Upgrade Insecure Requests: bugfixes, tests, and support for OOPIF.

third_party/WebKit/Source/core/dom/SecurityContext.cpp

Index: third_party/WebKit/Source/core/dom/SecurityContext.cpp
diff --git a/third_party/WebKit/Source/core/dom/SecurityContext.cpp b/third_party/WebKit/Source/core/dom/SecurityContext.cpp
index dfce6551911360c73671df76b692b549be74aa97..ca411cf754f21d25f6690a017f3738203d5c3cec 100644
--- a/third_party/WebKit/Source/core/dom/SecurityContext.cpp
+++ b/third_party/WebKit/Source/core/dom/SecurityContext.cpp
@@ -32,6 +32,19 @@
 
 namespace blink {
 
+// static
+std::vector<unsigned> SecurityContext::serializeInsecureNavigationSet(
+    const InsecureNavigationsSet& set) {
+  // The set is serialized as a sorted vector.
+  std::vector<unsigned> serialized;
+  serialized.reserve(set.size());
+  for (unsigned host : set)
+    serialized.push_back(host);
+  std::sort(serialized.begin(), serialized.end());
+
+  return serialized;
+}
+
 SecurityContext::SecurityContext()
     : m_sandboxFlags(SandboxNone),
       m_addressSpace(WebAddressSpacePublic),