Fix browser crash on startup.

chrome/browser/bookmarks/bookmark_model.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 "chrome/browser/bookmarks/bookmark_model.h"
 
 #include "app/gfx/codec/png_codec.h"
 #include "app/l10n_util.h"
 #include "base/scoped_vector.h"
 #include "build/build_config.h"
@@ skipping 630 matching lines @@
     bool know_favicon,
     scoped_refptr<RefCountedBytes> data,
     bool expired,
     GURL icon_url) {
   SkBitmap fav_icon;
   BookmarkNode* node =
       load_consumer_.GetClientData(
           profile_->GetFaviconService(Profile::EXPLICIT_ACCESS), handle);
   DCHECK(node);
   node->set_favicon_load_handle(0);
-  if (know_favicon && data.get() &&
+  if (know_favicon && data.get() && data->size() &&

[sky, 2009/10/27 16:07:03]

nit: !data->data.empty()

       gfx::PNGCodec::Decode(data->front(), data->size(), &fav_icon)) {
     node->set_favicon(fav_icon);
     FavIconLoaded(node);
   }
 }
 
 void BookmarkModel::LoadFavIcon(BookmarkNode* node) {
   if (node->type() != BookmarkNode::URL)
     return;
 
@@ skipping 64 matching lines @@
 void BookmarkModel::SetFileChanged() {
   file_changed_ = true;
 }
 
 BookmarkStorage::LoadDetails* BookmarkModel::CreateLoadDetails() {
   BookmarkNode* bb_node = CreateBookmarkNode();
   BookmarkNode* other_folder_node = CreateOtherBookmarksNode();
   return new BookmarkStorage::LoadDetails(
       bb_node, other_folder_node, new BookmarkIndex(profile()), next_node_id_);
 }