[Safe Browsing] Only check main frame and iframe URLs on Mobile, for speed.

chrome/browser/safe_browsing/safe_browsing_blocking_page_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 creates a fake safebrowsing service, where we can inject known-
 // threat urls.  It then uses a real browser to go to these urls, and sends
 // "goback" or "proceed" commands and verifies they work.
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 84 matching lines @@
         safe_browsing_util::MALWARE,
         expected_threats);
     sb_check.url_results[0] = badurls[gurl.spec()];
     sb_check.OnSafeBrowsingResult();
   }
 
   void SetURLThreatType(const GURL& url, SBThreatType threat_type) {
     badurls[url.spec()] = threat_type;
   }
 
+  // These are called when checking URLs, so we implement them.
+  bool IsSupported() const override { return true; }
+  bool ChecksAreAlwaysAsync() const override { return false; }
+  bool CanCheckResourceType(
+      content::ResourceType /* resource_type */) const override {
+    return true;
+  }
+
   // Called during startup, so must not check-fail.
   bool CheckExtensionIDs(const std::set<std::string>& extension_ids,
                          Client* client) override {
     return true;
   }
 
  private:
   ~FakeSafeBrowsingDatabaseManager() override {}
 
   base::hash_map<std::string, SBThreatType> badurls;
@@ skipping 898 matching lines @@
 IN_PROC_BROWSER_TEST_P(SafeBrowsingBlockingPageIDNTest,
                        SafeBrowsingBlockingPageDecodesIDN) {
   EXPECT_TRUE(VerifyIDNDecoded());
 }
 
 INSTANTIATE_TEST_CASE_P(SafeBrowsingBlockingPageIDNTestWithThreatType,
                         SafeBrowsingBlockingPageIDNTest,
                         testing::Values(SB_THREAT_TYPE_URL_MALWARE,
                                         SB_THREAT_TYPE_URL_PHISHING,
                                         SB_THREAT_TYPE_URL_UNWANTED));