[page_load_metrics] Add a NavigationThrottle for richer abort metrics

content/test/content_browser_test_utils_internal.cc

 // Copyright 2014 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/test/content_browser_test_utils_internal.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <map>
 #include <set>
 #include <vector>
 
 #include "base/strings/stringprintf.h"
 #include "base/test/test_timeouts.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "cc/surfaces/surface.h"
 #include "cc/surfaces/surface_manager.h"
 #include "content/browser/compositor/surface_utils.h"
 #include "content/browser/frame_host/cross_process_frame_connector.h"
 #include "content/browser/frame_host/frame_tree_node.h"
 #include "content/browser/frame_host/navigator.h"
 #include "content/browser/frame_host/render_frame_proxy_host.h"
 #include "content/browser/frame_host/render_widget_host_view_child_frame.h"
 #include "content/browser/renderer_host/delegated_frame_host.h"
 #include "content/browser/renderer_host/render_widget_host_view_base.h"
 #include "content/public/browser/render_frame_host.h"
 #include "content/public/browser/resource_dispatcher_host.h"
 #include "content/public/browser/resource_throttle.h"
-#include "content/public/browser/web_contents.h"
 #include "content/public/common/file_chooser_file_info.h"
 #include "content/public/common/file_chooser_params.h"
 #include "content/public/test/browser_test_utils.h"
 #include "content/public/test/content_browser_test_utils.h"
 #include "content/shell/browser/shell.h"
 #include "content/shell/browser/shell_javascript_dialog_manager.h"
 #include "content/test/test_frame_navigation_observer.h"
 #include "net/url_request/url_request.h"
 
 namespace content {
 
-namespace {
-
-// Helper class used by the TestNavigationManager to pause navigations.
-class TestNavigationManagerThrottle : public NavigationThrottle {
- public:
-  TestNavigationManagerThrottle(NavigationHandle* handle,
-                                base::Closure on_will_start_request_closure)
-      : NavigationThrottle(handle),
-        on_will_start_request_closure_(on_will_start_request_closure) {}
-  ~TestNavigationManagerThrottle() override {}
-
- private:
-  // NavigationThrottle implementation.
-  NavigationThrottle::ThrottleCheckResult WillStartRequest() override {
-    BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
-                            on_will_start_request_closure_);
-    return NavigationThrottle::DEFER;
-  }
-
-  base::Closure on_will_start_request_closure_;
-};
-
-}  // namespace
-
 void NavigateFrameToURL(FrameTreeNode* node, const GURL& url) {
   TestFrameNavigationObserver observer(node);
   NavigationController::LoadURLParams params(url);
   params.transition_type = ui::PAGE_TRANSITION_LINK;
   params.frame_tree_node_id = node->frame_tree_node_id();
   node->navigator()->GetController()->LoadURLWithParams(params);
   observer.Wait();
 }
 
 void SetShouldProceedOnBeforeUnload(Shell* shell, bool proceed) {
@@ skipping 284 matching lines @@
     net::URLRequest* request,
     content::ResourceContext* resource_context,
     content::AppCacheService* appcache_service,
     ResourceType resource_type,
     ScopedVector<content::ResourceThrottle>* throttles) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::IO);
   if (request->url() == url_)
     throttles->push_back(new HttpRequestStallThrottle);
 }
 
-TestNavigationManager::TestNavigationManager(
-    int filtering_frame_tree_node_id,
-    WebContents* web_contents,
-    const GURL& url)
-    : WebContentsObserver(web_contents),
-      filtering_frame_tree_node_id_(filtering_frame_tree_node_id),
-      url_(url),
-      navigation_paused_(false),
-      handle_(nullptr),
-      weak_factory_(this) {}
-
-TestNavigationManager::TestNavigationManager(WebContents* web_contents,
-                                             const GURL& url)
-    : TestNavigationManager(FrameTreeNode::kFrameTreeNodeInvalidId,
-                            web_contents,
-                            url) {}
-
-TestNavigationManager::~TestNavigationManager() {
-  ResumeNavigation();
-}
-
-void TestNavigationManager::WaitForWillStartRequest() {
-  DCHECK(!did_finish_loop_runner_);
-  if (navigation_paused_)
-    return;
-  will_start_loop_runner_ = new MessageLoopRunner();
-  will_start_loop_runner_->Run();
-  will_start_loop_runner_ = nullptr;
-}
-
-void TestNavigationManager::WaitForNavigationFinished() {
-  DCHECK(!will_start_loop_runner_);
-  // Ensure the navigation is resumed if the manager paused it previously.
-  if (navigation_paused_)
-    ResumeNavigation();
-  did_finish_loop_runner_ = new MessageLoopRunner();
-  did_finish_loop_runner_->Run();
-  did_finish_loop_runner_ = nullptr;
-}
-
-void TestNavigationManager::DidStartNavigation(NavigationHandle* handle) {
-  if (handle_ || handle->GetURL() != url_)
-    return;
-
-  if (filtering_frame_tree_node_id_ != FrameTreeNode::kFrameTreeNodeInvalidId &&
-      handle->GetFrameTreeNodeId() != filtering_frame_tree_node_id_) {
-    return;
-  }
-
-  handle_ = handle;
-  std::unique_ptr<NavigationThrottle> throttle(
-      new TestNavigationManagerThrottle(
-          handle_, base::Bind(&TestNavigationManager::OnWillStartRequest,
-                              weak_factory_.GetWeakPtr())));
-  handle_->RegisterThrottleForTesting(std::move(throttle));
-}
-
-void TestNavigationManager::DidFinishNavigation(NavigationHandle* handle) {
-  if (handle != handle_)
-    return;
-  handle_ = nullptr;
-  navigation_paused_ = false;
-  if (did_finish_loop_runner_)
-    did_finish_loop_runner_->Quit();
-}
-
-void TestNavigationManager::OnWillStartRequest() {
-  navigation_paused_ = true;
-  if (will_start_loop_runner_)
-    will_start_loop_runner_->Quit();
-
-  // If waiting for the navigation to finish, resume the navigation.
-  if (did_finish_loop_runner_)
-    ResumeNavigation();
-}
-
-void TestNavigationManager::ResumeNavigation() {
-  if (!navigation_paused_ || !handle_)
-    return;
-  navigation_paused_ = false;
-  handle_->Resume();
-}
-
 FileChooserDelegate::FileChooserDelegate(const base::FilePath& file)
       : file_(file), file_chosen_(false) {}
 
 void FileChooserDelegate::RunFileChooser(RenderFrameHost* render_frame_host,
                                          const FileChooserParams& params) {
   // Send the selected file to the renderer process.
   FileChooserFileInfo file_info;
   file_info.file_path = file_;
   std::vector<FileChooserFileInfo> files;
   files.push_back(file_info);
   render_frame_host->FilesSelectedInChooser(files, FileChooserParams::Open);
 
   file_chosen_ = true;
 }
 
 }  // namespace content