Refactor preference syncing.

chrome/browser/extensions/extension_prefs_unittest.cc

 // Copyright (c) 2011 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 "base/memory/scoped_temp_dir.h"
 #include "base/message_loop.h"
 #include "base/path_service.h"
 #include "base/stl_util-inl.h"
 #include "base/string_number_conversions.h"
 #include "base/stringprintf.h"
@@ skipping 665 matching lines @@
 
     ext1_ = ext1_scoped_.get();
     ext2_ = ext2_scoped_.get();
     ext3_ = ext3_scoped_.get();
 
     for (size_t i = 0; i < arraysize(installed); ++i)
       installed[i] = false;
   }
 
   void RegisterPreferences() {
-    prefs()->pref_service()->RegisterStringPref(kPref1, kDefaultPref1);
-    prefs()->pref_service()->RegisterStringPref(kPref2, kDefaultPref2);
-    prefs()->pref_service()->RegisterStringPref(kPref3, kDefaultPref3);
-    prefs()->pref_service()->RegisterStringPref(kPref4, kDefaultPref4);
+    prefs()->pref_service()->RegisterStringPref(kPref1,
+                                                kDefaultPref1,
+                                                false /* don't sync pref */);
+    prefs()->pref_service()->RegisterStringPref(kPref2,
+                                                kDefaultPref2,
+                                                false /* don't sync pref */);
+    prefs()->pref_service()->RegisterStringPref(kPref3,
+                                                kDefaultPref3,
+                                                false /* don't sync pref */);
+    prefs()->pref_service()->RegisterStringPref(kPref4,
+                                                kDefaultPref4,
+                                                false /* don't sync pref */);
   }
 
   void InstallExtControlledPref(Extension *ext,
                                 const std::string& key,
                                 Value* val) {
     EnsureExtensionInstalled(ext);
     prefs()->SetExtensionControlledPref(ext->id(), key, false, val);
   }
 
   void InstallExtControlledPrefIncognito(Extension *ext,
@@ skipping 251 matching lines @@
     testing::Mock::VerifyAndClearExpectations(v1i);
     testing::Mock::VerifyAndClearExpectations(v2);
     testing::Mock::VerifyAndClearExpectations(v2i);
   }
 
   virtual void Verify() {
   }
 };
 TEST_F(ExtensionPrefsSetExtensionControlledPref,
     ExtensionPrefsSetExtensionControlledPref) {}