detect preferences errors

chrome/browser/pref_service_uitest.cc

 // Copyright (c) 2009 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 <string>
 
 #include "base/command_line.h"
 #include "base/file_util.h"
 #include "base/path_service.h"
 #include "base/test/test_file_util.h"
@@ skipping 68 matching lines @@
 // Also, not sure what should happen on the mac.  In any case, the code below
 // (minus the Windows bits) compiles fine on my Linux box now.
 // TODO(port): revisit this.
 TEST_F(PreferenceServiceTest, PreservedWindowPlacementIsLoaded) {
   // The window should open with the reference profile
   ASSERT_TRUE(LaunchAppWithProfile());
 
   ASSERT_TRUE(file_util::PathExists(tmp_pref_file_));
 
   JSONFileValueSerializer deserializer(tmp_pref_file_);
-  scoped_ptr<Value> root(deserializer.Deserialize(NULL));
+  scoped_ptr<Value> root(deserializer.Deserialize(NULL, NULL));
 
   ASSERT_TRUE(root.get());
   ASSERT_TRUE(root->IsType(Value::TYPE_DICTIONARY));
 
   DictionaryValue* root_dict = static_cast<DictionaryValue*>(root.get());
 
   // Retrieve the screen rect for the launched window
   scoped_refptr<BrowserProxy> browser(automation()->GetBrowserWindow(0));
   ASSERT_TRUE(browser.get());
   scoped_refptr<WindowProxy> window(browser->GetWindow());
@@ skipping 26 matching lines @@
 
   // Find if launched window is maximized.
   bool is_window_maximized = false;
   ASSERT_TRUE(window->IsMaximized(&is_window_maximized));
   bool is_maximized = false;
   EXPECT_TRUE(root_dict->GetBoolean(kBrowserWindowPlacement + L".maximized",
       &is_maximized));
   EXPECT_EQ(is_maximized, is_window_maximized);
 }
 #endif