Dedupe code in SetIdleInstallInfo(), FinishIdleInstallInfo() and OnExtensionInstalled().

chrome/browser/extensions/extension_prefs_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "extension_prefs_unittest.h"
 
 #include "base/basictypes.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/path_service.h"
 #include "base/prefs/public/pref_change_registrar.h"
@@ skipping 590 matching lines @@
     DictionaryValue manifest;
     manifest.SetString(extension_manifest_keys::kName, "test");
     manifest.SetString(extension_manifest_keys::kVersion,
                        "1." + base::IntToString(num));
     FilePath path = prefs_.extensions_dir().AppendASCII(base::IntToString(num));
     std::string errors;
     scoped_refptr<Extension> extension = Extension::Create(
         path, Extension::INTERNAL, manifest, Extension::NO_FLAGS, id, &errors);
     ASSERT_TRUE(extension) << errors;
     ASSERT_EQ(id, extension->id());
-    prefs()->SetIdleInstallInfo(extension.get(), Extension::ENABLED);
+    prefs()->SetIdleInstallInfo(extension.get(), Extension::ENABLED,
+                                syncer::StringOrdinal());
   }
 
   // Verifies that we get back expected idle install information previously
   // set by SetIdleInfo.
   void VerifyIdleInfo(std::string id, int num) {
     scoped_ptr<ExtensionInfo> info(prefs()->GetIdleInstallInfo(id));
     ASSERT_TRUE(info);
     std::string version;
     ASSERT_TRUE(info->extension_manifest->GetString("version", &version));
     ASSERT_EQ("1." + base::IntToString(num), version);
@@ skipping 639 matching lines @@
 
  private:
   scoped_refptr<const Extension> extension_a_;
   scoped_refptr<const Extension> extension_b_;
   scoped_refptr<const Extension> extension_c_;
 };
 TEST_F(ExtensionPrefsBlacklistedExtensions,
        ExtensionPrefsBlacklistedExtensions) {}
 
 }  // namespace extensions