Implement the logic to find the correct <link> for Manifest in Document.

Source/core/testing/Internals.cpp

Index: Source/core/testing/Internals.cpp
diff --git a/Source/core/testing/Internals.cpp b/Source/core/testing/Internals.cpp
index 6e2018a33bcb6c76b552a2ab1fc4179b88f4c116..b995295dc205c5aec1cc3bd146d9155c7c617b2a 100644
--- a/Source/core/testing/Internals.cpp
+++ b/Source/core/testing/Internals.cpp
@@ -2358,4 +2358,14 @@ String Internals::textSurroundingNode(Node* node, int x, int y, unsigned long ma
     return surroundingText.content();
 }
 
+HTMLLinkElement* Internals::linkManifest(Document* document, ExceptionState& exceptionState)
+{
+    if (!document) {
+        exceptionState.throwDOMException(InvalidAccessError, "No context document is available.");
+        return 0;
+    }
+
+    return document->linkManifest();
+}

[abarth-chromium, 2014/05/09 03:06:00]

I'd skip adding this function.  We'll probably want to test this feature with a
WebViewTest rather than LayoutTests that poke internals.

+
 }