Wireup SafeBrowsingNavigationObserverManager to help PPAPI download attribution

chrome/test/ppapi/ppapi_filechooser_browsertest.cc

 // Copyright 2015 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 <map>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/files/file_util.h"
@@ skipping 149 matching lines @@
 };
 
 class FakeDownloadProtectionService : public DownloadProtectionService {
  public:
   explicit FakeDownloadProtectionService(
       const SafeBrowsingTestConfiguration* test_config)
       : DownloadProtectionService(nullptr), test_configuration_(test_config) {}
 
   void CheckPPAPIDownloadRequest(
       const GURL& requestor_url,
+      const GURL& initiating_frame_url_unused,
+      content::WebContents* web_contents_unused,
       const base::FilePath& default_file_path,
       const std::vector<base::FilePath::StringType>& alternate_extensions,
       Profile* /* profile */,
       const CheckDownloadCallback& callback) override {
     const auto iter =
         test_configuration_->result_map.find(default_file_path.Extension());
     if (iter != test_configuration_->result_map.end()) {
       callback.Run(iter->second);
       return;
     }
@@ skipping 258 matching lines @@
       std::make_pair(base::FilePath::StringType(FILE_PATH_LITERAL(".exe")),
                      DownloadProtectionService::DANGEROUS));
 
   TestSelectFileDialogFactory test_dialog_factory(
       TestSelectFileDialogFactory::NOT_REACHED,
       TestSelectFileDialogFactory::SelectedFileInfoList());
   RunTestViaHTTP("FileChooser_SaveAsDangerousExtensionListDisallowed");
 }
 
 #endif  // FULL_SAFE_BROWSING