base/prefs: Break the dependency in chrome_paths.h

base/prefs/pref_paths.cc

-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Copyright 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 "ui/gfx/gfx_paths.h"
+#include "base/prefs/pref_paths.h"
 
-#include "base/command_line.h"
-#include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/path_service.h"
 
-namespace gfx {
+namespace base {
+namespace prefs {
 
 bool PathProvider(int key, FilePath* result) {
-  FilePath cur;
   switch (key) {
-    // The following are only valid in the development environment, and
-    // will fail if executed from an installed executable (because the
-    // generated path won't exist).
-    case DIR_TEST_DATA:
+    case DIR_TEST_DATA: {
+      FilePath cur;
       if (!PathService::Get(base::DIR_SOURCE_ROOT, &cur))
         return false;
-      cur = cur.Append(FILE_PATH_LITERAL("ui"));
-      cur = cur.Append(FILE_PATH_LITERAL("gfx"));
+      cur = cur.Append(FILE_PATH_LITERAL("base"));
+      cur = cur.Append(FILE_PATH_LITERAL("prefs"));
       cur = cur.Append(FILE_PATH_LITERAL("test"));
       cur = cur.Append(FILE_PATH_LITERAL("data"));
-      if (!file_util::PathExists(cur))  // we don't want to create this
+      if (!file_util::PathExists(cur))  // We don't want to create this.
         return false;
+
+      *result = cur;
+      return true;
       break;
+    }
     default:
       return false;
   }
 
-  *result = cur;
-  return true;
+  return false;
 }
 
 // This cannot be done as a static initializer sadly since Visual Studio will
 // eliminate this object file if there is no direct entry point into it.
 void RegisterPathProvider() {
   PathService::RegisterProvider(PathProvider, PATH_START, PATH_END);
 }
 
-}  // namespace gfx
+}  // namespace prefs
+}  // namespace base