Fix test failure: SysInfoTest.GoogleChromeOSVersionNumbersFirst

base/sys_info_chromeos.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 "base/sys_info.h"
 
 #include "base/basictypes.h"
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/string_tokenizer.h"
@@ skipping 25 matching lines @@
 // static
 std::string SysInfo::GetLinuxStandardBaseVersionKey() {
   return std::string(kLinuxStandardBaseVersionKey);
 }
 
 // static
 void SysInfo::ParseLsbRelease(const std::string& lsb_release,
                               int32 *major_version,
                               int32 *minor_version,
                               int32 *bugfix_version) {
-  size_t version_key_index =
-      lsb_release.find(kLinuxStandardBaseVersionKey,
-                       arraysize(kLinuxStandardBaseVersionKey) - 1);
+  size_t version_key_index = lsb_release.find(kLinuxStandardBaseVersionKey);
   if (std::string::npos == version_key_index) {
     return;
   }
   size_t start_index = lsb_release.find_first_of('=', version_key_index);
   start_index++;  // Move past '='.
   size_t length = lsb_release.find_first_of('\n', start_index) - start_index;
   std::string version = lsb_release.substr(start_index, length);
   StringTokenizer tokenizer(version, ".");
   for (int i = 0; i < 3 && tokenizer.GetNext(); i++) {
     if (0 == i) {
       *major_version = StringToInt(tokenizer.token());
       *minor_version = *bugfix_version = 0;
     } else if (1 == i) {
       *minor_version = StringToInt(tokenizer.token());
     } else {  // 2 == i
       *bugfix_version = StringToInt(tokenizer.token());
     }
   }
 }
 
 }  // namespace base