Handle CreateFile() trimming trailing dots and spaces in downloads.

BUG=37007
TEST=unit_tests --gtest_filter=DownloadManagerTest.*

Review URL: http://codereview.chromium.org/660297

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@40479 0039d316-1c4b-4281-b951-d872f2087c98
std::wstring GetSpecificHeader(const std::wstring& headers,
                               const std::wstring& name) {
  return GetSpecificHeaderT(headers, name);
}

std::wstring GetSpecificHeader(const std::wstring& headers,
                               const std::wstring& name) {
  return GetSpecificHeaderT(headers, name);
}
