PlzNavigate: make MHTML iframe load working.

third_party/WebKit/Source/core/loader/FrameFetchContext.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 675 matching lines @@
         GetDocument()->IsSandboxed(kSandboxOrigin)
             ? SecurityOrigin::Create(execution_context_->Url())
             : execution_context_->GetSecurityOrigin());
   }
 }
 
 MHTMLArchive* FrameFetchContext::Archive() const {
   DCHECK(!IsMainFrame());
   // TODO(nasko): How should this work with OOPIF?
   // The MHTMLArchive is parsed as a whole, but can be constructed from frames
-  // in mutliple processes. In that case, which process should parse it and how
+  // in multiple processes. In that case, which process should parse it and how
   // should the output be spread back across multiple processes?
   if (!GetFrame()->Tree().Parent()->IsLocalFrame())
     return nullptr;
   return ToLocalFrame(GetFrame()->Tree().Parent())
       ->Loader()
       .GetDocumentLoader()
       ->Fetcher()
       ->Archive();
 }
 
@@ skipping 68 matching lines @@
 std::unique_ptr<WebURLLoader> FrameFetchContext::CreateURLLoader() {
   return Platform::Current()->CreateURLLoader();
 }
 
 DEFINE_TRACE(FrameFetchContext) {
   visitor->Trace(document_loader_);
   BaseFetchContext::Trace(visitor);
 }
 
 }  // namespace blink