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

chrome/browser/safe_browsing/safe_browsing_blocking_page.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.
 //
 // Implementation of the SafeBrowsingBlockingPage class.
 
 #include "chrome/browser/safe_browsing/safe_browsing_blocking_page.h"
 
 #include <string>
 
@@ skipping 109 matching lines @@
         &SafeBrowsingBlockingPage::kTypeForTesting;
 
 SafeBrowsingBlockingPage::SafeBrowsingBlockingPage(
     SafeBrowsingUIManager* ui_manager,
     WebContents* web_contents,
     const UnsafeResourceList& unsafe_resources)
     : SecurityInterstitialPage(web_contents, unsafe_resources[0].url),
       malware_details_proceed_delay_ms_(
           kMalwareDetailsProceedDelayMilliSeconds),
       ui_manager_(ui_manager),
-      report_loop_(NULL),
       is_main_frame_load_blocked_(IsMainPageLoadBlocked(unsafe_resources)),
       unsafe_resources_(unsafe_resources),
       proceeded_(false) {
   bool malware = false;
   bool harmful = false;
   bool phishing = false;
   for (UnsafeResourceList::const_iterator iter = unsafe_resources_.begin();
        iter != unsafe_resources_.end(); ++iter) {
     const UnsafeResource& resource = *iter;
     SBThreatType threat_type = resource.threat_type;
@@ skipping 495 matching lines @@
   load_time_data->SetString(
       "explanationParagraph",
       l10n_util::GetStringFUTF16(IDS_PHISHING_V3_EXPLANATION_PARAGRAPH,
                                  GetFormattedHostName()));
   load_time_data->SetString(
       "finalParagraph",
       l10n_util::GetStringUTF16(IDS_PHISHING_V3_PROCEED_PARAGRAPH));
 
   PopulateExtendedReportingOption(load_time_data);
 }