Add new ResourceBundle::Delegate interface.

ui/base/resource/resource_bundle_win.cc

Index: ui/base/resource/resource_bundle_win.cc
===================================================================
--- ui/base/resource/resource_bundle_win.cc	(revision 134688)
+++ ui/base/resource/resource_bundle_win.cc	(working copy)
@@ -45,22 +45,28 @@
 
   switch (ui::GetDisplayLayout()) {
     case ui::LAYOUT_TOUCH:
-      AddDataPack(GetResourcesPakFilePath("theme_resources_metro_1x.pak"),
+      AddDataPack("theme_resources_metro_1x",
+                  GetResourcesPakFilePath("theme_resources_metro_1x.pak"),
                   ResourceHandle::kScaleFactor100x);
-      AddDataPack(GetResourcesPakFilePath("ui_resources_standard.pak"),
+      AddDataPack("ui_resources_standard",
+                  GetResourcesPakFilePath("ui_resources_standard.pak"),
                   ResourceHandle::kScaleFactor100x);
       break;
     default:
       if (use_hidpi) {
-        AddDataPack(GetResourcesPakFilePath("theme_resources_2x.pak"),
-                  ResourceHandle::kScaleFactor200x);
-        AddDataPack(GetResourcesPakFilePath("ui_resources_2x.pak"),
-                  ResourceHandle::kScaleFactor200x);
+        AddDataPack("theme_resources_2x",
+                    GetResourcesPakFilePath("theme_resources_2x.pak"),
+                    ResourceHandle::kScaleFactor200x);
+        AddDataPack("ui_resources_2x",
+                    GetResourcesPakFilePath("ui_resources_2x.pak"),
+                    ResourceHandle::kScaleFactor200x);
       } else {
-        AddDataPack(GetResourcesPakFilePath("theme_resources_standard.pak"),
-                  ResourceHandle::kScaleFactor100x);
-        AddDataPack(GetResourcesPakFilePath("ui_resources_standard.pak"),
-                  ResourceHandle::kScaleFactor100x);
+        AddDataPack("theme_resources_standard",
+                    GetResourcesPakFilePath("theme_resources_standard.pak"),
+                    ResourceHandle::kScaleFactor100x);
+        AddDataPack("ui_resources_standard",
+                    GetResourcesPakFilePath("ui_resources_standard.pak"),
+                    ResourceHandle::kScaleFactor100x);
       }
       break;
   }