Add Origin::CreateFromNormalizedTuple and call from WebSecurityOrigin

third_party/WebKit/Source/platform/weborigin/KnownPorts.cpp

Index: third_party/WebKit/Source/platform/weborigin/KnownPorts.cpp
diff --git a/third_party/WebKit/Source/platform/weborigin/KnownPorts.cpp b/third_party/WebKit/Source/platform/weborigin/KnownPorts.cpp
index 812fc30e30b514a4a417bfda0d8d7f36cfe80fba..d8850e43a338f7c885f6d5339d96f3290bdc62e7 100644
--- a/third_party/WebKit/Source/platform/weborigin/KnownPorts.cpp
+++ b/third_party/WebKit/Source/platform/weborigin/KnownPorts.cpp
@@ -47,6 +47,8 @@ bool isDefaultPortForProtocol(unsigned short port,
       return protocol == "ftp";
     case 990:
       return protocol == "ftps";
+    case 70:
+      return protocol == "gopher";

[Mike West, 2016/10/11 08:38:33]

This seems unrelated? Moreover, we don't actually support gopher anywhere, so...

[ncarter (slow), 2016/10/11 18:21:52]

Agree, we don't handle gopher, and won't ever. I've added a few tests that
exercise it, because it's a weird case, an unhandled protocol that GURL knows
about, but mostly out of whimsy. If these tests are causing trouble, it's okay
to delete the tests.

   }
   return false;
 }
@@ -60,6 +62,8 @@ unsigned short defaultPortForProtocol(const WTF::String& protocol) {
     return 21;
   if (protocol == "ftps")
     return 990;
+  if (protocol == "gopher")
+    return 70;
 
   return 0;
 }