HTML Media Capture: update capture attribute to use string.

third_party/WebKit/Source/platform/FileChooser.h

 /*
  * Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 48 matching lines @@
   const FileMetadata metadata;
 };
 
 struct FileChooserSettings {
   DISALLOW_NEW();
   bool allows_multiple_files;
   bool allows_directory_upload;
   Vector<String> accept_mime_types;
   Vector<String> accept_file_extensions;
   Vector<String> selected_files;
-  bool use_media_capture;
+  String capture;
 
   // Returns a combined vector of acceptMIMETypes and acceptFileExtensions.
   Vector<String> PLATFORM_EXPORT AcceptTypes() const;
 };
 
 class PLATFORM_EXPORT FileChooserClient {
  public:
   virtual void FilesChosen(const Vector<FileChooserFileInfo>&) = 0;
   virtual ~FileChooserClient();
 
@@ skipping 23 matching lines @@
  private:
   FileChooser(FileChooserClient*, const FileChooserSettings&);
 
   FileChooserClient* client_;
   FileChooserSettings settings_;
 };
 
 }  // namespace blink
 
 #endif  // FileChooser_h