PlzNavigate: make MHTML iframe working (followup)

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

Index: third_party/WebKit/Source/platform/loader/fetch/ResourceFetcher.cpp
diff --git a/third_party/WebKit/Source/platform/loader/fetch/ResourceFetcher.cpp b/third_party/WebKit/Source/platform/loader/fetch/ResourceFetcher.cpp
index 5b3016ed4dee6f4f740229658cc5aeba0768713c..e1403a6f7c9a8b0e26e09a0bd2b152fe496bb272 100644
--- a/third_party/WebKit/Source/platform/loader/fetch/ResourceFetcher.cpp
+++ b/third_party/WebKit/Source/platform/loader/fetch/ResourceFetcher.cpp
@@ -604,9 +604,8 @@ Resource* ResourceFetcher::RequestResource(
 
   // An URL with the "cid" scheme can only be handled by an MHTML Archive.
   // Abort the request when there is none.
-  if (resource_request.Url().ProtocolIs(kContentIdScheme) && !archive_) {
+  if (!archive_ && resource_request.Url().ProtocolIs(kContentIdScheme))
     return nullptr;
-  }
 
   bool is_data_url = resource_request.Url().ProtocolIsData();
   bool is_static_data = is_data_url || substitute_data.IsValid() || archive_;