Revert 142427 - Cleaning Up Extensions When Local Content Removed

chrome/browser/sync/test/integration/sync_extension_helper.cc

Index: chrome/browser/sync/test/integration/sync_extension_helper.cc
===================================================================
--- chrome/browser/sync/test/integration/sync_extension_helper.cc	(revision 143046)
+++ chrome/browser/sync/test/integration/sync_extension_helper.cc	(working copy)
@@ -18,8 +18,6 @@
 #include "chrome/common/string_ordinal.h"
 #include "chrome/browser/sync/test/integration/sync_test.h"
 #include "chrome/browser/sync/test/integration/sync_datatype_helper.h"
-#include "chrome/test/base/ui_test_utils.h"
-#include "content/public/browser/browser_thread.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using extensions::Extension;
@@ -72,16 +70,6 @@
     NOTREACHED() << "Could not install extension " << name;
     return "";
   }
-  // extensions::ExtensionGarbageCollector requires that there be a file present
-  // on the file system for all extensions; we mimic this here. This also better
-  // simulates the actual install process.
-  content::BrowserThread::PostTask(
-      content::BrowserThread::FILE, FROM_HERE,
-      base::Bind(
-          base::IgnoreResult(&file_util::CreateDirectory),
-          profile->GetExtensionService()->install_directory()
-              .AppendASCII(extension->id())));
-  ui_test_utils::RunAllPendingInMessageLoop(content::BrowserThread::FILE);
   profile->GetExtensionService()->OnExtensionInstalled(
       extension, extension->UpdatesFromGallery(), StringOrdinal());
   return extension->id();