Standardize StringToInt{,64} interface.

base/sys_info_chromeos.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 "base/sys_info.h"
 
 #include "base/basictypes.h"
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/lazy_instance.h"
 #include "base/string_number_conversions.h"
+#include "base/string_piece.h"
 #include "base/string_tokenizer.h"
 #include "base/threading/thread_restrictions.h"
 
 #include <execinfo.h>
 
 namespace base {
 
 static const char* kLinuxStandardBaseVersionKeys[] = {
   "CHROMEOS_RELEASE_VERSION",
   "GOOGLE_RELEASE",
@@ skipping 67 matching lines @@
     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) {
-      StringToInt(tokenizer.token_begin(),
-                  tokenizer.token_end(),
+      StringToInt(StringPiece(tokenizer.token_begin(),
+                              tokenizer.token_end()),
                   major_version);
       *minor_version = *bugfix_version = 0;
     } else if (1 == i) {
-      StringToInt(tokenizer.token_begin(),
-                  tokenizer.token_end(),
+      StringToInt(StringPiece(tokenizer.token_begin(),
+                              tokenizer.token_end()),
                   minor_version);
     } else {  // 2 == i
-      StringToInt(tokenizer.token_begin(),
-                  tokenizer.token_end(),
+      StringToInt(StringPiece(tokenizer.token_begin(),
+                              tokenizer.token_end()),
                   bugfix_version);
     }
   }
 }
 
 }  // namespace base