Implement MediaMetadata artwork in content

content/renderer/manifest/manifest_parser.h

 // 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.
 
 #ifndef CONTENT_RENDERER_MANIFEST_MANIFEST_PARSER_H_
 #define CONTENT_RENDERER_MANIFEST_MANIFEST_PARSER_H_
 
 #include <stdint.h>
 
 #include <memory>
 
 #include "base/macros.h"
 #include "base/strings/nullable_string16.h"
 #include "base/strings/string_piece.h"
 #include "content/common/content_export.h"
 #include "content/public/common/manifest.h"
 #include "content/renderer/manifest/manifest_debug_info.h"
 
 class GURL;
 
 namespace base {
 class DictionaryValue;
 }
 
 namespace content {
 
+std::vector<gfx::Size> ParseIconSizesHTML(const base::string16& sizes_str16);

[mlamouri (slow - plz ping), 2016/06/10 10:54:58]

Not a big fan of re-using the parsing algorithm of the Manifest but let see how
the other CL goes. Worse case, we can land with a TODO and switch to the Blink
API when available.

[Zhiqiang Zhang (Slow), 2016/06/14 13:16:17]

Rebased onto the common parser in Blink.

+
 // ManifestParser handles the logic of parsing the Web Manifest from a string.
 // It implements:
 // http://w3c.github.io/manifest/#dfn-steps-for-processing-a-manifest
 class CONTENT_EXPORT ManifestParser {
  public:
   ManifestParser(const base::StringPiece& data,
                  const GURL& manifest_url,
                  const GURL& document_url);
   ~ManifestParser();
 
@@ skipping 156 matching lines @@
   bool failed_;
   Manifest manifest_;
   std::vector<ManifestDebugInfo::Error> errors_;
 
   DISALLOW_COPY_AND_ASSIGN(ManifestParser);
 };
 
 } // namespace content
 
 #endif  // CONTENT_RENDERER_MANIFEST_MANIFEST_PARSER_H_