Disable sync for default apps

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/path_service.h"
 #include "base/scoped_temp_dir.h"
 #include "base/stl_util.h"
@@ skipping 778 matching lines @@
           dictionary, Extension::INTERNAL, Extension::FROM_WEBSTORE);
     }
 
     {
       base::DictionaryValue dictionary;
       dictionary.SetString(extension_manifest_keys::kName, "from_bookmark");
       dictionary.SetString(extension_manifest_keys::kVersion, "0.1");
       bookmark_extension_ = prefs_.AddExtensionWithManifestAndFlags(
           dictionary, Extension::INTERNAL, Extension::FROM_BOOKMARK);
     }
+
+    {
+      base::DictionaryValue dictionary;
+      dictionary.SetString(extension_manifest_keys::kName, "from_default");
+      dictionary.SetString(extension_manifest_keys::kVersion, "0.1");
+      default_extension_ = prefs_.AddExtensionWithManifestAndFlags(
+          dictionary, Extension::INTERNAL, Extension::FROM_DEFAULT);
+    }
   }
 
   virtual void Verify() {
     EXPECT_TRUE(prefs()->IsFromWebStore(webstore_extension_->id()));
     EXPECT_FALSE(prefs()->IsFromBookmark(webstore_extension_->id()));
 
     EXPECT_TRUE(prefs()->IsFromBookmark(bookmark_extension_->id()));
     EXPECT_FALSE(prefs()->IsFromWebStore(bookmark_extension_->id()));
+
+    EXPECT_TRUE(prefs()->IsFromDefault(default_extension_->id()));
   }
 
  private:
   scoped_refptr<Extension> webstore_extension_;
   scoped_refptr<Extension> bookmark_extension_;
+  scoped_refptr<Extension> default_extension_;
 };
 TEST_F(ExtensionPrefsFlags, ExtensionPrefsFlags) {}
 
 namespace keys = extension_manifest_keys;
 
 ExtensionPrefsPrepopulatedTest::ExtensionPrefsPrepopulatedTest()
     : ExtensionPrefsTest(),
       ext1_(NULL),
       ext2_(NULL),
       ext3_(NULL),
@@ skipping 446 matching lines @@
     EXPECT_EQ(string16(), error16);
     EXPECT_TRUE(prefs()->UserMayModifySettings(extension_.get(), &error16));
     EXPECT_EQ(string16(), error16);
     EXPECT_FALSE(prefs()->MustRemainEnabled(extension_.get(), &error16));
     EXPECT_EQ(string16(), error16);
   }
 };
 TEST_F(ExtensionPrefsNotRequiredExtension, NotRequiredExtension) {}
 
 }  // namespace extensions