args.GetReturnValue().Set(
-      dom_error.toV8Value(args.Holder(), args.GetIsolate()));
+      dom_error.toV8Value(context()->v8_context()->Global(),
+                          args.GetIsolate()));
 }
 
 }  // namespace extensions