Revive experiment to isolate shell operations.

chrome/utility/shell_handler_impl_win.h

Index: chrome/utility/shell_handler_impl_win.h
diff --git a/chrome/utility/shell_handler_impl_win.h b/chrome/utility/shell_handler_impl_win.h
index 224812e5dbddeaecf7cb32c8d021797761313477..51c8338f192e65f63fefb4b22ca317030cc2e507 100644
--- a/chrome/utility/shell_handler_impl_win.h
+++ b/chrome/utility/shell_handler_impl_win.h
@@ -5,6 +5,9 @@
 #ifndef CHROME_UTILITY_SHELL_HANDLER_IMPL_WIN_H_
 #define CHROME_UTILITY_SHELL_HANDLER_IMPL_WIN_H_
 
+#include <tuple>
+#include <vector>
+
 #include "base/macros.h"
 #include "chrome/common/shell_handler_win.mojom.h"
 #include "mojo/public/cpp/bindings/strong_binding.h"
@@ -21,6 +24,24 @@ class ShellHandlerImpl : public mojom::ShellHandler {
   // mojom::ShellHandler:
   void IsPinnedToTaskbar(const IsPinnedToTaskbarCallback& callback) override;
 
+  void DoGetOpenFileName(
+      uint32_t owner,
+      uint32_t flags,
+      const std::vector<std::tuple<base::string16, base::string16>>& filters,
+      const base::FilePath& initial_directory,
+      const base::FilePath& filename,
+      const DoGetOpenFileNameCallback& callback) override;
+
+  void DoGetSaveFileName(
+      uint32_t owner,
+      uint32_t flags,
+      const std::vector<std::tuple<base::string16, base::string16>>& filters,
+      uint32_t one_based_filter_index,
+      const base::FilePath& initial_directory,
+      const base::FilePath& suggested_filename,
+      const base::FilePath& default_extension,
+      const DoGetSaveFileNameCallback& callback) override;
+
   mojo::StrongBinding<ShellHandler> binding_;
 
   DISALLOW_COPY_AND_ASSIGN(ShellHandlerImpl);