Plumb document's strict mixed content checking for RemoteFrames

third_party/WebKit/Source/web/WebFrame.cpp

Index: third_party/WebKit/Source/web/WebFrame.cpp
diff --git a/third_party/WebKit/Source/web/WebFrame.cpp b/third_party/WebKit/Source/web/WebFrame.cpp
index 727010d18b3a7143afc5f1ebecb3bbba84d773c1..09c829f19d0237ccb370acd90836a0637b91df0d 100644
--- a/third_party/WebKit/Source/web/WebFrame.cpp
+++ b/third_party/WebKit/Source/web/WebFrame.cpp
@@ -132,6 +132,11 @@ void WebFrame::setFrameOwnerSandboxFlags(WebSandboxFlags flags)
     toRemoteBridgeFrameOwner(owner)->setSandboxFlags(static_cast<SandboxFlags>(flags));
 }
 
+bool WebFrame::shouldEnforceStrictMixedContentChecking() const
+{
+    return toImplBase()->frame()->securityContext()->shouldEnforceStrictMixedContentChecking();
+}
+
 WebFrame* WebFrame::opener() const
 {
     return m_opener;