Parse the download server response.

chrome/browser/safe_browsing/download_protection_service.cc

Index: chrome/browser/safe_browsing/download_protection_service.cc
diff --git a/chrome/browser/safe_browsing/download_protection_service.cc b/chrome/browser/safe_browsing/download_protection_service.cc
index afb797dde920be29e8f6d63643e4ee06224dfd4d..ce10f137fcff2cf52b7fa54408f52bc43352c596 100644
--- a/chrome/browser/safe_browsing/download_protection_service.cc
+++ b/chrome/browser/safe_browsing/download_protection_service.cc
@@ -186,26 +186,27 @@ class DownloadProtectionService::CheckClientDownloadRequest
             << info_.download_url_chain.back() << ": success="
             << source->GetStatus().is_success() << " response_code="
             << source->GetResponseCode();
-    DownloadCheckResultReason reason = REASON_MAX;
-    reason = REASON_SERVER_PING_FAILED;
+    DownloadCheckResultReason reason = REASON_SERVER_PING_FAILED;
+    DownloadCheckResult result = SAFE;
     if (source->GetStatus().is_success() &&
         RC_REQUEST_OK == source->GetResponseCode()) {
+      ClientDownloadResponse response;
       std::string data;
-      source->GetResponseAsString(&data);
-      if (data.size() > 0) {
-        // For now no matter what we'll always say the download is safe.
-        // TODO(noelutz): Parse the response body to see exactly what's going
-        // on.
+      bool got_data = source->GetResponseAsString(&data);
+      DCHECK(got_data);
+      if (!response.ParseFromString(data)) {
         reason = REASON_INVALID_RESPONSE_PROTO;
+      } else if (response.verdict() == ClientDownloadResponse::DANGEROUS) {
+        reason = REASON_DOWNLOAD_DANGEROUS;
+        result = DANGEROUS;
+      } else {
+        reason = REASON_DOWNLOAD_SAFE;
       }
     }
-
-    if (reason != REASON_MAX) {
-      RecordStats(reason);
-    }
     // We don't need the fetcher anymore.
     fetcher_.reset();
-    FinishRequest(SAFE);
+    RecordStats(reason);
+    FinishRequest(result);
   }
 
  private: