Add SafeBrowsing support for checking downloaded zip files that contain executables.

chrome/browser/safe_browsing/download_protection_service.h

Index: chrome/browser/safe_browsing/download_protection_service.h
diff --git a/chrome/browser/safe_browsing/download_protection_service.h b/chrome/browser/safe_browsing/download_protection_service.h
index 4a5102147e457f8fd1934e3912051c2ccc32a6ee..7509e19a072c40299ef93b37b1c1807535f29e1d 100644
--- a/chrome/browser/safe_browsing/download_protection_service.h
+++ b/chrome/browser/safe_browsing/download_protection_service.h
@@ -49,6 +49,7 @@ class DownloadProtectionService {
     int64 total_bytes;
     bool user_initiated;
     std::string remote_address;
+    bool zipped_executable;
     DownloadInfo();
     ~DownloadInfo();
     std::string DebugString() const;
@@ -137,6 +138,7 @@ class DownloadProtectionService {
     REASON_DOWNLOAD_UNCOMMON,
     REASON_DOWNLOAD_NOT_SUPPORTED,
     REASON_INVALID_RESPONSE_VERDICT,
+    REASON_ARCHIVE_WITHOUT_BINARIES,
     REASON_MAX  // Always add new values before this one.
   };
 
@@ -148,6 +150,8 @@ class DownloadProtectionService {
   FRIEND_TEST_ALL_PREFIXES(DownloadProtectionServiceTest,
                            CheckClientDownloadSuccess);
   FRIEND_TEST_ALL_PREFIXES(DownloadProtectionServiceTest,
+                           CheckClientDownloadZip);
+  FRIEND_TEST_ALL_PREFIXES(DownloadProtectionServiceTest,
                            CheckClientDownloadFetchFailed);
   FRIEND_TEST_ALL_PREFIXES(DownloadProtectionServiceTest,
                            TestDownloadRequestTimeout);