Add FilePath to base namespace.

webkit/support/weburl_loader_mock_factory.h

Index: webkit/support/weburl_loader_mock_factory.h
diff --git a/webkit/support/weburl_loader_mock_factory.h b/webkit/support/weburl_loader_mock_factory.h
index 310dbbc378234ada70a698008b25f3a4c8e5a06d..85fe0cc02034392949851aa6890002760a75af8a 100644
--- a/webkit/support/weburl_loader_mock_factory.h
+++ b/webkit/support/weburl_loader_mock_factory.h
@@ -89,7 +89,7 @@ class WebURLLoaderMockFactory {
 
   // Reads |m_filePath| and puts its content in |data|.
   // Returns true if it successfully read the file.
-  static bool ReadFile(const FilePath& file_path, WebKit::WebData* data);
+  static bool ReadFile(const base::FilePath& file_path, WebKit::WebData* data);
 
   // The loaders that have not being served data yet.
   typedef std::map<WebURLLoaderMock*, WebKit::WebURLRequest> LoaderToRequestMap;