CSP Suborigins

Source/core/dom/ExecutionContext.cpp

Index: Source/core/dom/ExecutionContext.cpp
diff --git a/Source/core/dom/ExecutionContext.cpp b/Source/core/dom/ExecutionContext.cpp
index 5abde3878489ee2166a8fe0a3988a17fbe8b2a69..ed79927892bebb3e3743430203b92859f454e8d1 100644
--- a/Source/core/dom/ExecutionContext.cpp
+++ b/Source/core/dom/ExecutionContext.cpp
@@ -37,6 +37,7 @@
 #include "core/page/WindowFocusAllowedIndicator.h"
 #include "core/workers/WorkerGlobalScope.h"
 #include "core/workers/WorkerThread.h"
+#include "platform/RuntimeEnabledFeatures.h"
 #include "wtf/MainThread.h"
 
 namespace blink {
@@ -226,6 +227,20 @@ bool ExecutionContext::isWindowInteractionAllowed() const
     return m_windowInteractionTokens > 0 || WindowFocusAllowedIndicator::windowFocusAllowed();
 }
 
+// |name| should be non-empty, and this should be enforced by parsing.
+void ExecutionContext::enforceSuborigin(const String& name)
+{
+    if (name.isNull())
+        return;
+    ASSERT(!name.isEmpty());
+    ASSERT(RuntimeEnabledFeatures::suboriginsEnabled());
+    SecurityOrigin* origin = securityContext().securityOrigin();
+    ASSERT(origin);
+    ASSERT(!origin->hasSuborigin() || origin->suboriginName() == name);
+    origin->addSuborigin(name);
+    securityContext().didUpdateSecurityOrigin();
+}
+
 DEFINE_TRACE(ExecutionContext)
 {
 #if ENABLE(OILPAN)