diff -r 000000000000 -r 6474c204b198 ipc/chromium/src/base/base_paths_win.cc
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ipc/chromium/src/base/base_paths_win.cc	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,118 @@
+// 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_win.h"
+
+#include <windows.h>
+#include <shlobj.h>
+
+#include "base/file_path.h"
+#include "base/file_util.h"
+#include "base/path_service.h"
+#include "base/win_util.h"
+
+// http://blogs.msdn.com/oldnewthing/archive/2004/10/25/247180.aspx
+extern "C" IMAGE_DOS_HEADER __ImageBase;
+
+namespace base {
+
+bool PathProviderWin(int key, FilePath* result) {
+
+  // We need to go compute the value. It would be nice to support paths with
+  // names longer than MAX_PATH, but the system functions don't seem to be
+  // designed for it either, with the exception of GetTempPath (but other
+  // things will surely break if the temp path is too long, so we don't bother
+  // handling it.
+  wchar_t system_buffer[MAX_PATH];
+  system_buffer[0] = 0;
+
+  FilePath cur;
+  std::wstring wstring_path;
+  switch (key) {
+    case base::FILE_EXE:
+      GetModuleFileName(NULL, system_buffer, MAX_PATH);
+      cur = FilePath(system_buffer);
+      break;
+    case base::FILE_MODULE: {
+      // the resource containing module is assumed to be the one that
+      // this code lives in, whether that's a dll or exe
+      HMODULE this_module = reinterpret_cast<HMODULE>(&__ImageBase);
+      GetModuleFileName(this_module, system_buffer, MAX_PATH);
+      cur = FilePath(system_buffer);
+      break;
+    }
+    case base::DIR_WINDOWS:
+      GetWindowsDirectory(system_buffer, MAX_PATH);
+      cur = FilePath(system_buffer);
+      break;
+    case base::DIR_SYSTEM:
+      GetSystemDirectory(system_buffer, MAX_PATH);
+      cur = FilePath(system_buffer);
+      break;
+    case base::DIR_PROGRAM_FILES:
+      if (FAILED(SHGetFolderPath(NULL, CSIDL_PROGRAM_FILES, NULL,
+                                 SHGFP_TYPE_CURRENT, system_buffer)))
+        return false;
+      cur = FilePath(system_buffer);
+      break;
+    case base::DIR_IE_INTERNET_CACHE:
+      if (FAILED(SHGetFolderPath(NULL, CSIDL_INTERNET_CACHE, NULL,
+                                 SHGFP_TYPE_CURRENT, system_buffer)))
+        return false;
+      cur = FilePath(system_buffer);
+      break;
+    case base::DIR_COMMON_START_MENU:
+      if (FAILED(SHGetFolderPath(NULL, CSIDL_COMMON_PROGRAMS, NULL,
+                                 SHGFP_TYPE_CURRENT, system_buffer)))
+        return false;
+      cur = FilePath(system_buffer);
+      break;
+    case base::DIR_START_MENU:
+      if (FAILED(SHGetFolderPath(NULL, CSIDL_PROGRAMS, NULL,
+                                 SHGFP_TYPE_CURRENT, system_buffer)))
+        return false;
+      cur = FilePath(system_buffer);
+      break;
+    case base::DIR_APP_DATA:
+      if (FAILED(SHGetFolderPath(NULL, CSIDL_APPDATA, NULL, SHGFP_TYPE_CURRENT,
+                                 system_buffer)))
+        return false;
+      cur = FilePath(system_buffer);
+      break;
+    case base::DIR_LOCAL_APP_DATA_LOW:
+      if (win_util::GetWinVersion() < win_util::WINVERSION_VISTA) {
+        return false;
+      }
+      // TODO(nsylvain): We should use SHGetKnownFolderPath instead. Bug 1281128
+      if (FAILED(SHGetFolderPath(NULL, CSIDL_APPDATA, NULL, SHGFP_TYPE_CURRENT,
+                                 system_buffer)))
+        return false;
+      wstring_path = system_buffer;
+      file_util::UpOneDirectory(&wstring_path);
+      file_util::AppendToPath(&wstring_path, L"LocalLow");
+      cur = FilePath(wstring_path);
+      break;
+    case base::DIR_LOCAL_APP_DATA:
+      if (FAILED(SHGetFolderPath(NULL, CSIDL_LOCAL_APPDATA, NULL,
+                                 SHGFP_TYPE_CURRENT, system_buffer)))
+        return false;
+      cur = FilePath(system_buffer);
+      break;
+    case base::DIR_SOURCE_ROOT:
+      // On Windows, unit tests execute two levels deep from the source root.
+      // For example:  chrome/{Debug|Release}/ui_tests.exe
+      PathService::Get(base::DIR_EXE, &wstring_path);
+      file_util::UpOneDirectory(&wstring_path);
+      file_util::UpOneDirectory(&wstring_path);
+      cur = FilePath(wstring_path);
+      break;
+    default:
+      return false;
+  }
+
+  *result = cur;
+  return true;
+}
+
+}  // namespace base