Increase safebrowsing download check timeout.

BUG=378911

Review URL: https://codereview.chromium.org/306923005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@273788 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/safe_browsing/download_protection_service.cc

@@ -47,7 +47,7 @@
 using content::BrowserThread;
 
 namespace {
-static const int64 kDownloadRequestTimeoutMs = 3000;
+static const int64 kDownloadRequestTimeoutMs = 7000;
 }  // namespace
 
 namespace safe_browsing {