Start consolidating cross-port file selection code into ui/base/dialogs.

chrome/browser/bookmarks/bookmark_extension_api.cc

Index: chrome/browser/bookmarks/bookmark_extension_api.cc
diff --git a/chrome/browser/bookmarks/bookmark_extension_api.cc b/chrome/browser/bookmarks/bookmark_extension_api.cc
index 25439774ce281f0c835ef0a3c3bf4231f4b8d326..410267ed9ba57fa0c73b566c654fd5216c12cf80 100644
--- a/chrome/browser/bookmarks/bookmark_extension_api.cc
+++ b/chrome/browser/bookmarks/bookmark_extension_api.cc
@@ -31,6 +31,7 @@
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser_list.h"
+#include "chrome/browser/ui/chrome_select_file_policy.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/pref_names.h"
@@ -875,14 +876,16 @@ void BookmarksIOFunction::ShowSelectFileDialog(SelectFileDialog::Type type,
   // Balanced in one of the three callbacks of SelectFileDialog:
   // either FileSelectionCanceled, MultiFilesSelected, or FileSelected
   AddRef();
-  select_file_dialog_ = SelectFileDialog::Create(this);
-  SelectFileDialog::FileTypeInfo file_type_info;
-  file_type_info.extensions.resize(1);
-  file_type_info.extensions[0].push_back(FILE_PATH_LITERAL("html"));
 
   WebContents* web_contents = dispatcher()->delegate()->
       GetAssociatedWebContents();
 
+  select_file_dialog_ = SelectFileDialog::Create(
+      this, new ChromeSelectFilePolicy(web_contents));
+  SelectFileDialog::FileTypeInfo file_type_info;
+  file_type_info.extensions.resize(1);
+  file_type_info.extensions[0].push_back(FILE_PATH_LITERAL("html"));
+
   // |tab_contents| can be NULL (for background pages), which is fine. In such
   // a case if file-selection dialogs are forbidden by policy, we will not
   // show an InfoBar, which is better than letting one appear out of the blue.
@@ -892,7 +895,6 @@ void BookmarksIOFunction::ShowSelectFileDialog(SelectFileDialog::Type type,
                                   &file_type_info,
                                   0,
                                   FILE_PATH_LITERAL(""),
-                                  web_contents,
                                   NULL,
                                   NULL);
 }