Allow URL requests for object/embed tags to be intercepted as streams.

content/browser/loader/buffered_resource_handler.cc

Index: content/browser/loader/buffered_resource_handler.cc
diff --git a/content/browser/loader/buffered_resource_handler.cc b/content/browser/loader/buffered_resource_handler.cc
index f96b5506d8c455f1526a89b3917d5e65bb3d82dd..dfe07db1ed8f7c3043471ecef7d620b81ea0c2ce 100644
--- a/content/browser/loader/buffered_resource_handler.cc
+++ b/content/browser/loader/buffered_resource_handler.cc
@@ -312,6 +312,17 @@ bool BufferedResourceHandler::SelectNextHandler(bool* defer) {
     return UseAlternateNextHandler(handler.Pass(), std::string());
   }
 
+  // Allow requests for object/embed tags to be intercepted as streams.
+  if (info->GetResourceType() == content::RESOURCE_TYPE_OBJECT) {
+    DCHECK(!info->allow_download());
+    std::string payload;
+    scoped_ptr<ResourceHandler> handler(
+        host_->MaybeInterceptAsStream(request(), response_.get(), &payload));

[mmenke, 2014/11/17 18:57:08]

The other call to this is bypassed if "net::IsSupportedMimeType" is false.  Do
we care about that here?

[raymes, 2014/11/17 23:44:25]

Requests for those types should never get intercepted as streams. Added a DCHECK
here.

+    if (handler) {
+      return UseAlternateNextHandler(handler.Pass(), payload);
+    }
+  }
+
   if (!info->allow_download())
     return true;