Validate that zip entry filenames are UTF8.

chrome/browser/safe_browsing/download_protection_service.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/safe_browsing/download_protection_service.h"
 
 #include "base/bind.h"
 #include "base/compiler_specific.h"
 #include "base/format_macros.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 572 matching lines @@
 
   void OnZipAnalysisFinished(const zip_analyzer::Results& results) {
     DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
     if (!service_)
       return;
     if (results.success) {
       zipped_executable_ = results.has_executable;
       archived_binary_.CopyFrom(results.archived_binary);
       DVLOG(1) << "Zip analysis finished for " << item_->GetFullPath().value()
                << ", has_executable=" << results.has_executable
-               << " has_archive=" << results.has_archive;
+               << " has_archive=" << results.has_archive
+               << " has_unsafe_file=" << results.has_unsafe_file;
+      UMA_HISTOGRAM_BOOLEAN("SBClientDownload.ZipFileHasUnsafeFile",
+                            results.has_unsafe_file);
     } else {
       DVLOG(1) << "Zip analysis failed for " << item_->GetFullPath().value();
     }
     UMA_HISTOGRAM_BOOLEAN("SBClientDownload.ZipFileHasExecutable",
                           zipped_executable_);
     UMA_HISTOGRAM_BOOLEAN("SBClientDownload.ZipFileHasArchiveButNoExecutable",
                           results.has_archive && !zipped_executable_);
     UMA_HISTOGRAM_TIMES("SBClientDownload.ExtractZipFeaturesTime",
                         base::TimeTicks::Now() - zip_analysis_start_time_);
 
@@ skipping 536 matching lines @@
 GURL DownloadProtectionService::GetDownloadRequestUrl() {
   GURL url(kDownloadRequestUrl);
   std::string api_key = google_apis::GetAPIKey();
   if (!api_key.empty())
     url = url.Resolve("?key=" + net::EscapeQueryParamValue(api_key, true));
 
   return url;
 }
 
 }  // namespace safe_browsing