Add support for file inputs for all guest views

chrome/browser/guest_view/extension_options/extension_options_guest.cc

Index: chrome/browser/guest_view/extension_options/extension_options_guest.cc
diff --git a/chrome/browser/guest_view/extension_options/extension_options_guest.cc b/chrome/browser/guest_view/extension_options/extension_options_guest.cc
index 9fc3c5d4c03f1cd882ed5bd3ef7ed1c9ebc938c6..7171efa54d7360e6cda238c5ba4e7cb2aa65e463 100644
--- a/chrome/browser/guest_view/extension_options/extension_options_guest.cc
+++ b/chrome/browser/guest_view/extension_options/extension_options_guest.cc
@@ -173,6 +173,14 @@ bool ExtensionOptionsGuest::HandleContextMenu(
   return true;
 }
 
+void ExtensionOptionsGuest::RunFileChooser(

[Fady Samuel, 2014/09/02 21:34:18]

Could we please move this to GuestViewBase instead of copying and pasting code
into more than one derived GuestView type? Thanks!

[ericzeng, 2014/09/02 23:07:30]

Done.

+    WebContents* web_contents,
+    const content::FileChooserParams& params) {
+  if (!embedder_web_contents() || !embedder_web_contents()->GetDelegate())
+    return;
+  embedder_web_contents()->GetDelegate()->RunFileChooser(web_contents, params);
+}
+
 bool ExtensionOptionsGuest::ShouldCreateWebContents(
     content::WebContents* web_contents,
     int route_id,