HTML Media Capture: update capture attribute to use string.

third_party/WebKit/Source/web/ChromeClientImpl.cpp

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 708 matching lines @@
   NotifyPopupOpeningObservers();
   WebFrameClient* client = WebLocalFrameImpl::FromFrame(frame)->Client();
   if (!client)
     return;
 
   WebFileChooserParams params;
   params.multi_select = file_chooser->GetSettings().allows_multiple_files;
   params.directory = file_chooser->GetSettings().allows_directory_upload;
   params.accept_types = file_chooser->GetSettings().AcceptTypes();
   params.selected_files = file_chooser->GetSettings().selected_files;
-  params.use_media_capture = file_chooser->GetSettings().use_media_capture;
+  if (RuntimeEnabledFeatures::mediaCaptureEnabled())
+    params.capture = file_chooser->GetSettings().capture;
+  else
+    params.capture = WebString();
   params.need_local_path = file_chooser->GetSettings().allows_directory_upload;
   params.requestor = frame->GetDocument()->Url();
 
   WebFileChooserCompletionImpl* chooser_completion =
       new WebFileChooserCompletionImpl(std::move(file_chooser));
   if (client->RunFileChooser(params, chooser_completion))
     return;
   // Choosing failed, so do callback with an empty list.
   chooser_completion->DidChooseFile(WebVector<WebString>());
 }
@@ skipping 495 matching lines @@
   if (RuntimeEnabledFeatures::presentationEnabled())
     PresentationController::ProvideTo(frame, client->PresentationClient());
   if (RuntimeEnabledFeatures::audioOutputDevicesEnabled()) {
     ProvideAudioOutputDeviceClientTo(frame,
                                      new AudioOutputDeviceClientImpl(frame));
   }
   InstalledAppController::ProvideTo(frame, client->GetRelatedAppsFetcher());
 }
 
 }  // namespace blink