PlzNavigate: Support ResourceTiming API

content/renderer/render_frame_impl.cc

Index: content/renderer/render_frame_impl.cc
diff --git a/content/renderer/render_frame_impl.cc b/content/renderer/render_frame_impl.cc
index fbd8279f491e1b8f8686c548166e01c4fa128fa0..758e9b467d30c05bc7753e2cc4758205a77fdbdb 100644
--- a/content/renderer/render_frame_impl.cc
+++ b/content/renderer/render_frame_impl.cc
@@ -5475,6 +5475,20 @@ void RenderFrameImpl::NavigateInternal(
   if (browser_side_navigation)
     request.setCheckForBrowserSideNavigation(false);
 
+  // PlzNavigate: Store the previous ResourceResponses in the request.
+  DCHECK(request_params.redirects.size() ==
+         request_params.resource_response_infos.size());
+  for (size_t i = 0; i < request_params.redirects.size(); ++i) {
+    const GURL& url = request_params.redirects[i];
+    const ResourceResponseInfo& info =
+        request_params.resource_response_infos[i];
+    WebURLResponse response;
+    WebURLLoaderImpl::PopulateURLResponse(url, info, &response, false);
+    request.appendPreviousResponse(response);
+  }
+  request.setPreviousNavigationStart(
+      (common_params.navigation_start - base::TimeTicks()).InSecondsF());
+
   // If we are reloading, then use the history state of the current frame.
   // Otherwise, if we have history state, then we need to navigate to it, which
   // corresponds to a back/forward navigation event. Update the parameters