Always show file extensions in the shelf.

base/file_util.cc

 // Copyright (c) 2006-2008 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/file_util.h"
 
 #include <stdio.h>
 
 #include <fstream>
 
@@ skipping 71 matching lines @@
     std::wstring::size_type last_sep = path->find_last_of(kPathSeparator);
     if (last_sep != std::wstring::npos)
       path->resize(last_sep);
   }
 }
 
 std::wstring GetFilenameFromPath(const std::wstring& path) {
   // TODO(erikkay): fix this - it's not using kPathSeparator, but win unit test
   // are exercising '/' as a path separator as well.
   std::wstring::size_type pos = path.find_last_of(L"\\/");
-  return std::wstring(path, pos == std::wstring::npos ? 0 : pos+1);
+  return std::wstring(path, pos == std::wstring::npos ? 0 : pos + 1);
 }
 
 std::wstring GetFileExtensionFromPath(const std::wstring& path) {
   std::wstring file_name = GetFilenameFromPath(path);
   std::wstring::size_type last_dot = file_name.rfind(L'.');
-  return std::wstring(last_dot == std::wstring::npos? L"" : file_name, last_dot+1);
+  return std::wstring(last_dot == std::wstring::npos ? 
+      L"" : 
+      file_name, last_dot+1);
+}
+
+std::wstring GetFilenameWithoutExtensionFromPath(const std::wstring& path) {
+  std::wstring file_name = GetFilenameFromPath(path);
+  std::wstring::size_type last_dot = file_name.rfind(L'.');
+  return file_name.substr(0, last_dot);
 }
 
 void AppendToPath(std::wstring* path, const std::wstring& new_ending) {
   if (!path) {
     NOTREACHED();
     return;  // Don't crash in this function in release builds.
   }
 
   if (!EndsWithSeparator(path))
     path->push_back(kPathSeparator);
@@ skipping 186 matching lines @@
 }
 
 bool CloseFile(FILE* file) {
   if (file == NULL)
     return true;
   return fclose(file) == 0;
 }
 
 }  // namespace