Switch Safe Browsing's metadata from string to struct.

chrome/browser/safe_browsing/safe_browsing_test.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.
 //
 // This test uses the safebrowsing test server published at
 // http://code.google.com/p/google-safe-browsing/ to test the safebrowsing
 // protocol implemetation. Details of the safebrowsing testing flow is
 // documented at
 // http://code.google.com/p/google-safe-browsing/wiki/ProtocolTesting
 //
@@ skipping 337 matching lines @@
   SafeBrowsingServerTestHelper(SafeBrowsingServerTest* safe_browsing_test,
                                net::URLRequestContextGetter* request_context)
       : safe_browsing_test_(safe_browsing_test),
         response_status_(net::URLRequestStatus::FAILED),
         request_context_(request_context) {
   }
 
   // Callbacks for SafeBrowsingDatabaseManager::Client.
   void OnCheckBrowseUrlResult(const GURL& url,
                               SBThreatType threat_type,
-                              const std::string& metadata) override {
+                              const ThreatMetadata& metadata) override {
     EXPECT_TRUE(BrowserThread::CurrentlyOn(BrowserThread::IO));
     EXPECT_TRUE(safe_browsing_test_->is_checked_url_in_db());
     safe_browsing_test_->set_is_checked_url_safe(
         threat_type == SB_THREAT_TYPE_SAFE);
     BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
         base::Bind(&SafeBrowsingServerTestHelper::OnCheckUrlDone, this));
   }
 
   virtual void OnBlockingPageComplete(bool proceed) {
     NOTREACHED() << "Not implemented.";
@@ skipping 213 matching lines @@
   }
 
   // Verifies with server if test is done and waits till server responses.
   EXPECT_EQ(net::URLRequestStatus::SUCCESS,
             safe_browsing_helper->VerifyTestComplete(spawned_test_server(),
                                                      last_step));
   EXPECT_EQ("yes", safe_browsing_helper->response_data());
 }
 
 }  // namespace safe_browsing