Reland of Add a NavigationThrottle to the public content/ interface

content/test/web_contents_observer_sanity_checker.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/web_contents_observer_sanity_checker.h"
 
 #include "base/strings/stringprintf.h"
 #include "content/browser/frame_host/render_frame_host_impl.h"
 #include "content/common/frame_messages.h"
 #include "content/public/browser/navigation_handle.h"
@@ skipping 111 matching lines @@
 }
 
 void WebContentsObserverSanityChecker::DidStartNavigation(
     NavigationHandle* navigation_handle) {
   CHECK(!NavigationIsOngoing(navigation_handle));
   CHECK(!NavigationIsOngoingAndCommitted(navigation_handle));
 
   CHECK(navigation_handle->GetNetErrorCode() == net::OK);
   CHECK(!navigation_handle->HasCommittedDocument());
   CHECK(!navigation_handle->HasCommittedErrorPage());
+  CHECK_EQ(navigation_handle->GetWebContents(), web_contents());
 
   ongoing_navigations_.insert(navigation_handle);
 }
 
 void WebContentsObserverSanityChecker::DidRedirectNavigation(
     NavigationHandle* navigation_handle) {
   CHECK(NavigationIsOngoing(navigation_handle));
   CHECK(!NavigationIsOngoingAndCommitted(navigation_handle));
 
   CHECK(navigation_handle->GetNetErrorCode() == net::OK);
   CHECK(!navigation_handle->HasCommittedDocument());
   CHECK(!navigation_handle->HasCommittedErrorPage());
+  CHECK_EQ(navigation_handle->GetWebContents(), web_contents());
 }
 
 void WebContentsObserverSanityChecker::ReadyToCommitNavigation(
     NavigationHandle* navigation_handle) {
   CHECK(NavigationIsOngoing(navigation_handle));
   CHECK(!NavigationIsOngoingAndCommitted(navigation_handle));
 
   CHECK(!navigation_handle->HasCommittedDocument());
   CHECK(!navigation_handle->HasCommittedErrorPage());
 }
 
 void WebContentsObserverSanityChecker::DidCommitNavigation(
     NavigationHandle* navigation_handle) {
   CHECK(NavigationIsOngoing(navigation_handle));
   CHECK(!NavigationIsOngoingAndCommitted(navigation_handle));
 
   CHECK_NE(navigation_handle->HasCommittedDocument(),
            navigation_handle->HasCommittedErrorPage());
   CHECK_IMPLIES(navigation_handle->HasCommittedDocument(),
                 navigation_handle->GetNetErrorCode() == net::OK);
   CHECK_IMPLIES(navigation_handle->HasCommittedErrorPage(),
                 navigation_handle->GetNetErrorCode() != net::OK);
+  CHECK_EQ(navigation_handle->GetWebContents(), web_contents());
 
   ongoing_committed_navigations_.insert(navigation_handle);
 }
 
 void WebContentsObserverSanityChecker::DidFinishNavigation(
     NavigationHandle* navigation_handle) {
   CHECK(NavigationIsOngoing(navigation_handle));
 
   CHECK_IMPLIES(NavigationIsOngoingAndCommitted(navigation_handle),
                 navigation_handle->HasCommittedDocument() !=
                     navigation_handle->HasCommittedErrorPage());
   CHECK_IMPLIES(navigation_handle->HasCommittedDocument(),
                 navigation_handle->GetNetErrorCode() == net::OK);
   CHECK_IMPLIES(navigation_handle->HasCommittedErrorPage(),
                 navigation_handle->GetNetErrorCode() != net::OK);
+  CHECK_EQ(navigation_handle->GetWebContents(), web_contents());
 
   if (NavigationIsOngoingAndCommitted(navigation_handle))
     ongoing_committed_navigations_.erase(navigation_handle);
 
   ongoing_navigations_.erase(navigation_handle);
 }
 
 void WebContentsObserverSanityChecker::DidStartProvisionalLoadForFrame(
     RenderFrameHost* render_frame_host,
     const GURL& validated_url,
@@ skipping 149 matching lines @@
   return it != ongoing_navigations_.end();
 }
 
 bool WebContentsObserverSanityChecker::NavigationIsOngoingAndCommitted(
     NavigationHandle* navigation_handle) {
   auto it = ongoing_committed_navigations_.find(navigation_handle);
   return it != ongoing_committed_navigations_.end();
 }
 
 }  // namespace content