Add FilePath to base namespace.

chrome/browser/bookmarks/bookmark_pasteboard_helper_mac.h

Index: chrome/browser/bookmarks/bookmark_pasteboard_helper_mac.h
diff --git a/chrome/browser/bookmarks/bookmark_pasteboard_helper_mac.h b/chrome/browser/bookmarks/bookmark_pasteboard_helper_mac.h
index ed15a166ba8cb4c14d6f4a8fdc2dba274856e1b3..c0dd000a1d08ce790fd3594759be91cc9944abec 100644
--- a/chrome/browser/bookmarks/bookmark_pasteboard_helper_mac.h
+++ b/chrome/browser/bookmarks/bookmark_pasteboard_helper_mac.h
@@ -11,7 +11,9 @@
 @class NSString;
 #endif  // __OBJC__
 
+namespace base {
 class FilePath;
+}
 
 // This set of functions lets C++ code interact with the cocoa pasteboard
 // and dragging methods.
@@ -25,12 +27,12 @@ enum PasteboardType {
 // Writes a set of bookmark elements from a profile to the specified pasteboard.
 void WriteToPasteboard(PasteboardType type,
                        const std::vector<BookmarkNodeData::Element>& elements,
-                       const FilePath& profile_path);
+                       const base::FilePath& profile_path);
 
 // Reads a set of bookmark elements from the specified pasteboard.
 bool ReadFromPasteboard(PasteboardType type,
                         std::vector<BookmarkNodeData::Element>& elements,
-                        FilePath* profile_path);
+                        base::FilePath* profile_path);
 
 // Returns true if the specified pasteboard contains any sort of
 // bookmark elements.  It currently does not consider a plaintext url a