Replace FilePath with base::FilePath in some more top level directories.

ui/base/ui_base_paths.cc

Index: ui/base/ui_base_paths.cc
diff --git a/ui/base/ui_base_paths.cc b/ui/base/ui_base_paths.cc
index 229e7178f95e0c96a68eb533b3cfe548a136a3df..6384c97e7f575b3783f413a4616b6a271cb4e32f 100644
--- a/ui/base/ui_base_paths.cc
+++ b/ui/base/ui_base_paths.cc
@@ -16,12 +16,12 @@
 
 namespace ui {
 
-bool PathProvider(int key, FilePath* result) {
+bool PathProvider(int key, base::FilePath* result) {
   // Assume that we will not need to create the directory if it does not exist.
   // This flag can be set to true for the cases where we want to create it.
   bool create_dir = false;
 
-  FilePath cur;
+  base::FilePath cur;
   switch (key) {
     case ui::DIR_LOCALES:
       if (!PathService::Get(base::DIR_MODULE, &cur))