Make Document::isSecureContext() work for OOPIFs

third_party/WebKit/Source/web/FrameLoaderClientImpl.cpp

Index: third_party/WebKit/Source/web/FrameLoaderClientImpl.cpp
diff --git a/third_party/WebKit/Source/web/FrameLoaderClientImpl.cpp b/third_party/WebKit/Source/web/FrameLoaderClientImpl.cpp
index 2e93627c842796af150bcea01a2b9934865c22fb..c6948b0d5f280714432d41a2b3e11319d1336ea6 100644
--- a/third_party/WebKit/Source/web/FrameLoaderClientImpl.cpp
+++ b/third_party/WebKit/Source/web/FrameLoaderClientImpl.cpp
@@ -914,6 +914,14 @@ void FrameLoaderClientImpl::didEnforceStrictMixedContentChecking()
     m_webFrame->client()->didEnforceStrictMixedContentChecking();
 }
 
+void FrameLoaderClientImpl::didUpdateToUniqueOrigin()
+{
+    if (!m_webFrame->client())
+        return;
+    ASSERT(m_webFrame->securityOrigin().isUnique());
+    m_webFrame->client()->didUpdateToUniqueOrigin(m_webFrame->securityOrigin().isPotentiallyTrustworthy());
+}
+
 void FrameLoaderClientImpl::didChangeSandboxFlags(Frame* childFrame, SandboxFlags flags)
 {
     if (!m_webFrame->client())