PlzNavigate: implement CommitNavigation on the browser side

content/browser/frame_host/render_frame_host_manager.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/render_frame_host_manager.h"
 
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/debug/trace_event.h"
 #include "base/logging.h"
 #include "base/stl_util.h"
 #include "content/browser/child_process_security_policy_impl.h"
 #include "content/browser/devtools/render_view_devtools_agent_host.h"
 #include "content/browser/frame_host/cross_site_transferring_request.h"
 #include "content/browser/frame_host/debug_urls.h"
 #include "content/browser/frame_host/interstitial_page_impl.h"
 #include "content/browser/frame_host/navigation_before_commit_info.h"
 #include "content/browser/frame_host/navigation_controller_impl.h"
 #include "content/browser/frame_host/navigation_entry_impl.h"
+#include "content/browser/frame_host/navigation_parameters.h"
 #include "content/browser/frame_host/navigation_request.h"
 #include "content/browser/frame_host/navigation_request_info.h"
 #include "content/browser/frame_host/navigator.h"
 #include "content/browser/frame_host/render_frame_host_factory.h"
 #include "content/browser/frame_host/render_frame_host_impl.h"
 #include "content/browser/frame_host/render_frame_proxy_host.h"
 #include "content/browser/renderer_host/render_process_host_impl.h"
 #include "content/browser/renderer_host/render_view_host_factory.h"
 #include "content/browser/renderer_host/render_view_host_impl.h"
 #include "content/browser/site_instance_impl.h"
 #include "content/browser/webui/web_ui_controller_factory_registry.h"
 #include "content/browser/webui/web_ui_impl.h"
 #include "content/common/view_messages.h"
 #include "content/public/browser/content_browser_client.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/notification_types.h"
 #include "content/public/browser/render_widget_host_iterator.h"
 #include "content/public/browser/render_widget_host_view.h"
 #include "content/public/browser/user_metrics.h"
 #include "content/public/browser/web_ui_controller.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/common/referrer.h"
 #include "content/public/common/url_constants.h"
 #include "net/base/load_flags.h"
 
 namespace content {
 
-namespace {
-
-// PlzNavigate
-// Simulates a renderer response to a navigation request when there is no live
-// renderer.
-FrameHostMsg_BeginNavigation_Params BeginNavigationFromNavigate(
-    const FrameMsg_Navigate_Params& navigate_params) {
-  FrameHostMsg_BeginNavigation_Params begin_navigation_params;
-  begin_navigation_params.method = navigate_params.is_post ? "POST" : "GET";
-  begin_navigation_params.url = navigate_params.url;
-  begin_navigation_params.referrer =
-      Referrer(navigate_params.referrer.url, navigate_params.referrer.policy);
-
-  // TODO(clamy): This should be modified to take into account caching policy
-  // requirements (eg for POST reloads).
-  begin_navigation_params.load_flags = net::LOAD_NORMAL;
-
-  // TODO(clamy): Post data from the browser should be put in the request body.
-
-  begin_navigation_params.has_user_gesture = false;
-  begin_navigation_params.transition_type = navigate_params.transition;
-  begin_navigation_params.should_replace_current_entry =
-      navigate_params.should_replace_current_entry;
-  begin_navigation_params.allow_download =
-      navigate_params.allow_download;
-  return begin_navigation_params;
-}
-
-}  // namespace
-
 bool RenderFrameHostManager::ClearRFHsPendingShutdown(FrameTreeNode* node) {
   node->render_manager()->pending_delete_hosts_.clear();
   return true;
 }
 
 RenderFrameHostManager::RenderFrameHostManager(
     FrameTreeNode* frame_tree_node,
     RenderFrameHostDelegate* render_frame_delegate,
     RenderViewHostDelegate* render_view_delegate,
     RenderWidgetHostDelegate* render_widget_delegate,
@@ skipping 453 matching lines @@
   if (iter != pending_delete_hosts_.end() && iter->second.get() == rfh)
     pending_delete_hosts_.erase(site_instance_id);
 }
 
 void RenderFrameHostManager::ResetProxyHosts() {
   STLDeleteValues(&proxy_hosts_);
 }
 
 // PlzNavigate
 bool RenderFrameHostManager::RequestNavigation(
-    const NavigationEntryImpl& entry,
-    const FrameMsg_Navigate_Params& navigate_params) {
+    scoped_ptr<NavigationParameters> navigation_parameters) {
   CHECK(CommandLine::ForCurrentProcess()->HasSwitch(
       switches::kEnableBrowserSideNavigation));
+  navigation_parameters_ = navigation_parameters.Pass();
   // TODO(clamy): replace RenderViewHost::IsRenderViewLive by
   // RenderFrameHost::IsLive.
   if (render_frame_host_->render_view_host()->IsRenderViewLive())
     // TODO(clamy): send a RequestNavigation IPC.
     return true;
 
   // The navigation request is sent directly to the IO thread.
-  OnBeginNavigation(BeginNavigationFromNavigate(navigate_params));
+  OnBeginNavigation(navigation_parameters_->SimulateRendererResponse());
   return true;
 }
 
 // PlzNavigate
 void RenderFrameHostManager::OnBeginNavigation(
     const FrameHostMsg_BeginNavigation_Params& params) {
   CHECK(CommandLine::ForCurrentProcess()->HasSwitch(
       switches::kEnableBrowserSideNavigation));
+  DCHECK(navigation_parameters_.get());
+  navigation_parameters_->UpdateFromBeginNavigationParams(params);
   // TODO(clamy): Check if navigations are blocked and if so, return
   // immediately.
   NavigationRequestInfo info(params);
 
   info.first_party_for_cookies = frame_tree_node_->IsMainFrame() ?
       params.url : frame_tree_node_->frame_tree()->root()->current_url();
   info.is_main_frame = frame_tree_node_->IsMainFrame();
   info.parent_is_main_frame = !frame_tree_node_->parent() ?
       false : frame_tree_node_->parent()->IsMainFrame();
   info.is_showing = GetRenderWidgetHostView()->IsShowing();
+  info.allow_download = navigation_parameters_->allow_download();
 
   // TODO(clamy): Check if the current RFH should be initialized (in case it has
   // crashed) not to display a sad tab while navigating.
   // TODO(clamy): Spawn a speculative renderer process if we do not have one to
   // use for the navigation.
   navigation_request_.reset(new NavigationRequest(
       info, frame_tree_node_->frame_tree_node_id()));
   navigation_request_->BeginNavigation(params.request_body);
 }
 
@@ skipping 34 matching lines @@
     int opener_route_id = delegate_->CreateOpenerRenderViewsForRenderManager(
         render_frame_host_->GetSiteInstance());
     if (!InitRenderView(render_frame_host_->render_view_host(),
                         opener_route_id,
                         MSG_ROUTING_NONE,
                         frame_tree_node_->IsMainFrame())) {
       return;
     }
   }
 
+  DCHECK(navigation_parameters_.get());
+  navigation_parameters_->UpdateFromCommitInfo(info);
   frame_tree_node_->navigator()->CommitNavigation(
-      render_frame_host_.get(), info);
+      render_frame_host_.get(),
+      navigation_parameters_->MakeCommitNavigationParams());
 }
 
 void RenderFrameHostManager::Observe(
     int type,
     const NotificationSource& source,
     const NotificationDetails& details) {
   switch (type) {
     case NOTIFICATION_RENDERER_PROCESS_CLOSED:
     case NOTIFICATION_RENDERER_PROCESS_CLOSING:
       RendererProcessClosing(
@@ skipping 1040 matching lines @@
 void RenderFrameHostManager::DeleteRenderFrameProxyHost(
     SiteInstance* instance) {
   RenderFrameProxyHostMap::iterator iter = proxy_hosts_.find(instance->GetId());
   if (iter != proxy_hosts_.end()) {
     delete iter->second;
     proxy_hosts_.erase(iter);
   }
 }
 
 }  // namespace content