Support relative file paths in FilePathToFileURL().

net/base/net_util.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 "net/base/net_util.h"
 
 #include <algorithm>
 #include <iterator>
 #include <map>
 
@@ skipping 980 matching lines @@
 
 size_t GetCountOfExplicitlyAllowedPorts() {
   return g_explicitly_allowed_ports.Get().size();
 }
 
 GURL FilePathToFileURL(const base::FilePath& path) {
   // Produce a URL like "file:///C:/foo" for a regular file, or
   // "file://///server/path" for UNC. The URL canonicalizer will fix up the
   // latter case to be the canonical UNC form: "file://server/path"
   base::FilePath::StringType url_string(kFileURLPrefix);
+  if (!path.IsAbsolute()) {
+    base::FilePath current_dir;
+    PathService::Get(base::DIR_CURRENT, &current_dir);
+    url_string.append(current_dir.value());
+    url_string.push_back(base::FilePath::kSeparators[0]);
+  }
   url_string.append(path.value());
 
   // Now do replacement of some characters. Since we assume the input is a
   // literal filename, anything the URL parser might consider special should
   // be escaped here.
 
   // must be the first substitution since others will introduce percents as the
   // escape character
   ReplaceSubstringsAfterOffset(&url_string, 0,
       FILE_PATH_LITERAL("%"), FILE_PATH_LITERAL("%25"));
@@ skipping 1204 matching lines @@
   }
   return a1.size() * CHAR_BIT;
 }
 
 unsigned MaskPrefixLength(const IPAddressNumber& mask) {
   IPAddressNumber all_ones(mask.size(), 0xFF);
   return CommonPrefixLength(mask, all_ones);
 }
 
 }  // namespace net