Implement MediaMetadata artwork in content

content/renderer/manifest/manifest_parser.cc

Index: content/renderer/manifest/manifest_parser.cc
diff --git a/content/renderer/manifest/manifest_parser.cc b/content/renderer/manifest/manifest_parser.cc
index 1222a556c488067e97dcb90af6d6679f373bbfa8..d8fee9713b46d8c0f2576323db69aaafc6f685d1 100644
--- a/content/renderer/manifest/manifest_parser.cc
+++ b/content/renderer/manifest/manifest_parser.cc
@@ -37,6 +37,8 @@ bool IsValidIconWidthOrHeight(const std::string& str) {
   return true;
 }
 
+}  // anonymous namespace
+
 // Parses the 'sizes' attribute of an icon as described in the HTML spec:
 // https://html.spec.whatwg.org/multipage/semantics.html#attr-link-sizes
 // Return a vector of gfx::Size that contains the valid sizes found. "Any" is
@@ -84,9 +86,6 @@ std::vector<gfx::Size> ParseIconSizesHTML(const base::string16& sizes_str16) {
   return sizes;
 }
 
-}  // anonymous namespace
-
-
 ManifestParser::ManifestParser(const base::StringPiece& data,
                                const GURL& manifest_url,
                                const GURL& document_url)