Reland: HTML Pack Extension Dialog / Linux & Mac Packaging Support

chrome/browser/extensions/pack_extension_job.h

Index: chrome/browser/extensions/pack_extension_job.h
diff --git a/chrome/browser/extensions/pack_extension_job.h b/chrome/browser/extensions/pack_extension_job.h
index ec00f21c2a9f665ba1ab53c1f3ac02853ccc64af..8c3cf269a3ee13f15436ee9f071fa5f898157774 100644
--- a/chrome/browser/extensions/pack_extension_job.h
+++ b/chrome/browser/extensions/pack_extension_job.h
@@ -2,6 +2,9 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+#ifndef CHROME_BROWSER_EXTENSIONS_PACK_EXTENSION_JOB_UI_H_
+#define CHROME_BROWSER_EXTENSIONS_PACK_EXTENSION_JOB_UI_H_
+
 #include <string>
 
 #include "base/file_path.h"
@@ -11,7 +14,7 @@ class MessageLoop;
 
 // Manages packing an extension on the file thread and reporting the result
 // back to the UI.
-class PackExtensionJob : public base::RefCounted<PackExtensionJob> {
+class PackExtensionJob : public base::RefCountedThreadSafe<PackExtensionJob> {
  public:
 
   // Interface for people who want to use PackExtensionJob to implement.
@@ -46,3 +49,6 @@ class PackExtensionJob : public base::RefCounted<PackExtensionJob> {
 
   DISALLOW_COPY_AND_ASSIGN(PackExtensionJob);
 };
+
+#endif  // CHROME_BROWSER_EXTENSIONS_PACK_EXTENSION_JOB_UI_H_
+