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

content/browser/frame_host/render_frame_host_impl.h

Index: content/browser/frame_host/render_frame_host_impl.h
diff --git a/content/browser/frame_host/render_frame_host_impl.h b/content/browser/frame_host/render_frame_host_impl.h
index 885258c81657b8c1577eacaaade793d9b579287a..d638bc39ab73694084aecfc9849479a7e2555f41 100644
--- a/content/browser/frame_host/render_frame_host_impl.h
+++ b/content/browser/frame_host/render_frame_host_impl.h
@@ -36,6 +36,7 @@
 #include "content/common/navigation_params.h"
 #include "content/public/browser/render_frame_host.h"
 #include "content/public/common/javascript_message_type.h"
+#include "mojo/public/cpp/system/data_pipe.h"
 #include "net/http/http_response_headers.h"
 #include "third_party/WebKit/public/web/WebFrameOwnerProperties.h"
 #include "third_party/WebKit/public/web/WebTextDirection.h"
@@ -508,9 +509,10 @@ class CONTENT_EXPORT RenderFrameHostImpl : public RenderFrameHost,
   // PlzNavigate: Indicates that a navigation is ready to commit and can be
   // handled by this RenderFrame.
   void CommitNavigation(ResourceResponse* response,
-                        scoped_ptr<StreamHandle> body,
                         const CommonNavigationParams& common_params,
-                        const RequestNavigationParams& request_params);
+                        const RequestNavigationParams& request_params,
+                        mojo::ScopedDataPipeConsumerHandle data_consumer_handle,
+                        int request_id);
 
   // PlzNavigate
   // Indicates that a navigation failed and that this RenderFrame should display