Add support to sha256 hash the downloaded file....

chrome/browser/browser_process_impl.cc

 // 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.
 
 #include "chrome/browser/browser_process_impl.h"
 
 #include <map>
 
 #include "app/clipboard/clipboard.h"
 #include "app/l10n_util.h"
@@ skipping 788 matching lines @@
       profile && profile->GetRequestContext()) {
     safe_browsing_detection_service_.reset(
         safe_browsing::ClientSideDetectionService::Create(
             model_file_path.Append(chrome::kSafeBrowsingPhishingModelFilename),
             profile->GetRequestContext()));
   }
 }
 
 bool BrowserProcessImpl::IsSafeBrowsingDetectionServiceEnabled() {
   // The safe browsing client-side detection is enabled only if the switch is
-  // enabled, the user has opted in to UMA usage stats and SafeBrowsing
-  // is enabled.
-  Profile* profile = profile_manager() ?
-      profile_manager()->GetDefaultProfile() : NULL;
-  return (CommandLine::ForCurrentProcess()->HasSwitch(
-              switches::kEnableClientSidePhishingDetection) &&
-          metrics_service() && metrics_service()->reporting_active() &&
-          profile && profile->GetPrefs() &&
-          profile->GetPrefs()->GetBoolean(prefs::kSafeBrowsingEnabled));
+  // enabled and when safe browsing related stats is allowed to be collected.
+  return CommandLine::ForCurrentProcess()->HasSwitch(
+      switches::kEnableClientSidePhishingDetection) &&
+      resource_dispatcher_host()->safe_browsing_service() &&
+      resource_dispatcher_host()->safe_browsing_service()->CanReportStats();
 }
 
 // The BrowserProcess object must outlive the file thread so we use traits
 // which don't do any management.
 DISABLE_RUNNABLE_METHOD_REFCOUNT(BrowserProcessImpl);
 
 #if defined(IPC_MESSAGE_LOG_ENABLED)
 
 void BrowserProcessImpl::SetIPCLoggingEnabled(bool enable) {
   // First enable myself.
@@ skipping 94 matching lines @@
 }
 
 void BrowserProcessImpl::OnAutoupdateTimer() {
   if (CanAutorestartForUpdate()) {
     DLOG(WARNING) << "Detected update.  Restarting browser.";
     RestartPersistentInstance();
   }
 }
 
 #endif  // (defined(OS_WIN) || defined(OS_LINUX)) && !defined(OS_CHROMEOS)