Fix HistoryBackend::SetFavicons

chrome/browser/history/thumbnail_database.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 "chrome/browser/history/thumbnail_database.h"
 
 #include <algorithm>
 #include <string>
 
 #include "base/command_line.h"
@@ skipping 471 matching lines @@
 FaviconBitmapID ThumbnailDatabase::AddFaviconBitmap(
     FaviconID icon_id,
     const scoped_refptr<base::RefCountedMemory>& icon_data,
     base::Time time,
     const gfx::Size& pixel_size) {
   DCHECK(icon_id);
   sql::Statement statement(db_.GetCachedStatement(SQL_FROM_HERE,
       "INSERT INTO favicon_bitmaps (icon_id, image_data, last_updated, width, "
       "height) VALUES (?, ?, ?, ?, ?)"));
   statement.BindInt64(0, icon_id);
-  if (icon_data->size()) {
+  if (icon_data.get() && icon_data->size()) {
     statement.BindBlob(1, icon_data->front(),
                        static_cast<int>(icon_data->size()));
   } else {
     statement.BindNull(1);
   }
   statement.BindInt64(2, time.ToTimeT());
   statement.BindInt(3, pixel_size.width());
   statement.BindInt(4, pixel_size.height());
 
   if (!statement.Run())
@@ skipping 508 matching lines @@
       db_.Execute("ALTER TABLE temp_favicons RENAME TO favicons");
   if (!success)
     return false;
 
   meta_table_.SetVersionNumber(6);
   meta_table_.SetCompatibleVersionNumber(std::min(6, kCompatibleVersionNumber));
   return true;
 }
 
 }  // namespace history