Add a killswitch for CSD malware IP match and report feature. Use a new killswitch whitelist URL wh…

chrome/browser/safe_browsing/client_side_detection_host.h

Index: chrome/browser/safe_browsing/client_side_detection_host.h
diff --git a/chrome/browser/safe_browsing/client_side_detection_host.h b/chrome/browser/safe_browsing/client_side_detection_host.h
index 73d805896571725046fee8f3549967c626559444..be933df2841c2fb49a7d984bbaed86cd84eb29bd 100644
--- a/chrome/browser/safe_browsing/client_side_detection_host.h
+++ b/chrome/browser/safe_browsing/client_side_detection_host.h
@@ -137,6 +137,10 @@ class ClientSideDetectionHost : public content::WebContentsObserver,
   int unsafe_unique_page_id_;
   scoped_ptr<SafeBrowsingUIManager::UnsafeResource> unsafe_resource_;
 
+  // Whether the malware bad IP matching killswitch is on. If the switch is on,
+  // do not do any malware IP matching and reporting.
+  bool malware_killswitch_on_;
+
   DISALLOW_COPY_AND_ASSIGN(ClientSideDetectionHost);
 };