PlzNavigate: Add a browser test for basic navigations

content/public/test/test_navigation_observer.h

 // Copyright (c) 2012 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.
 
 #ifndef CONTENT_PUBLIC_TEST_TEST_NAVIGATION_OBSERVER_H_
 #define CONTENT_PUBLIC_TEST_TEST_NAVIGATION_OBSERVER_H_
 
 #include <set>
 
 #include "base/callback.h"
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "content/public/test/test_utils.h"
+#include "ui/base/page_transition_types.h"
+#include "url/gurl.h"
 
 namespace content {
+class RenderFrameHost;
 class WebContents;
 struct LoadCommittedDetails;
 
 // For browser_tests, which run on the UI thread, run a second
 // MessageLoop and quit when the navigation completes loading.
 class TestNavigationObserver {
  public:
   // Create and register a new TestNavigationObserver against the
   // |web_contents|.
   TestNavigationObserver(WebContents* web_contents,
                          int number_of_navigations);
   // Like above but waits for one navigation.
   explicit TestNavigationObserver(WebContents* web_contents);
 
   virtual ~TestNavigationObserver();
 
   // Runs a nested message loop and blocks until the expected number of
   // navigations are complete.
   void Wait();
 
   // Start/stop watching newly created WebContents.
   void StartWatchingNewWebContents();
   void StopWatchingNewWebContents();
 
+  const GURL& last_navigation_url() const { return last_navigation_url_; }
+
+  int last_navigation_succeeded() const { return last_navigation_succeeded_; }
+
  protected:
   // Register this TestNavigationObserver as an observer of the |web_contents|.
   void RegisterAsObserver(WebContents* web_contents);
 
  private:
   class TestWebContentsObserver;
 
   // Callbacks for WebContents-related events.
   void OnWebContentsCreated(WebContents* web_contents);
   void OnWebContentsDestroyed(TestWebContentsObserver* observer,
                               WebContents* web_contents);
   void OnNavigationEntryCommitted(
       TestWebContentsObserver* observer,
       WebContents* web_contents,
       const LoadCommittedDetails& load_details);
   void OnDidAttachInterstitialPage(WebContents* web_contents);
   void OnDidStartLoading(WebContents* web_contents);
   void OnDidStopLoading(WebContents* web_contents);
+  void OnDidStartProvisionalLoadForFrame(RenderFrameHost* render_frame_host,
+                                         const GURL& validated_url,
+                                         bool is_error_page,
+                                         bool is_iframe_srcdoc);
+  void OnDidFailProvisionalLoad(RenderFrameHost* render_frame_host,
+                                const GURL& validated_url,
+                                int error_code,
+                                const base::string16& error_description);
+  void OnDidCommitProvisionalLoadForFrame(RenderFrameHost* render_frame_host,
+                                          const GURL& url,
+                                          ui::PageTransition transition_type);
 
   // If true the navigation has started.
   bool navigation_started_;
 
   // The number of navigations that have been completed.
   int navigations_completed_;
 
   // The number of navigations to wait for.
   int number_of_navigations_;
 
+  // The url of the navigation that last committed.
+  GURL last_navigation_url_;
+
+  // True if the last navigation succeeded.
+  bool last_navigation_succeeded_;
+
   // The MessageLoopRunner used to spin the message loop.
   scoped_refptr<MessageLoopRunner> message_loop_runner_;
 
   // Callback invoked on WebContents creation.
   base::Callback<void(WebContents*)> web_contents_created_callback_;
 
   // Living TestWebContentsObservers created by this observer.
   std::set<TestWebContentsObserver*> web_contents_observers_;
 
   DISALLOW_COPY_AND_ASSIGN(TestNavigationObserver);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_TEST_TEST_NAVIGATION_OBSERVER_H_