Make Frame's ScriptController an OwnPtr and remove the #include

Source/core/xml/XMLHttpRequest.cpp

Index: Source/core/xml/XMLHttpRequest.cpp
diff --git a/Source/core/xml/XMLHttpRequest.cpp b/Source/core/xml/XMLHttpRequest.cpp
index fcb37f7b614719836525e953aea371fe7cf7d0b1..7ac3d25f622e78d82bc500de0708943fcbcb96b6 100644
--- a/Source/core/xml/XMLHttpRequest.cpp
+++ b/Source/core/xml/XMLHttpRequest.cpp
@@ -46,6 +46,7 @@
 #include "ResourceError.h"
 #include "ResourceRequest.h"
 #include "ScriptCallStack.h"
+#include "ScriptController.h"
 #include "ScriptProfile.h"
 #include "SecurityOrigin.h"
 #include "Settings.h"
@@ -481,7 +482,8 @@ void XMLHttpRequest::open(const String& method, const KURL& url, bool async, Exc
     bool shouldBypassMainWorldContentSecurityPolicy = false;
     if (scriptExecutionContext()->isDocument()) {
         Document* document = static_cast<Document*>(scriptExecutionContext());
-        shouldBypassMainWorldContentSecurityPolicy = document->frame()->script()->shouldBypassMainWorldContentSecurityPolicy();
+        if (document->frame())
+            shouldBypassMainWorldContentSecurityPolicy = document->frame()->script()->shouldBypassMainWorldContentSecurityPolicy();
     }
     if (!shouldBypassMainWorldContentSecurityPolicy && !scriptExecutionContext()->contentSecurityPolicy()->allowConnectToSource(url)) {
         // FIXME: Should this be throwing an exception?