Plumb document's strict mixed content checking for RemoteFrames

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

Index: third_party/WebKit/Source/core/dom/Document.cpp
diff --git a/third_party/WebKit/Source/core/dom/Document.cpp b/third_party/WebKit/Source/core/dom/Document.cpp
index 1e47f442157510b83b9c9d82cd55cf388366721c..1a5c04ea402a87cad7c82455b83734724933b8f1 100644
--- a/third_party/WebKit/Source/core/dom/Document.cpp
+++ b/third_party/WebKit/Source/core/dom/Document.cpp
@@ -447,6 +447,7 @@ Document::Document(const DocumentInit& initializer, DocumentClassFlags documentC
     , m_styleRecalcElementCounter(0)
     , m_parserSyncPolicy(AllowAsynchronousParsing)
     , m_nodeCount(0)
+    , m_strictMixedContentCheckingEnforced(false)
 {
     if (m_frame) {
         ASSERT(m_frame->page());
@@ -5767,6 +5768,13 @@ WebTaskRunner* Document::timerTaskRunner() const
     return Platform::current()->currentThread()->scheduler()->timerTaskRunner();
 }
 
+void Document::enforceStrictMixedContentChecking()
+{
+    securityContext().setShouldEnforceStrictMixedContentChecking(true);
+    if (frame())
+        frame()->loader().client()->didEnforceStrictMixedContentChecking();
+}
+
 DEFINE_TRACE(Document)
 {
 #if ENABLE(OILPAN)