Add a method to WebContentsTester to set the loading state of the

content/browser/web_contents/test_web_contents.cc

 // 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.
 
 #include "content/browser/web_contents/test_web_contents.h"
 
 #include <utility>
 
 #include "content/browser/browser_url_handler_impl.h"
 #include "content/browser/renderer_host/render_view_host_impl.h"
@@ skipping 97 matching lines @@
   GURL loaded_url(url);
   bool reverse_on_redirect = false;
   BrowserURLHandlerImpl::GetInstance()->RewriteURLIfNecessary(
       &loaded_url, GetBrowserContext(), &reverse_on_redirect);
 
   // LoadURL created a navigation entry, now simulate the RenderView sending
   // a notification that it actually navigated.
   CommitPendingNavigation();
 }
 
+void TestWebContents::TestSetIsLoading(bool value) {
+  SetIsLoading(value, NULL);
+}
+
 void TestWebContents::CommitPendingNavigation() {
   // If we are doing a cross-site navigation, this simulates the current RVH
   // notifying that it has unloaded so the pending RVH is resumed and can
   // navigate.
   ProceedWithCrossSiteNavigation();
   RenderViewHost* old_rvh = render_manager_.current_host();
   TestRenderViewHost* rvh =
       static_cast<TestRenderViewHost*>(GetPendingRenderViewHost());
   if (!rvh)
     rvh = static_cast<TestRenderViewHost*>(old_rvh);
@@ skipping 56 matching lines @@
     int32 min_page_id) {
   EXPECT_TRUE(expect_set_history_length_and_prune_);
   expect_set_history_length_and_prune_ = false;
   EXPECT_EQ(expect_set_history_length_and_prune_site_instance_, site_instance);
   EXPECT_EQ(expect_set_history_length_and_prune_history_length_,
             history_length);
   EXPECT_EQ(expect_set_history_length_and_prune_min_page_id_, min_page_id);
 }
 
 }  // namespace content