Store default search provider data in dictionary pref.

chrome/browser/search_engines/template_url_service_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 "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/callback.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_vector.h"
 #include "base/run_loop.h"
@@ skipping 1665 matching lines @@
   scoped_ptr<AssociatedExtensionInfo> extension_info(
       new AssociatedExtensionInfo);
   extension_info->wants_to_be_default_engine = true;
   extension_info->extension_id = "ext1";
   model()->AddExtensionControlledTURL(ext_dse, extension_info.Pass());
   EXPECT_EQ(ext_dse, model()->GetTemplateURLForKeyword(ASCIIToUTF16("ext1")));
   EXPECT_TRUE(model()->is_default_search_managed());
   actual_managed_default = model()->GetDefaultSearchProvider();
   ExpectSimilar(expected_managed_default.get(), actual_managed_default);
 }
+
+TEST_F(TemplateURLServiceTest, PrefSaving) {
+  // Add a new TemplateURL.
+  test_util_.VerifyLoad();
+  TemplateURL* t_url = AddKeywordWithDate(
+      "name1", "key1", "http://foo1/{searchTerms}", "http://sugg1",
+      std::string(), "http://icon1", true, "UTF-8;UTF-16", Time(), Time());
+  model()->SetUserSelectedDefaultSearchProvider(t_url);
+
+  AssertEquals(*t_url, *model()->GetDefaultSearchProvider());
+  TemplateURL* read_url = NULL;
+  model()->ReadDataFromPrefsDictionary(&read_url);
+  AssertEquals(*read_url, *model()->GetDefaultSearchProvider());
+}

[erikwright (departed), 2014/04/22 15:47:24]

Are there not some "is equivalent TemplateURL" methods that could be used here,
too?

[Cait (Slow), 2014/04/22 19:54:13]

ExpectSimilar is what we want here I think.