| Index: third_party/WebKit/Source/core/frame/csp/CSPSource.cpp | 
| diff --git a/third_party/WebKit/Source/core/frame/csp/CSPSource.cpp b/third_party/WebKit/Source/core/frame/csp/CSPSource.cpp | 
| index 34f11635dff20c2d7761f64769517a40a16ae0ba..b4283a13f7a3968de43ad915b335f1d7721270b7 100644 | 
| --- a/third_party/WebKit/Source/core/frame/csp/CSPSource.cpp | 
| +++ b/third_party/WebKit/Source/core/frame/csp/CSPSource.cpp | 
| @@ -91,6 +91,9 @@ bool CSPSource::portMatches(const KURL& url) const | 
| if (port == m_port) | 
| return true; | 
|  | 
| +    if (m_port == 80 && (port == 443 || (port == 0 && defaultPortForProtocol(url.protocol()) == 443))) | 
| +        return true; | 
| + | 
| if (!port) | 
| return isDefaultPortForProtocol(m_port, url.protocol()); | 
|  | 
|  |