[Suggestions] Make ThumbnailManager implement ImageManager

chrome/browser/search/suggestions/thumbnail_manager_unittest.cc

 // Copyright 2014 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/memory/scoped_ptr.h"
 #include "chrome/browser/search/suggestions/proto/suggestions.pb.h"
 #include "chrome/browser/search/suggestions/thumbnail_manager.h"
 #include "chrome/test/base/testing_profile.h"
@@ skipping 25 matching lines @@
   }
 
   content::TestBrowserThreadBundle thread_bundle_;
   EntryMap db_model_;
 };
 
 }  // namespace
 
 namespace suggestions {
 
-TEST_F(ThumbnailManagerTest, InitializeThumbnailMapTest) {
+TEST_F(ThumbnailManagerTest, InitializeTest) {
   SuggestionsProfile suggestions_profile;
   ChromeSuggestion* suggestion = suggestions_profile.add_suggestions();
   suggestion->set_url(kTestUrl);
   suggestion->set_thumbnail(kTestThumbnailUrl);
 
   TestingProfile profile;
   scoped_ptr<ThumbnailManager> thumbnail_manager(
       CreateThumbnailManager(&profile));
-  thumbnail_manager->InitializeThumbnailMap(suggestions_profile);
+  thumbnail_manager->Initialize(suggestions_profile);
 
   GURL output;
   EXPECT_TRUE(thumbnail_manager->GetThumbnailURL(GURL(kTestUrl), &output));
   EXPECT_EQ(GURL(kTestThumbnailUrl), output);
 
   EXPECT_FALSE(
       thumbnail_manager->GetThumbnailURL(GURL("http://b.com"), &output));
 }
 
 }  // namespace suggestions