PROTOTYPE: PlzNavigate: use a Mojo data pipe to stream navigation data to the renderer.

content/browser/loader/navigation_resource_handler.h

Index: content/browser/loader/navigation_resource_handler.h
diff --git a/content/browser/loader/navigation_resource_handler.h b/content/browser/loader/navigation_resource_handler.h
index e898663611c903f3ccbc1d373fbfa9c38b264872..79a5952545550ee9d0c95365c17a4bc18b608b7c 100644
--- a/content/browser/loader/navigation_resource_handler.h
+++ b/content/browser/loader/navigation_resource_handler.h
@@ -7,7 +7,7 @@
 
 #include "base/macros.h"
 #include "content/browser/loader/resource_handler.h"
-#include "content/browser/loader/stream_writer.h"
+#include "content/browser/loader/mojo_stream_writer.h"
 
 namespace content {
 
@@ -49,7 +49,7 @@ class NavigationResourceHandler : public ResourceHandler {
   void DetachFromCore();
 
   NavigationURLLoaderImplCore* core_;
-  StreamWriter writer_;
+  MojoStreamWriter writer_;
 
   DISALLOW_COPY_AND_ASSIGN(NavigationResourceHandler);
 };