resources: Prevent including the same resource in multiple pack files.

ui/base/ui_base_paths.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 "ui/base/ui_base_paths.h"
 
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
 #include "base/logging.h"
@@ skipping 42 matching lines @@
         return false;
       break;
 #if defined(OS_ANDROID)
     case DIR_RESOURCE_PAKS_ANDROID:
       if (!PathService::Get(base::DIR_ANDROID_APP_DATA, &cur))
         return false;
       cur = cur.Append(FILE_PATH_LITERAL("paks"));
       break;
 #endif
     case UI_TEST_PAK:
+#if defined(OS_ANDROID)
+      if (!PathService::Get(ui::DIR_RESOURCE_PAKS_ANDROID, &cur))
+        return false;
+#else
       if (!PathService::Get(base::DIR_MODULE, &cur))
         return false;
+#endif
       cur = cur.AppendASCII("ui_test.pak");
       break;
     default:
       return false;
   }
 
   if (create_dir && !base::PathExists(cur) &&
       !base::CreateDirectory(cur))
     return false;
 
   *result = cur;
   return true;
 }
 
 // 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 ui