Make utility process run in-process when running in single-process mode.

chrome/browser/extensions/sandboxed_unpacker.h

Index: chrome/browser/extensions/sandboxed_unpacker.h
===================================================================
--- chrome/browser/extensions/sandboxed_unpacker.h	(revision 210446)
+++ chrome/browser/extensions/sandboxed_unpacker.h	(working copy)
@@ -74,7 +74,6 @@
   // |client| with the result. If |run_out_of_process| is provided, unpacking
   // is done in a sandboxed subprocess. Otherwise, it is done in-process.
   SandboxedUnpacker(const base::FilePath& crx_path,
-                    bool run_out_of_process,
                     Manifest::Location location,
                     int creation_flags,
                     const base::FilePath& extensions_dir,
@@ -195,9 +194,6 @@
   // The path to the CRX to unpack.
   base::FilePath crx_path_;
 
-  // True if unpacking should be done by the utility process.
-  bool run_out_of_process_;
-
   // Our client.
   scoped_refptr<SandboxedUnpackerClient> client_;