Introduce PrefRegistrySyncable, simplifying PrefServiceSyncable.

chrome/browser/ui/cocoa/window_size_autosaver_unittest.mm

 // 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.
 
 #import <Cocoa/Cocoa.h>
 
 #import "chrome/browser/ui/cocoa/window_size_autosaver.h"
 
 #include "base/memory/scoped_nsobject.h"
+#include "chrome/browser/prefs/pref_registry_syncable.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/prefs/scoped_user_pref_update.h"
 #include "chrome/browser/ui/cocoa/cocoa_profile_test.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "testing/platform_test.h"
 
 namespace {
 
 class WindowSizeAutosaverTest : public CocoaProfileTest {
   virtual void SetUp() {
     CocoaProfileTest::SetUp();
     path_ = "WindowSizeAutosaverTest";
     window_ =
         [[NSWindow alloc] initWithContentRect:NSMakeRect(100, 101, 150, 151)
                                     styleMask:NSTitledWindowMask|
                                               NSResizableWindowMask
                                       backing:NSBackingStoreBuffered
                                         defer:NO];
-    profile()->GetPrefs()->RegisterDictionaryPref(
-        path_,
-        PrefServiceSyncable::UNSYNCABLE_PREF);
+    // TODO(joi): Do all registration up front.
+    static_cast<PrefRegistrySyncable*>(
+        profile()->GetPrefs()->DeprecatedGetPrefRegistry())->
+            RegisterDictionaryPref(
+                path_,
+                PrefRegistrySyncable::UNSYNCABLE_PREF);
   }
 
   virtual void TearDown() {
     [window_ close];
     CocoaProfileTest::TearDown();
   }
 
  public:
   NSWindow* window_;
   const char* path_;
@@ skipping 157 matching lines @@
   int x1, y1, x2, y2;
   EXPECT_FALSE(windowPref->GetInteger("x", &x1));
   EXPECT_FALSE(windowPref->GetInteger("y", &x1));
   ASSERT_FALSE(windowPref->GetInteger("left", &x1));
   ASSERT_FALSE(windowPref->GetInteger("right", &x2));
   ASSERT_FALSE(windowPref->GetInteger("top", &y1));
   ASSERT_FALSE(windowPref->GetInteger("bottom", &y2));
 }
 
 }  // namespace