PlzNavigate: support NavigationThrottle::WillProcessResponse

content/browser/frame_host/navigator_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/browser/frame_host/navigator_impl.h"
 
 #include <utility>
 
 #include "base/metrics/histogram.h"
 #include "base/time/time.h"
@@ skipping 86 matching lines @@
 
 NavigatorImpl::NavigatorImpl(
     NavigationControllerImpl* navigation_controller,
     NavigatorDelegate* delegate)
     : controller_(navigation_controller),
       delegate_(delegate) {
 }
 
 NavigatorImpl::~NavigatorImpl() {}
 
+// static
+void NavigatorImpl::CheckWebUIRendererDoesNotDisplayNormalURL(
+    RenderFrameHostImpl* render_frame_host,
+    const GURL& url) {
+  int enabled_bindings =
+      render_frame_host->render_view_host()->GetEnabledBindings();
+  bool is_allowed_in_web_ui_renderer =
+      WebUIControllerFactoryRegistry::GetInstance()->IsURLAcceptableForWebUI(
+          render_frame_host->frame_tree_node()
+              ->navigator()
+              ->GetController()
+              ->GetBrowserContext(),
+          url);
+  if ((enabled_bindings & BINDINGS_POLICY_WEB_UI) &&
+      !is_allowed_in_web_ui_renderer) {
+    // Log the URL to help us diagnose any future failures of this CHECK.
+    GetContentClient()->SetActiveURL(url);
+    CHECK(0);
+  }
+}
+
 NavigatorDelegate* NavigatorImpl::GetDelegate() {
   return delegate_;
 }
 
 NavigationController* NavigatorImpl::GetController() {
   return controller_;
 }
 
 void NavigatorImpl::DidStartProvisionalLoad(
     RenderFrameHostImpl* render_frame_host,
@@ skipping 701 matching lines @@
   // For main frames, NavigationHandle will be created after the call to
   // |DidStartMainFrameNavigation|, so it receives the most up to date pending
   // entry from the NavigationController.
   NavigationEntry* pending_entry = controller_->GetPendingEntry();
   navigation_request->CreateNavigationHandle(
       pending_entry ? pending_entry->GetUniqueID() : 0);
   navigation_request->BeginNavigation();
 }
 
 // PlzNavigate
-void NavigatorImpl::CommitNavigation(NavigationRequest* navigation_request,
-                                     ResourceResponse* response,
-                                     scoped_ptr<StreamHandle> body) {
-  CHECK(IsBrowserSideNavigationEnabled());
-
-  DCHECK(navigation_request);
-  FrameTreeNode* frame_tree_node = navigation_request->frame_tree_node();
-  DCHECK(frame_tree_node);
-  DCHECK(response ||
-         !ShouldMakeNetworkRequestForURL(
-             navigation_request->common_params().url));
-
-  // HTTP 204 (No Content) and HTTP 205 (Reset Content) responses should not
-  // commit; they leave the frame showing the previous page.
-  if (response && response->head.headers.get() &&
-      (response->head.headers->response_code() == 204 ||
-       response->head.headers->response_code() == 205)) {
-    CancelNavigation(frame_tree_node);
-    return;
-  }
-
-  // Select an appropriate renderer to commit the navigation.
-  RenderFrameHostImpl* render_frame_host =
-      frame_tree_node->render_manager()->GetFrameHostForNavigation(
-          *navigation_request);
-
-  // The renderer can exit view source mode when any error or cancellation
-  // happen. When reusing the same renderer, overwrite to recover the mode.
-  if (navigation_request->is_view_source() &&
-      render_frame_host ==
-          frame_tree_node->render_manager()->current_frame_host()) {
-    DCHECK(!render_frame_host->GetParent());
-    render_frame_host->render_view_host()->Send(
-        new ViewMsg_EnableViewSourceMode(
-            render_frame_host->render_view_host()->GetRoutingID()));
-  }
-
-  CheckWebUIRendererDoesNotDisplayNormalURL(
-      render_frame_host, navigation_request->common_params().url);
-
-  navigation_request->TransferNavigationHandleOwnership(render_frame_host);
-  render_frame_host->navigation_handle()->ReadyToCommitNavigation(
-      render_frame_host, response ? response->head.headers : nullptr);
-  render_frame_host->CommitNavigation(response, std::move(body),
-                                      navigation_request->common_params(),
-                                      navigation_request->request_params());
-}
-
-// PlzNavigate
 void NavigatorImpl::FailedNavigation(FrameTreeNode* frame_tree_node,
                                      bool has_stale_copy_in_cache,
                                      int error_code) {
   CHECK(IsBrowserSideNavigationEnabled());
 
   NavigationRequest* navigation_request = frame_tree_node->navigation_request();
   DCHECK(navigation_request);
 
   DiscardPendingEntryOnFailureIfNeeded(navigation_request->navigation_handle());
 
   // If the request was canceled by the user do not show an error page.
   if (error_code == net::ERR_ABORTED) {
     frame_tree_node->ResetNavigationRequest(false);
     return;
   }
 
   // Select an appropriate renderer to show the error page.
   RenderFrameHostImpl* render_frame_host =
       frame_tree_node->render_manager()->GetFrameHostForNavigation(
           *navigation_request);
   CheckWebUIRendererDoesNotDisplayNormalURL(
       render_frame_host, navigation_request->common_params().url);
 
   navigation_request->TransferNavigationHandleOwnership(render_frame_host);
   render_frame_host->navigation_handle()->ReadyToCommitNavigation(
-      render_frame_host, scoped_refptr<net::HttpResponseHeaders>());
+      render_frame_host);
   render_frame_host->FailedNavigation(navigation_request->common_params(),
                                       navigation_request->request_params(),
                                       has_stale_copy_in_cache, error_code);
 }
 
 // PlzNavigate
 void NavigatorImpl::CancelNavigation(FrameTreeNode* frame_tree_node) {
   CHECK(IsBrowserSideNavigationEnabled());
   frame_tree_node->ResetNavigationRequest(false);
   if (frame_tree_node->IsMainFrame())
@@ skipping 15 matching lines @@
     const base::TimeTicks& renderer_before_unload_end_time) {
   // Only stores the beforeunload delay if we're tracking a browser initiated
   // navigation and it happened later than the navigation request.
   if (navigation_data_ &&
       renderer_before_unload_start_time > navigation_data_->start_time_) {
     navigation_data_->before_unload_delay_ =
         renderer_before_unload_end_time - renderer_before_unload_start_time;
   }
 }
 
-void NavigatorImpl::CheckWebUIRendererDoesNotDisplayNormalURL(
-    RenderFrameHostImpl* render_frame_host,
-    const GURL& url) {
-  int enabled_bindings =
-      render_frame_host->render_view_host()->GetEnabledBindings();
-  bool is_allowed_in_web_ui_renderer =
-      WebUIControllerFactoryRegistry::GetInstance()->IsURLAcceptableForWebUI(
-          controller_->GetBrowserContext(), url);
-  if ((enabled_bindings & BINDINGS_POLICY_WEB_UI) &&
-      !is_allowed_in_web_ui_renderer) {
-    // Log the URL to help us diagnose any future failures of this CHECK.
-    GetContentClient()->SetActiveURL(url);
-    CHECK(0);
-  }
-}
-
 // PlzNavigate
 void NavigatorImpl::RequestNavigation(
     FrameTreeNode* frame_tree_node,
     const GURL& dest_url,
     const Referrer& dest_referrer,
     const FrameNavigationEntry& frame_entry,
     const NavigationEntryImpl& entry,
     NavigationController::ReloadType reload_type,
     LoFiState lofi_state,
     bool is_same_document_history_load,
@@ skipping 168 matching lines @@
   if (pending_entry != controller_->GetVisibleEntry() ||
       !should_preserve_entry) {
     controller_->DiscardPendingEntry(true);
 
     // Also force the UI to refresh.
     controller_->delegate()->NotifyNavigationStateChanged(INVALIDATE_TYPE_URL);
   }
 }
 
 }  // namespace content