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

ui/base/win/shell.cc

Index: ui/base/win/shell.cc
diff --git a/ui/base/win/shell.cc b/ui/base/win/shell.cc
index c82daf0474d4a5612ed1ee0f7e0d2cf06ecd5780..7409fad26223d263bca0d60c59a983f2150f5c73 100644
--- a/ui/base/win/shell.cc
+++ b/ui/base/win/shell.cc
@@ -86,12 +86,12 @@ bool OpenAnyViaShell(const string16& full_path,
   return false;
 }
 
-bool OpenItemViaShell(const FilePath& full_path) {
+bool OpenItemViaShell(const base::FilePath& full_path) {
   return OpenAnyViaShell(full_path.value(), full_path.DirName().value(),
                          string16(), 0);
 }
 
-bool OpenItemViaShellNoZoneCheck(const FilePath& full_path) {
+bool OpenItemViaShellNoZoneCheck(const base::FilePath& full_path) {
   return OpenAnyViaShell(full_path.value(), string16(), string16(),
                          SEE_MASK_NOZONECHECKS | SEE_MASK_FLAG_DDEWAIT);
 }