Make the logic for stream interception by MimeHandlerViews consistent with starting the plugin

content/browser/loader/resource_dispatcher_host_impl.h

Index: content/browser/loader/resource_dispatcher_host_impl.h
diff --git a/content/browser/loader/resource_dispatcher_host_impl.h b/content/browser/loader/resource_dispatcher_host_impl.h
index 51d5b7386acf7007e6b01a26dc54553e4a92d0ec..83b63b2eab694cb11119df00956d4ebaaaf34247 100644
--- a/content/browser/loader/resource_dispatcher_host_impl.h
+++ b/content/browser/loader/resource_dispatcher_host_impl.h
@@ -45,6 +45,10 @@
 class ResourceHandler;
 struct ResourceHostMsg_Request;
 
+namespace base {
+class FilePath;
+}
+
 namespace net {
 class URLRequestJobFactory;
 }
@@ -239,6 +243,7 @@ class CONTENT_EXPORT ResourceDispatcherHostImpl
   // it, except on HTTP errors. This is marked virtual so it can be overriden in
   // testing.

[mmenke, 2015/06/05 18:45:50]

Can we document what this method actually does, rather than just when it must be
called?

[raymes, 2015/06/09 00:10:46]

Done.

   virtual scoped_ptr<ResourceHandler> MaybeInterceptAsStream(
+      const base::FilePath& plugin_path,
       net::URLRequest* request,
       ResourceResponse* response,
       std::string* payload);