Input file type now supported in extension popups.

chrome/browser/extensions/extension_host.cc

Index: chrome/browser/extensions/extension_host.cc
diff --git a/chrome/browser/extensions/extension_host.cc b/chrome/browser/extensions/extension_host.cc
index ba74da88894f170b51eaab29c52ea262cf314b45..13619ff14336db8559f7194e7a18eb429b852649 100644
--- a/chrome/browser/extensions/extension_host.cc
+++ b/chrome/browser/extensions/extension_host.cc
@@ -22,6 +22,7 @@
 #include "chrome/browser/extensions/extension_message_service.h"
 #include "chrome/browser/extensions/extension_tabs_module.h"
 #include "chrome/browser/extensions/extensions_service.h"
+#include "chrome/browser/file_select_helper.h"
 #include "chrome/browser/in_process_webkit/dom_storage_context.h"
 #include "chrome/browser/in_process_webkit/webkit_context.h"
 #include "chrome/browser/message_box_handler.h"
@@ -677,6 +678,12 @@ void ExtensionHost::RenderViewCreated(RenderViewHost* render_view_host) {
   }
 }
 
+RenderViewHostDelegate::FileSelect* ExtensionHost::GetFileSelectDelegate() {
+  if (file_select_helper_.get() == NULL)
+    file_select_helper_.reset(new FileSelectHelper(profile()));
+  return file_select_helper_.get();
+}
+
 int ExtensionHost::GetBrowserWindowID() const {
   // Hosts not attached to any browser window have an id of -1.  This includes
   // those mentioned below, and background pages.