Cleanup: Remove unused variables in chrome/ found by Scythe.

chrome/browser/safe_browsing/safe_browsing_blocking_page.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.
 //
 // Classes for managing the SafeBrowsing interstitial pages.
 //
 // When a user is about to visit a page the SafeBrowsing system has deemed to
 // be malicious, either as malware or a phishing page, we show an interstitial
 // page with some options (go back, continue) to give the user a chance to avoid
 // the harmful page.
@@ skipping 126 matching lines @@
 
   // Returns true if the passed |unsafe_resources| is blocking the load of
   // the main page.
   static bool IsMainPageLoadBlocked(
       const UnsafeResourceList& unsafe_resources);
 
   friend class SafeBrowsingBlockingPageFactoryImpl;
 
   // For reporting back user actions.
   SafeBrowsingUIManager* ui_manager_;
-  base::MessageLoop* report_loop_;
 
   // True if the interstitial is blocking the main page because it is on one
   // of our lists.  False if a subresource is being blocked, or in the case of
   // client-side detection where the interstitial is shown after page load
   // finishes.
   bool is_main_frame_load_blocked_;
 
   // The index of a navigation entry that should be removed when DontProceed()
   // is invoked, -1 if not entry should be removed.
   int navigation_entry_index_to_remove_;
@@ skipping 39 matching lines @@
  public:
   virtual ~SafeBrowsingBlockingPageFactory() { }
 
   virtual SafeBrowsingBlockingPage* CreateSafeBrowsingPage(
       SafeBrowsingUIManager* ui_manager,
       content::WebContents* web_contents,
       const SafeBrowsingBlockingPage::UnsafeResourceList& unsafe_resources) = 0;
 };
 
 #endif  // CHROME_BROWSER_SAFE_BROWSING_SAFE_BROWSING_BLOCKING_PAGE_H_