Make base::Base64Encode() return void

content/common/page_state_serialization_unittest.cc

 // Copyright 2013 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 <math.h>
 
 #include "base/base64.h"
 #include "base/file_util.h"
 #include "base/path_service.h"
 #include "base/pickle.h"
@@ skipping 355 matching lines @@
   // BackwardsCompat_vXX tests.
   return;
 
   ExplodedPageState state;
   PopulatePageStateForBackwardsCompatTest(&state);
 
   std::string encoded;
   EXPECT_TRUE(EncodePageState(state, &encoded));
 
   std::string base64;
-  EXPECT_TRUE(base::Base64Encode(encoded, &base64));
+  base::Base64Encode(encoded, &base64);
 
   base::FilePath path;
   PathService::Get(base::DIR_TEMP, &path);
   path = path.AppendASCII("expected.dat");
 
   FILE* fp = base::OpenFile(path, "wb");
   ASSERT_TRUE(fp);
 
   const size_t kRowSize = 76;
   for (size_t offset = 0; offset < base64.size(); offset += kRowSize) {
@@ skipping 29 matching lines @@
 TEST_F(PageStateSerializationTest, BackwardsCompat_v15) {
   TestBackwardsCompat(15);
 }
 
 TEST_F(PageStateSerializationTest, BackwardsCompat_v16) {
   TestBackwardsCompat(16);
 }
 
 }  // namespace
 }  // namespace content