WIP: Reland CompiledScript, prototype compiling in a separate task.

third_party/WebKit/Source/platform/loader/fetch/Resource.cpp

Index: third_party/WebKit/Source/platform/loader/fetch/Resource.cpp
diff --git a/third_party/WebKit/Source/platform/loader/fetch/Resource.cpp b/third_party/WebKit/Source/platform/loader/fetch/Resource.cpp
index 42e0614240f531cd67ded075f02ee8e0e87308fe..42116835610da9d48f4c2d8068954409932b0254 100644
--- a/third_party/WebKit/Source/platform/loader/fetch/Resource.cpp
+++ b/third_party/WebKit/Source/platform/loader/fetch/Resource.cpp
@@ -436,7 +436,8 @@ AtomicString Resource::httpContentType() const {
   return response().httpContentType();
 }
 
-bool Resource::passesAccessControlCheck(SecurityOrigin* securityOrigin) const {
+bool Resource::passesAccessControlCheck(
+    const SecurityOrigin* securityOrigin) const {
   StoredCredentials storedCredentials =
       lastResourceRequest().allowStoredCredentials()
           ? AllowStoredCredentials