PlzNavigate: transmit redirect info to the renderer side

content/renderer/render_frame_impl.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/renderer/render_frame_impl.h"
 
 #include <map>
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 542 matching lines @@
 #endif  // ADDRESS_SANITIZER || SYZYASAN
 }
 
 // Returns false unless this is a top-level navigation.
 bool IsTopLevelNavigation(WebFrame* frame) {
   return frame->parent() == NULL;
 }
 
 WebURLRequest CreateURLRequestForNavigation(
     const CommonNavigationParams& common_params,
+    const RequestNavigationParams& request_params,
     std::unique_ptr<StreamOverrideParameters> stream_override,
     bool is_view_source_mode_enabled,
-    bool is_same_document_navigation,
-    int nav_entry_id) {
-  WebURLRequest request(common_params.url);
+    bool is_same_document_navigation) {
+  // PlzNavigate: use the original navigation url to construct the
+  // WebURLRequest. The WebURLloaderImpl will replay the redirects afterwards
+  // and will eventually commit the final url.
+  const GURL navigation_url = IsBrowserSideNavigationEnabled() &&
+                                      !request_params.original_url.is_empty()
+                                  ? request_params.original_url
+                                  : common_params.url;
+  const std::string navigation_method =
+      IsBrowserSideNavigationEnabled() &&
+              !request_params.original_method.empty()
+          ? request_params.original_method
+          : common_params.method;
+  WebURLRequest request(navigation_url);
+  request.setHTTPMethod(WebString::fromUTF8(navigation_method));
+
   if (is_view_source_mode_enabled)
     request.setCachePolicy(WebCachePolicy::ReturnCacheDataElseLoad);
 
-  request.setHTTPMethod(WebString::fromUTF8(common_params.method));
   if (common_params.referrer.url.is_valid()) {
     WebString web_referrer = WebSecurityPolicy::generateReferrerHeader(
         common_params.referrer.policy, common_params.url,
         WebString::fromUTF8(common_params.referrer.url.spec()));
     if (!web_referrer.isEmpty()) {
       request.setHTTPReferrer(web_referrer, common_params.referrer.policy);
       request.addHTTPOriginIfNeeded(
           WebSecurityOrigin(url::Origin(common_params.referrer.url)));
     }
   }
 
   request.setIsSameDocumentNavigation(is_same_document_navigation);
   request.setPreviewsState(
       static_cast<WebURLRequest::PreviewsState>(common_params.previews_state));
 
   RequestExtraData* extra_data = new RequestExtraData();
   extra_data->set_stream_override(std::move(stream_override));
-  extra_data->set_navigation_initiated_by_renderer(nav_entry_id == 0);
+  extra_data->set_navigation_initiated_by_renderer(
+      request_params.nav_entry_id == 0);
   request.setExtraData(extra_data);
 
   // Set the ui timestamp for this navigation. Currently the timestamp here is
   // only non empty when the navigation was triggered by an Android intent. The
   // timestamp is converted to a double version supported by blink. It will be
   // passed back to the browser in the DidCommitProvisionalLoad and the
   // DocumentLoadComplete IPCs.
   base::TimeDelta ui_timestamp = common_params.ui_timestamp - base::TimeTicks();
   request.setUiStartTime(ui_timestamp.InSecondsF());
   request.setInputPerfMetricReportPolicy(
@@ skipping 2747 matching lines @@
     observer.WillSubmitForm(form);
 }
 
 void RenderFrameImpl::didCreateDataSource(blink::WebLocalFrame* frame,
                                           blink::WebDataSource* datasource) {
   DCHECK(!frame_ || frame_ == frame);
 
   bool content_initiated = !pending_navigation_params_.get();
 
   // Make sure any previous redirect URLs end up in our new data source.
-  if (pending_navigation_params_.get()) {
+  if (pending_navigation_params_.get() && !IsBrowserSideNavigationEnabled()) {
     for (const auto& i :
          pending_navigation_params_->request_params.redirects) {
       datasource->appendRedirect(i);
     }
   }
 
   DocumentState* document_state = DocumentState::FromDataSource(datasource);
   if (!document_state) {
     document_state = new DocumentState;
     datasource->setExtraData(document_state);
@@ skipping 36 matching lines @@
       !navigation_state->request_params()
            .navigation_timing.fetch_start.is_null()) {
     // Set timing of several events that happened during navigation.
     // They will be used in blink for the Navigation Timing API.
     double redirect_start = ConvertToBlinkTime(
         navigation_state->request_params().navigation_timing.redirect_start);
     double redirect_end = ConvertToBlinkTime(
         navigation_state->request_params().navigation_timing.redirect_end);
     double fetch_start = ConvertToBlinkTime(
         navigation_state->request_params().navigation_timing.fetch_start);
-    std::vector<GURL> redirectChain =
-        navigation_state->request_params().redirects;
-    redirectChain.push_back(navigation_state->common_params().url);
 
-    datasource->updateNavigation(redirect_start, redirect_end, fetch_start,
-                                 redirectChain);
+    datasource->updateNavigation(
+        redirect_start, redirect_end, fetch_start,
+        !navigation_state->request_params().redirects.empty());
     // TODO(clamy) We need to provide additional timing values for the
     // Navigation Timing API to work with browser-side navigations.
     // UnloadEventStart and UnloadEventEnd are still missing.
   }
 
   // Create the serviceworker's per-document network observing object if it
   // does not exist (When navigation happens within a page, the provider already
   // exists).
   if (ServiceWorkerNetworkProvider::FromDocumentState(
           DocumentState::FromDataSource(datasource)))
@@ skipping 1700 matching lines @@
     const RequestNavigationParams& request_params) {
   CHECK(IsBrowserSideNavigationEnabled());
   // This will override the url requested by the WebURLLoader, as well as
   // provide it with the response to the request.
   std::unique_ptr<StreamOverrideParameters> stream_override(
       new StreamOverrideParameters());
   stream_override->stream_url = stream_url;
   stream_override->response = response;
   stream_override->redirects = request_params.redirects;
   stream_override->redirect_responses = request_params.redirect_response;
+  stream_override->redirect_infos = request_params.redirect_infos;
 
   // If the request was initiated in the context of a user gesture then make
   // sure that the navigation also executes in the context of a user gesture.
   std::unique_ptr<blink::WebScopedUserGesture> gesture(
       request_params.has_user_gesture ? new blink::WebScopedUserGesture(frame_)
                                       : nullptr);
 
   browser_side_navigation_pending_ = false;
 
   NavigateInternal(common_params, StartNavigationParams(), request_params,
@@ skipping 23 matching lines @@
   // already committed other loads.
   if (request_params.has_committed_real_load && frame_->parent())
     frame_->setCommittedFirstRealLoad();
 
   pending_navigation_params_.reset(new NavigationParams(
       common_params, StartNavigationParams(), request_params));
 
   // Send the provisional load failure.
   blink::WebURLError error =
       CreateWebURLError(common_params.url, has_stale_copy_in_cache, error_code);
-  WebURLRequest failed_request = CreateURLRequestForNavigation(
-      common_params, std::unique_ptr<StreamOverrideParameters>(),
-      frame_->isViewSourceModeEnabled(),
-      false,  // is_same_document_navigation
-      request_params.nav_entry_id);
+  WebURLRequest failed_request =
+      CreateURLRequestForNavigation(common_params, request_params,
+                                    std::unique_ptr<StreamOverrideParameters>(),
+                                    frame_->isViewSourceModeEnabled(),
+                                    false);  // is_same_document_navigation
 
   if (!ShouldDisplayErrorPageForFailedLoad(error_code, common_params.url)) {
     // The browser expects this frame to be loading an error page. Inform it
     // that the load stopped.
     Send(new FrameHostMsg_DidStopLoading(routing_id_));
     browser_side_navigation_pending_ = false;
     return;
   }
 
   // On load failure, a frame can ask its owner to render fallback content.
@@ skipping 666 matching lines @@
   bool should_load_request = false;
   WebHistoryItem item_for_history_navigation;
 
   // Enforce same-document navigation from the browser only if
   // browser-side-navigation is enabled.
   bool is_same_document =
       IsBrowserSideNavigationEnabled() &&
       FrameMsg_Navigate_Type::IsSameDocument(common_params.navigation_type);
 
   WebURLRequest request = CreateURLRequestForNavigation(
-      common_params, std::move(stream_params),
-      frame_->isViewSourceModeEnabled(), is_same_document,
-      request_params.nav_entry_id);
+      common_params, request_params, std::move(stream_params),
+      frame_->isViewSourceModeEnabled(), is_same_document);
   request.setFrameType(IsTopLevelNavigation(frame_)
                            ? blink::WebURLRequest::FrameTypeTopLevel
                            : blink::WebURLRequest::FrameTypeNested);
 
   if (IsBrowserSideNavigationEnabled() && common_params.post_data)
     request.setHTTPBody(GetWebHTTPBodyForRequestBody(common_params.post_data));
 
   // Used to determine whether this frame is actually loading a request as part
   // of a history navigation.
   bool has_history_navigation_in_frame = false;
@@ skipping 943 matching lines @@
   // event target. Potentially a Pepper plugin will receive the event.
   // In order to tell whether a plugin gets the last mouse event and which it
   // is, we set |pepper_last_mouse_event_target_| to null here. If a plugin gets
   // the event, it will notify us via DidReceiveMouseEvent() and set itself as
   // |pepper_last_mouse_event_target_|.
   pepper_last_mouse_event_target_ = nullptr;
 #endif
 }
 
 }  // namespace content