Revert 221580 "Make AppShimHostManager a RefCountedThreadSafe."

trunk/src/chrome/browser/browser_process_platform_part_mac.h

Index: trunk/src/chrome/browser/browser_process_platform_part_mac.h
===================================================================
--- trunk/src/chrome/browser/browser_process_platform_part_mac.h	(revision 221792)
+++ trunk/src/chrome/browser/browser_process_platform_part_mac.h	(working copy)
@@ -5,11 +5,12 @@
 #ifndef CHROME_BROWSER_BROWSER_PROCESS_PLATFORM_PART_MAC_H_
 #define CHROME_BROWSER_BROWSER_PROCESS_PLATFORM_PART_MAC_H_
 
-#include "apps/app_shim/app_shim_host_manager_mac.h"
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/browser_process_platform_part_base.h"
 
+class AppShimHostManager;
+
 namespace apps {
 class ExtensionAppShimHandler;
 }
@@ -28,7 +29,7 @@
 
  private:
   // Hosts the IPC channel factory that App Shims connect to on Mac.
-  scoped_refptr<AppShimHostManager> app_shim_host_manager_;
+  scoped_ptr<AppShimHostManager> app_shim_host_manager_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserProcessPlatformPart);
 };