Revert 289312 "Move StringToUpperASCII and LowerCaseEqualsASCII ..."

trunk/src/chrome/browser/download/download_extensions.cc

 // Copyright (c) 2012 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 <set>
 #include <string>
 
 #include "chrome/browser/download/download_extensions.h"
 
 #include "base/strings/string_util.h"
@@ skipping 204 matching lines @@
   std::string ascii_extension = base::UTF16ToASCII(extension);
 #elif defined(OS_POSIX)
   std::string ascii_extension = extension;
 #endif
 
   // Strip out leading dot if it's still there
   if (ascii_extension[0] == base::FilePath::kExtensionSeparator)
     ascii_extension.erase(0, 1);
 
   for (size_t i = 0; i < arraysize(g_executables); ++i) {
-    if (base::LowerCaseEqualsASCII(ascii_extension,
-                                   g_executables[i].extension))
+    if (LowerCaseEqualsASCII(ascii_extension, g_executables[i].extension))
       return g_executables[i].level;
   }
   return NOT_DANGEROUS;
 }
 
 static const char* kExecutableWhiteList[] = {
   // JavaScript is just as powerful as EXE.
   "text/javascript",
   "text/javascript;version=*",
   "text/html",
@@ skipping 20 matching lines @@
   for (size_t i = 0; i < arraysize(kExecutableBlackList); ++i) {
     if (net::MatchesMimeType(kExecutableBlackList[i], mime_type))
       return false;
   }
   // We consider only other application types to be executable.
   return net::MatchesMimeType("application/*", mime_type);
 }
 
 
 }  // namespace download_util