Revert 107528 - Collect some histograms about signed binary downloads.

chrome/browser/download/chrome_download_manager_delegate.cc

Index: chrome/browser/download/chrome_download_manager_delegate.cc
===================================================================
--- chrome/browser/download/chrome_download_manager_delegate.cc	(revision 107537)
+++ chrome/browser/download/chrome_download_manager_delegate.cc	(working copy)
@@ -156,27 +156,8 @@
 }
 
 bool ChromeDownloadManagerDelegate::ShouldCompleteDownload(DownloadItem* item) {
-  if (!IsExtensionDownload(item)) {
-#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() &&
-        profile_->GetPrefs()->GetBoolean(prefs::kSafeBrowsingEnabled)) {
-      using safe_browsing::DownloadProtectionService;
-      sb_service->download_protection_service()->CheckClientDownload(
-          DownloadProtectionService::DownloadInfo::FromDownloadItem(*item),
-          base::Bind(
-              &ChromeDownloadManagerDelegate::CheckClientDownloadDone,
-              this, item->id()));
-      // For now, we won't delay the download for this.
-    }
-#else
-    // Assume safe.
-#endif
-
+  if (!IsExtensionDownload(item))
     return true;
-  }
 
   scoped_refptr<CrxInstaller> crx_installer =
       download_crx_util::OpenChromeExtension(profile_, *item);
@@ -246,12 +227,6 @@
   download_history_->UpdateDownloadPath(item, new_path);
 }
 
-void ChromeDownloadManagerDelegate::CheckClientDownloadDone(
-    int32 download_id,
-    safe_browsing::DownloadProtectionService::DownloadCheckResult result) {
-  // TODO(bryner): notify the user based on this result
-}
-
 void ChromeDownloadManagerDelegate::RemoveItemFromPersistentStore(
     DownloadItem* item) {
   download_history_->RemoveEntry(item);