[NOT FOR LANDING] Detailed loading traces

components/safe_browsing_db/util.cc

 // Copyright (c) 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 "components/safe_browsing_db/util.h"
 
 #include <stddef.h>
 
+#include "base/trace_event/trace_event.h"
 #include "base/macros.h"
 #include "base/strings/string_util.h"
 #include "base/trace_event/trace_event.h"
 #include "crypto/sha2.h"
 #include "net/base/escape.h"
 #include "url/gurl.h"
 #include "url/url_util.h"
 
 namespace safe_browsing {
 
@@ skipping 291 matching lines @@
   }
   if (canonicalized_query && final_parsed.query.len > 0) {
     *canonicalized_query = escaped_canon_url_str.substr(
         final_parsed.query.begin, final_parsed.query.len);
   }
 }
 
 void UrlToFullHashes(const GURL& url,
                      bool include_whitelist_hashes,
                      std::vector<SBFullHash>* full_hashes) {
+  TRACE_EVENT0("toplevel", "UrlToFullHashes");
   // Include this function in traces because it's not cheap so it should be
   // called sparingly.
   TRACE_EVENT2("loader", "safe_browsing::UrlToFullHashes", "url", url.spec(),
                "include_whitelist_hashes", include_whitelist_hashes);
   std::vector<std::string> hosts;
   if (url.HostIsIPAddress()) {
     hosts.push_back(url.host());
   } else {
     GenerateHostsToCheck(url, &hosts);
   }
@@ skipping 12 matching lines @@
       if (include_whitelist_hashes && path.size() > 1 &&
           path[path.size() - 1] == '/') {
         full_hashes->push_back(SBFullHashForString(
             host + path.substr(0, path.size() - 1)));
       }
     }
   }
 }
 
 void GenerateHostsToCheck(const GURL& url, std::vector<std::string>* hosts) {
+  TRACE_EVENT0("toplevel", "GenerateHostsToCheck");
+
   hosts->clear();
 
   std::string canon_host;
   CanonicalizeUrl(url, &canon_host, NULL, NULL);
 
   const std::string host = canon_host;  // const sidesteps GCC bugs below!
   if (host.empty())
     return;
 
   // Per the Safe Browsing Protocol v2 spec, we try the host, and also up to 4
@@ skipping 17 matching lines @@
       if (skipped_last_component)
         hosts->push_back(std::string(i.base(), host.end()));
       else
         skipped_last_component = true;
     }
   }
   hosts->push_back(host);
 }
 
 void GeneratePathsToCheck(const GURL& url, std::vector<std::string>* paths) {
+  TRACE_EVENT0("toplevel", "GeneratePathsToCheck");
+
   paths->clear();
 
   std::string canon_path;
   std::string canon_query;
   CanonicalizeUrl(url, NULL, &canon_path, &canon_query);
 
   const std::string path = canon_path;   // const sidesteps GCC bugs below!
   const std::string query = canon_query;
   if (path.empty())
     return;
@@ skipping 22 matching lines @@
   GenerateHostsToCheck(url, &hosts);
   GeneratePathsToCheck(url, &paths);
   for (size_t h = 0; h < hosts.size(); ++h) {
     for (size_t p = 0; p < paths.size(); ++p) {
       urls->push_back(hosts[h] + paths[p]);
     }
   }
 }
 
 }  // namespace safe_browsing