Implementation of brand-color

Source/core/dom/Document.cpp

Index: Source/core/dom/Document.cpp
diff --git a/Source/core/dom/Document.cpp b/Source/core/dom/Document.cpp
index 02613ffb62168ff2fce5286458324ac3915ce6b6..c169e82ec0ec916d7805de8899adf21c5c9edaae 100644
--- a/Source/core/dom/Document.cpp
+++ b/Source/core/dom/Document.cpp
@@ -52,6 +52,7 @@
 #include "core/css/StyleSheetContents.h"
 #include "core/css/StyleSheetList.h"
 #include "core/css/invalidation/StyleInvalidator.h"
+#include "core/css/parser/CSSPropertyParser.h"
 #include "core/css/resolver/FontBuilder.h"
 #include "core/css/resolver/StyleResolver.h"
 #include "core/css/resolver/StyleResolverStats.h"
@@ -4735,6 +4736,19 @@ Vector<IconURL> Document::iconURLs(int iconTypesMask)
     return iconURLs;
 }
 
+Color Document::brandColor() const
+{
+    if (!RuntimeEnabledFeatures::brandColorEnabled())
+        return Color();
+
+    for (HTMLMetaElement* metaElement = head() ? Traversal<HTMLMetaElement>::firstChild(*head()) : 0; metaElement; metaElement = Traversal<HTMLMetaElement>::nextSibling(*metaElement)) {
+        RGBA32 rgb;
+        if (equalIgnoringCase(metaElement->name(), "brand-color") && CSSPropertyParser::fastParseColor(rgb, metaElement->content().string().stripWhiteSpace(), true))
+            return Color(rgb);
+    }
+    return Color();
+}
+
 HTMLLinkElement* Document::linkManifest() const
 {
     HTMLHeadElement* head = this->head();