Changes favicon database to support storing bitmaps of different sizes for the same icon_url

chrome/browser/history/expire_history_backend_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 <algorithm>
 #include <string>
 #include <utility>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
@@ skipping 302 matching lines @@
 
   VisitRow visit_row4(
       url_id, last_visit_time, 0, content::PAGE_TRANSITION_TYPED, 0);
   main_db_->AddVisit(&visit_row4, SOURCE_FIREFOX_IMPORTED);
 }
 
 bool ExpireHistoryTest::HasFavicon(FaviconID favicon_id) {
   if (!thumb_db_.get() || favicon_id == 0)
     return false;
   Time last_updated;
-  std::vector<unsigned char> icon_data_unused;
+  scoped_refptr<base::RefCountedMemory> icon_data_unused;
   GURL icon_url;
   return thumb_db_->GetFavicon(favicon_id, &last_updated, &icon_data_unused,
                                &icon_url, NULL);
 }
 
 FaviconID ExpireHistoryTest::GetFavicon(const GURL& page_url,
                                         IconType icon_type) {
   IconMapping icon_mapping;
   thumb_db_->GetIconMappingForPageURL(page_url, icon_type, &icon_mapping);
   return icon_mapping.icon_id;
@@ skipping 622 matching lines @@
   main_db_->GetVisitsForURL(url_id, &archived_visits);
   EXPECT_EQ(0U, archived_visits.size());
 }
 
 // TODO(brettw) add some visits with no URL to make sure everything is updated
 // properly. Have the visits also refer to nonexistent FTS rows.
 //
 // Maybe also refer to invalid favicons.
 
 }  // namespace history