Be more lenient about inspecting/pinging on invalid downloaded .zip's

chrome/common/safe_browsing/csd.proto

Index: chrome/common/safe_browsing/csd.proto
diff --git a/chrome/common/safe_browsing/csd.proto b/chrome/common/safe_browsing/csd.proto
index 9c9f8deaf49e808b7cd734d558df1e8a44cee08f..a89533c9088fdcda29c6266ced7e179c38bc9f32 100644
--- a/chrome/common/safe_browsing/csd.proto
+++ b/chrome/common/safe_browsing/csd.proto
@@ -275,6 +275,11 @@ message ClientDownloadRequest {
     MAC_EXECUTABLE = 4;  // .dmg, .pkg, etc.
     ZIPPED_ARCHIVE = 5;  // .zip file containing another archive.
     ARCHIVE = 6;         // Archive that doesn't have a specific DownloadType.
+    // A .zip that Chrome failed to unpack to the point of finding exe/zips.
+    INVALID_ZIP = 7;
+    // A .dmg, .pkg, etc, that Chrome failed to unpack to the point of finding
+    // Mach O's.
+    INVALID_MAC_ARCHIVE = 8;
   }
   optional DownloadType download_type = 10 [default = WIN_EXECUTABLE];
 
@@ -350,6 +355,9 @@ message ClientDownloadRequest {
 
   // Population that the reporting user is part of.
   optional ChromeUserPopulation population = 24;
+
+  // True if the .zip or DMG, etc, was 100% successfully unpacked.
+  optional bool archive_valid = 26;
 }
 
 message ClientDownloadResponse {
@@ -746,4 +754,4 @@ message ClientSafeBrowsingReportRequest {
 
   // Whether user visited this origin before.
   optional bool repeat_visit = 9;
-}
+}