Add support for file inputs for all guest views

extensions/browser/guest_view/guest_view_base.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "extensions/browser/guest_view/guest_view_base.h"
 
 #include "base/lazy_instance.h"
 #include "base/strings/utf_string_conversions.h"
 #include "content/public/browser/render_frame_host.h"
 #include "content/public/browser/render_process_host.h"
@@ skipping 365 matching lines @@
   } else {
     rvh->DisableAutoResize(element_size_);
   }
 }
 
 void GuestViewBase::WebContentsDestroyed() {
   GuestDestroyed();
   delete this;
 }
 
+void GuestViewBase::RunFileChooser(WebContents* web_contents,
+                                   const content::FileChooserParams& params) {
+  if (!attached() || !embedder_web_contents()->GetDelegate())
+    return;
+
+  embedder_web_contents()->GetDelegate()->RunFileChooser(web_contents, params);
+}
+
 bool GuestViewBase::ShouldFocusPageAfterCrash() {
   // Focus is managed elsewhere.
   return false;
 }
 
 bool GuestViewBase::PreHandleGestureEvent(content::WebContents* source,
                                          const blink::WebGestureEvent& event) {
   return event.type == blink::WebGestureEvent::GesturePinchBegin ||
       event.type == blink::WebGestureEvent::GesturePinchUpdate ||
       event.type == blink::WebGestureEvent::GesturePinchEnd;
@@ skipping 53 matching lines @@
 }
 
 // static
 void GuestViewBase::RegisterGuestViewTypes() {
   AppViewGuest::Register();
   WebViewGuest::Register();
   ExtensionsAPIClient::Get()->RegisterGuestViewTypes();
 }
 
 }  // namespace extensions