Collect some histograms about signed binary downloads.

chrome/browser/download/chrome_download_manager_delegate.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/download/chrome_download_manager_delegate.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/callback.h"
 #include "base/file_util.h"
@@ skipping 207 matching lines @@
 
 void ChromeDownloadManagerDelegate::UpdateItemInPersistentStore(
     DownloadItem* item) {
   download_history_->UpdateEntry(item);
 }
 
 void ChromeDownloadManagerDelegate::UpdatePathForItemInPersistentStore(
     DownloadItem* item,
     const FilePath& new_path) {
   download_history_->UpdateDownloadPath(item, new_path);
+
+#if defined(ENABLE_SAFE_BROWSING)
+  // Begin the safe browsing download protection check.
+  SafeBrowsingService* sb_service = g_browser_process->safe_browsing_service();
+  if (sb_service && sb_service->download_protection_service()) {
+    using safe_browsing::DownloadProtectionService;
+    sb_service->download_protection_service()->CheckClientDownload(
+        DownloadProtectionService::DownloadInfo::FromDownloadItem(*item),
+        base::Bind(&ChromeDownloadManagerDelegate::CheckClientDownloadDone,
+                   this));
+  }
+#else
+  // Assume safe.
+  CheckClientDownloadDone(safe_browsing::DownloadProtectionService::SAFE);
+#endif
+}
+
+void ChromeDownloadManagerDelegate::CheckClientDownloadDone(
+    safe_browsing::DownloadProtectionService::DownloadCheckResult result) {
+  // TODO(bryner): notify the user based on this result
 }
 
 void ChromeDownloadManagerDelegate::RemoveItemFromPersistentStore(
     DownloadItem* item) {
   download_history_->RemoveEntry(item);
 }
 
 void ChromeDownloadManagerDelegate::RemoveItemsFromPersistentStoreBetween(
     const base::Time remove_begin,
     const base::Time remove_end) {
@@ skipping 302 matching lines @@
 // TODO(noelutz): This function currently works as a callback place holder.
 // Once we decide the hash check is reliable, we could move the
 // MaybeCompleteDownload in OnAllDataSaved to this function.
 void ChromeDownloadManagerDelegate::CheckDownloadHashDone(
     int32 download_id,
     bool is_dangerous_hash) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   DVLOG(1) << "CheckDownloadHashDone, download_id: " << download_id
            << " is dangerous_hash: " << is_dangerous_hash;
 }