PlzNavigate: Add a browser test for basic navigations

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 "content/browser/frame_host/frame_tree_node.h"
 #include "content/browser/frame_host/navigator.h"
 #include "content/test/test_frame_navigation_observer.h"
 #include "url/gurl.h"
 
 namespace content {
 
+TestNavigationWebContentsObserver::TestNavigationWebContentsObserver(
+    WebContents* web_contents)
+    : WebContentsObserver(web_contents), navigation_succeeded_(false) {
+}
+
+TestNavigationWebContentsObserver::~TestNavigationWebContentsObserver() {
+}
+
+void TestNavigationWebContentsObserver::DidStartProvisionalLoadForFrame(
+    RenderFrameHost* render_frame_host,
+    const GURL& validated_url,
+    bool is_error_page,
+    bool is_iframe_srcdoc) {
+  navigation_succeeded_ = false;
+}
+
+void TestNavigationWebContentsObserver::DidFailProvisionalLoad(
+    RenderFrameHost* render_frame_host,
+    const GURL& validated_url,
+    int error_code,
+    const base::string16& error_description) {
+  navigation_url_ = validated_url;
+  navigation_succeeded_ = false;
+}
+
+void TestNavigationWebContentsObserver::DidCommitProvisionalLoadForFrame(
+    RenderFrameHost* render_frame_host,
+    const GURL& url,
+    ui::PageTransition transition_type) {
+  navigation_url_ = url;
+  navigation_succeeded_ = true;
+}
+
 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();
 }
 
 }  // namespace content