Makes FormatURL not strip http for view-source urls.

net/base/net_util.cc

 // Copyright (c) 2010 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 "net/base/net_util.h"
 
 #include <algorithm>
 #include <map>
 #include <unicode/ucnv.h>
 #include <unicode/uidna.h>
@@ skipping 722 matching lines @@
                                  const std::wstring& languages,
                                  net::FormatUrlTypes format_types,
                                  UnescapeRule::Type unescape_rules,
                                  url_parse::Parsed* new_parsed,
                                  size_t* prefix_end,
                                  size_t* offset_for_adjustment) {
   DCHECK(new_parsed);
   const wchar_t* const kWideViewSource = L"view-source:";
   const size_t kViewSourceLengthPlus1 = 12;
 
+  // 'view-source' requires http, so don't strip it.
+  format_types &= ~net::kFormatUrlOmitHTTP;
   GURL real_url(url.possibly_invalid_spec().substr(kViewSourceLengthPlus1));
   size_t temp_offset = (*offset_for_adjustment == std::wstring::npos) ?
       std::wstring::npos : (*offset_for_adjustment - kViewSourceLengthPlus1);
   size_t* temp_offset_ptr = (*offset_for_adjustment < kViewSourceLengthPlus1) ?
       NULL : &temp_offset;
   std::wstring result = net::FormatUrl(real_url, languages,
       format_types, unescape_rules, new_parsed, prefix_end, temp_offset_ptr);
   result.insert(0, kWideViewSource);
 
   // Adjust position values.
@@ skipping 984 matching lines @@
 
   IPv6SupportResults(IPV6_GLOBAL_ADDRESS_MISSING);
   return false;
 #else
   NOTIMPLEMENTED();
   return true;
 #endif  // defined(various platforms)
 }
 
 }  // namespace net