network service: pass PlzNavigate resulting data via mojo data pipe

content/browser/frame_host/render_frame_host_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/render_frame_host_impl.h"
 
 #include <algorithm>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 88 matching lines @@
 #include "device/geolocation/geolocation_service_context.h"
 #include "device/vr/features.h"
 #include "device/wake_lock/public/interfaces/wake_lock_context.mojom.h"
 #include "device/wake_lock/public/interfaces/wake_lock_service.mojom.h"
 #include "media/base/media_switches.h"
 #include "media/media_features.h"
 #include "media/mojo/interfaces/media_service.mojom.h"
 #include "media/mojo/interfaces/remoting.mojom.h"
 #include "mojo/public/cpp/bindings/associated_interface_ptr.h"
 #include "mojo/public/cpp/bindings/strong_binding.h"
+#include "mojo/public/cpp/system/data_pipe.h"
 #include "services/service_manager/public/cpp/connector.h"
 #include "services/service_manager/public/cpp/interface_provider.h"
 #include "ui/accessibility/ax_tree.h"
 #include "ui/accessibility/ax_tree_id_registry.h"
 #include "ui/accessibility/ax_tree_update.h"
 #include "ui/gfx/geometry/quad_f.h"
 #include "url/gurl.h"
 
 #if defined(OS_ANDROID)
 #include "content/browser/android/java_interfaces_impl.h"
@@ skipping 2524 matching lines @@
 void RenderFrameHostImpl::NavigateToInterstitialURL(const GURL& data_url) {
   DCHECK(data_url.SchemeIs(url::kDataScheme));
   CommonNavigationParams common_params(
       data_url, Referrer(), ui::PAGE_TRANSITION_LINK,
       FrameMsg_Navigate_Type::DIFFERENT_DOCUMENT, false, false,
       base::TimeTicks::Now(), FrameMsg_UILoadMetricsReportType::NO_REPORT,
       GURL(), GURL(), PREVIEWS_OFF, base::TimeTicks::Now(), "GET", nullptr,
       base::Optional<SourceLocation>(),
       CSPDisposition::CHECK /* should_check_main_world_csp */);
   if (IsBrowserSideNavigationEnabled()) {
-    CommitNavigation(nullptr, nullptr, common_params, RequestNavigationParams(),
-                     false);
+    CommitNavigation(nullptr, nullptr, mojo::ScopedDataPipeConsumerHandle(),
+                     common_params, RequestNavigationParams(), false);
   } else {
     Navigate(common_params, StartNavigationParams(), RequestNavigationParams());
   }
 }
 
 void RenderFrameHostImpl::Stop() {
   Send(new FrameMsg_Stop(routing_id_));
 }
 
 void RenderFrameHostImpl::DispatchBeforeUnload(bool for_navigation,
@@ skipping 138 matching lines @@
     const base::string16& user_input) {
   FrameHostMsg_RunJavaScriptDialog::WriteReplyParams(reply_msg, success,
                                                      user_input);
   Send(reply_msg);
 }
 
 // PlzNavigate
 void RenderFrameHostImpl::CommitNavigation(
     ResourceResponse* response,
     std::unique_ptr<StreamHandle> body,
+    mojo::ScopedDataPipeConsumerHandle handle,
     const CommonNavigationParams& common_params,
     const RequestNavigationParams& request_params,
     bool is_view_source) {
   DCHECK(
-      (response && body.get()) ||
+      (response && (body.get() || handle.is_valid())) ||
       common_params.url.SchemeIs(url::kDataScheme) ||
       !ShouldMakeNetworkRequestForURL(common_params.url) ||
       FrameMsg_Navigate_Type::IsSameDocument(common_params.navigation_type) ||
       IsRendererDebugURL(common_params.url));
   UpdatePermissionsForNavigation(common_params, request_params);
 
   // Get back to a clean state, in case we start a new navigation without
   // completing an unload handler.
   ResetWaitingState();
 
   // The renderer can exit view source mode when any error or cancellation
   // happen. When reusing the same renderer, overwrite to recover the mode.
   if (is_view_source &&
       this == frame_tree_node_->render_manager()->current_frame_host()) {
     DCHECK(!GetParent());
     render_view_host()->Send(new FrameMsg_EnableViewSourceMode(routing_id_));
   }
 
   const GURL body_url = body.get() ? body->GetURL() : GURL();
   const ResourceResponseHead head = response ?
       response->head : ResourceResponseHead();
-  Send(new FrameMsg_CommitNavigation(routing_id_, head, body_url, common_params,
-                                     request_params));
+  const bool network_service_enabled =
+      base::CommandLine::ForCurrentProcess()->HasSwitch(
+          switches::kEnableNetworkService);
+  if (network_service_enabled) {
+    Send(new FrameMsg_CommitNavigationNetworkService(
+        routing_id_, head, handle.release(), common_params, request_params));
+  } else {
+    Send(new FrameMsg_CommitNavigation(routing_id_, head, body_url,
+                                       common_params, request_params));
+  }
 
   // If a network request was made, update the Previews state.
   if (ShouldMakeNetworkRequestForURL(common_params.url) &&
       !FrameMsg_Navigate_Type::IsSameDocument(common_params.navigation_type)) {
     last_navigation_previews_state_ = common_params.previews_state;
   }
 
   // TODO(clamy): Release the stream handle once the renderer has finished
   // reading it.
   stream_handle_ = std::move(body);
@@ skipping 811 matching lines @@
 }
 
 void RenderFrameHostImpl::ForwardGetInterfaceToRenderFrame(
     const std::string& interface_name,
     mojo::ScopedMessagePipeHandle pipe) {
   GetRemoteInterfaces()->GetInterface(interface_name, std::move(pipe));
 }
 #endif
 
 }  // namespace content