diff -r 000000000000 -r 6474c204b198 ipc/chromium/src/base/base_paths_linux.cc
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ipc/chromium/src/base/base_paths_linux.cc	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,46 @@
+// 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/base_paths_linux.h"
+
+#include <unistd.h>
+
+#include "base/file_path.h"
+#include "base/file_util.h"
+#include "base/logging.h"
+#include "base/path_service.h"
+#include "base/string_piece.h"
+#include "base/sys_string_conversions.h"
+
+namespace base {
+
+bool PathProviderLinux(int key, FilePath* result) {
+  FilePath path;
+  switch (key) {
+    case base::FILE_EXE:
+    case base::FILE_MODULE: { // TODO(evanm): is this correct?
+      char bin_dir[PATH_MAX + 1];
+      int bin_dir_size = readlink("/proc/self/exe", bin_dir, PATH_MAX);
+      if (bin_dir_size < 0 || bin_dir_size > PATH_MAX) {
+        NOTREACHED() << "Unable to resolve /proc/self/exe.";
+        return false;
+      }
+      bin_dir[bin_dir_size] = 0;
+      *result = FilePath(bin_dir);
+      return true;
+    }
+    case base::DIR_SOURCE_ROOT:
+      // On linux, unit tests execute two levels deep from the source root.
+      // For example:  sconsbuild/{Debug|Release}/net_unittest
+      if (!PathService::Get(base::DIR_EXE, &path))
+        return false;
+      path = path.Append(FilePath::kParentDirectory)
+                 .Append(FilePath::kParentDirectory);
+      *result = path;
+      return true;
+  }
+  return false;
+}
+
+}  // namespace base