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

content/browser/web_contents/test_web_contents.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_BROWSER_WEB_CONTENTS_TEST_WEB_CONTENTS_H_
 #define CONTENT_BROWSER_WEB_CONTENTS_TEST_WEB_CONTENTS_H_
 #pragma once
 
 #include "content/browser/web_contents/web_contents_impl.h"
 #include "content/public/common/page_transition_types.h"
@@ skipping 13 matching lines @@
 class TestWebContents : public WebContentsImpl, public WebContentsTester {
  public:
   TestWebContents(BrowserContext* browser_context, SiteInstance* instance);
   virtual ~TestWebContents();
 
   // WebContentsTester implementation.
   virtual void CommitPendingNavigation() OVERRIDE;
   virtual int GetNumberOfFocusCalls() OVERRIDE;
   virtual RenderViewHost* GetPendingRenderViewHost() const OVERRIDE;
   virtual void NavigateAndCommit(const GURL& url) OVERRIDE;
+  virtual void TestSetIsLoading(bool value) OVERRIDE;
   virtual void ProceedWithCrossSiteNavigation() OVERRIDE;
   virtual void TestDidNavigate(RenderViewHost* render_view_host,
                                int page_id,
                                const GURL& url,
                                PageTransition transition) OVERRIDE;
   virtual void TestDidNavigateWithReferrer(RenderViewHost* render_view_host,
                                            int page_id,
                                            const GURL& url,
                                            const Referrer& referrer,
                                            PageTransition transition) OVERRIDE;
@@ skipping 51 matching lines @@
   bool expect_set_history_length_and_prune_;
   scoped_refptr<const SiteInstanceImpl>
     expect_set_history_length_and_prune_site_instance_;
   int expect_set_history_length_and_prune_history_length_;
   int32 expect_set_history_length_and_prune_min_page_id_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_WEB_CONTENTS_TEST_WEB_CONTENTS_H_