Remove the length field from the index entries in data pack files.

chrome/browser/themes/browser_theme_pack_unittest.cc

 // Copyright (c) 2011 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/themes/browser_theme_pack.h"
 
 #include "base/file_util.h"
 #include "base/json/json_reader.h"
 #include "base/message_loop.h"
 #include "base/path_service.h"
@@ skipping 375 matching lines @@
 
   EXPECT_FALSE(LoadRawBitmapsTo(out_file_paths));
 }
 
 // TODO(erg): This test should actually test more of the built resources from
 // the extension data, but for now, exists so valgrind can test some of the
 // tricky memory stuff that BrowserThemePack does.
 TEST_F(BrowserThemePackTest, CanBuildAndReadPack) {
   ScopedTempDir dir;
   ASSERT_TRUE(dir.CreateUniqueTempDir());
-  FilePath file = dir.path().Append(FILE_PATH_LITERAL("data.pak"));
+  FilePath file = dir.path().AppendASCII("data.pak");
 
   // Part 1: Build the pack from an extension.
   {
     FilePath star_gazing_path = GetStarGazingPath();
     FilePath manifest_path =
         star_gazing_path.AppendASCII("manifest.json");
     std::string error;
     JSONFileValueSerializer serializer(manifest_path);
     scoped_ptr<DictionaryValue> valid_value(
         static_cast<DictionaryValue*>(serializer.Deserialize(NULL, &error)));
@@ skipping 14 matching lines @@
 
   // Part 2: Try to read back the data pack that we just wrote to disk.
   {
     scoped_refptr<BrowserThemePack> pack =
         BrowserThemePack::BuildFromDataPack(
             file, "mblmlcbknbnfebdfjnolmcapmdofhmme");
     ASSERT_TRUE(pack.get());
     VerifyStarGazing(pack.get());
   }
 }