PlzNavigate 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 2641 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, 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 155 matching lines @@
     bool success,
     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 && 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));
+  Send(new FrameMsg_CommitNavigation(routing_id_, head, handle.release(),
+                                     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);
-
   // When navigating to a debug url, no commit is expected from the
   // RenderFrameHost, nor should the throbber start. The NavigationRequest is
   // also not stored in the FrameTreeNode. Therefore do not reset it, as this
   // could cancel an existing pending navigation.
   if (!IsRendererDebugURL(common_params.url)) {
     pending_commit_ = true;
     is_loading_ = true;
   }
 }
 
@@ skipping 789 matching lines @@
     service_manager::mojom::InterfaceProviderPtr provider;
     BindInterfaceRegistryForRenderFrameHost(mojo::MakeRequest(&provider), this);
     java_interfaces_.reset(new service_manager::InterfaceProvider);
     java_interfaces_->Bind(std::move(provider));
   }
   return java_interfaces_.get();
 }
 #endif
 
 }  // namespace content