Store the list of trial tokens in OriginTrialContext

third_party/WebKit/Source/core/origin_trials/DocumentOriginTrialContext.cpp

Index: third_party/WebKit/Source/core/origin_trials/DocumentOriginTrialContext.cpp
diff --git a/third_party/WebKit/Source/core/origin_trials/DocumentOriginTrialContext.cpp b/third_party/WebKit/Source/core/origin_trials/DocumentOriginTrialContext.cpp
deleted file mode 100644
index f43bceb75ad03fd93113aff79c62606a26fa884c..0000000000000000000000000000000000000000
--- a/third_party/WebKit/Source/core/origin_trials/DocumentOriginTrialContext.cpp
+++ /dev/null
@@ -1,41 +0,0 @@
-// Copyright 2015 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.
-
-#include "core/origin_trials/DocumentOriginTrialContext.h"
-
-#include "core/dom/ElementTraversal.h"
-#include "core/html/HTMLHeadElement.h"
-#include "core/html/HTMLMetaElement.h"
-
-namespace blink {
-
-class Document;
-
-DocumentOriginTrialContext::DocumentOriginTrialContext(Document* document)
-    : m_parent(document)
-{
-}
-
-Vector<String> DocumentOriginTrialContext::getTokens()
-{
-    // When in a document, the tokens are provided in a meta tag
-    Vector<String> tokens;
-    HTMLHeadElement* head = m_parent->head();
-    if (head) {
-        for (HTMLMetaElement& metaElement : Traversal<HTMLMetaElement>::childrenOf(*head)) {
-            if (equalIgnoringCase(metaElement.httpEquiv(), kTrialHeaderName)) {
-                tokens.append(metaElement.content());
-            }
-        }
-    }
-    return tokens;
-}
-
-DEFINE_TRACE(DocumentOriginTrialContext)
-{
-    visitor->trace(m_parent);
-    OriginTrialContext::trace(visitor);
-}
-
-} // namespace blink