Only send the client-side phishing model to a renderer if its profile has SafeBrowsing enabled.

chrome/browser/safe_browsing/client_side_detection_service.h

 // Copyright (c) 2011 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.
 //
 // Helper class which handles communication with the SafeBrowsing backends for
 // client-side phishing detection.  This class is used to fetch the client-side
 // model and send it to all renderers.  This class is also used to send a ping
 // back to Google to verify if a particular site is really phishing or not.
 //
 // This class is not thread-safe and expects all calls to be made on the UI
@@ skipping 43 matching lines @@
 
 class ClientSideDetectionService : public URLFetcher::Delegate,
                                    public NotificationObserver {
  public:
   typedef Callback2<GURL /* phishing URL */, bool /* is phishing */>::Type
       ClientReportPhishingRequestCallback;
 
   virtual ~ClientSideDetectionService();
 
   // Creates a client-side detection service.  The service is initially
-  // disabled, use SetEnabled() to start it.  The caller takes ownership of the
-  // object.  This function may return NULL.
+  // disabled, use SetEnabledAndRefreshState() to start it.  The caller takes
+  // ownership of the object.  This function may return NULL.
   static ClientSideDetectionService* Create(
       net::URLRequestContextGetter* request_context_getter);
 
-  // Enables or disables the service.  This is usually called by the
-  // SafeBrowsingService, which tracks whether any profile uses these services
-  // at all.  Disabling cancels any pending requests; existing
-  // ClientSideDetectionHosts will have their callbacks called with "false"
-  // verdicts.  Enabling starts downloading the model after a delay.
-  void SetEnabled(bool enabled);
+  // Enables or disables the service, and refreshes the state of all renderers.
+  // This is usually called by the SafeBrowsingService, which tracks whether
+  // any profile uses these services at all.  Disabling cancels any pending
+  // requests; existing ClientSideDetectionHosts will have their callbacks
+  // called with "false" verdicts.  Enabling starts downloading the model after
+  // a delay.  In all cases, each render process is updated to match the state
+  // of the SafeBrowsing preference for that profile.
+  void SetEnabledAndRefreshState(bool enabled);
 
   bool enabled() const {
     return enabled_;
   }
 
   // From the URLFetcher::Delegate interface.
   virtual void OnURLFetchComplete(const URLFetcher* source,
                                   const GURL& url,
                                   const net::URLRequestStatus& status,
                                   int response_code,
@@ skipping 72 matching lines @@
 
   // This method is called when we're done fetching the model either because
   // we hit an error somewhere or because we're actually done fetch and
   // validating the model.
   virtual void EndFetchModel(ClientModelStatus status);  // Virtual for testing.
 
  private:
   friend class ClientSideDetectionServiceTest;
   FRIEND_TEST_ALL_PREFIXES(ClientSideDetectionServiceTest, FetchModelTest);
   FRIEND_TEST_ALL_PREFIXES(ClientSideDetectionServiceTest, SetBadSubnets);
-  FRIEND_TEST_ALL_PREFIXES(ClientSideDetectionServiceTest, SetEnabled);
+  FRIEND_TEST_ALL_PREFIXES(ClientSideDetectionServiceTest,
+                           SetEnabledAndRefreshState);
   FRIEND_TEST_ALL_PREFIXES(ClientSideDetectionServiceTest, IsBadIpAddress);
   FRIEND_TEST_ALL_PREFIXES(ClientSideDetectionServiceTest,
                            IsFalsePositiveResponse);
   FRIEND_TEST_ALL_PREFIXES(ClientSideDetectionServiceTest,
                            ModelHasValidHashIds);
 
   // CacheState holds all information necessary to respond to a caller without
   // actually making a HTTP request.
   struct CacheState {
     bool is_phishing;
@@ skipping 120 matching lines @@
   // this map to speed up lookups.
   BadSubnetMap bad_subnets_;
 
   NotificationRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(ClientSideDetectionService);
 };
 }  // namepsace safe_browsing
 
 #endif  // CHROME_BROWSER_SAFE_BROWSING_CLIENT_SIDE_DETECTION_SERVICE_H_