NOCOMMIT prototype: GRC service plumbing and process priority

chrome/browser/resource_coordinator/resource_coordinator_web_contents_observer.cc

 // Copyright 2017 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 "chrome/browser/resource_coordinator/resource_coordinator_web_contents_observer.h"
 
+#include "content/public/browser/navigation_handle.h"
+#include "content/public/browser/render_frame_host.h"
+#include "content/public/browser/render_process_host.h"
 #include "content/public/common/service_manager_connection.h"
 #include "services/resource_coordinator/public/cpp/resource_coordinator_features.h"
 
 DEFINE_WEB_CONTENTS_USER_DATA_KEY(ResourceCoordinatorWebContentsObserver);
 
 ResourceCoordinatorWebContentsObserver::ResourceCoordinatorWebContentsObserver(
     content::WebContents* web_contents)
     : WebContentsObserver(web_contents) {
   tab_resource_coordinator_ =
       base::MakeUnique<resource_coordinator::ResourceCoordinatorInterface>(
@@ skipping 11 matching lines @@
 
 void ResourceCoordinatorWebContentsObserver::WasShown() {
   tab_resource_coordinator_->SendEvent(
       resource_coordinator::EventType::kOnWebContentsShown);
 }
 
 void ResourceCoordinatorWebContentsObserver::WasHidden() {
   tab_resource_coordinator_->SendEvent(
       resource_coordinator::EventType::kOnWebContentsHidden);
 }
+
+void ResourceCoordinatorWebContentsObserver::ReadyToCommitNavigation(
+    content::NavigationHandle* navigation_handle) {
+  auto* frame_resource_coordinator =
+      navigation_handle->GetRenderFrameHost()->GetFrameResourceCoordinator();
+  tab_resource_coordinator_->AddChild(*frame_resource_coordinator);
+  frame_resource_coordinator->SendEvent(
+      resource_coordinator::EventType::kOnNavigationCommit);
+}
+
+void ResourceCoordinatorWebContentsObserver::DidFinishNavigation(
+    content::NavigationHandle* navigation_handle) {
+  content::RenderFrameHost* render_frame =
+      navigation_handle->GetRenderFrameHost();
+  auto* frame_resource_coordinator =
+      render_frame->GetFrameResourceCoordinator();
+  auto* process_resource_coordinator =
+      render_frame->GetProcess()->GetProcessResourceCoordinator();
+
+  process_resource_coordinator->AddChild(*frame_resource_coordinator);
+  tab_resource_coordinator_->AddChild(*process_resource_coordinator);
+}