Format and Refactor Flip Server.

net/tools/flip_server/loadtime_measurement.h

Index: net/tools/flip_server/loadtime_measurement.h
diff --git a/net/tools/flip_server/loadtime_measurement.h b/net/tools/flip_server/loadtime_measurement.h
index b46217e4fe1a31662dbc7146e57852fbf1022f6c..ccbb2e53234263d359310b72545a85585d0ebf6a 100644
--- a/net/tools/flip_server/loadtime_measurement.h
+++ b/net/tools/flip_server/loadtime_measurement.h
@@ -44,7 +44,7 @@ class LoadtimeMeasurement {
     }
     if (action.find("get_total_iteration") == 0) {
       char buffer[16];
-      snprintf(buffer, 16, "%d", num_urls_);
+      snprintf(buffer, sizeof(buffer), "%d", num_urls_);
       output.append(buffer, strlen(buffer));
       return;
     }
@@ -60,7 +60,8 @@ class LoadtimeMeasurement {
     }
     if (action.find("test_complete") == 0) {
       for (std::map<std::string, int>::const_iterator it = loadtimes_.begin();
-           it != loadtimes_.end(); ++it) {
+           it != loadtimes_.end();
+           ++it) {
         LOG(INFO) << it->first << " " << it->second;
       }
       loadtimes_.clear();
@@ -99,7 +100,8 @@ class LoadtimeMeasurement {
     close(fd);
   }
 
-  void split_string(std::string& str, char sepa,
+  void split_string(const std::string& str,
+                    char sepa,
                     std::vector<std::string>* sub_strs) {
     size_t b = 0;
     size_t e = str.find_first_of(sepa, b);
@@ -120,4 +122,3 @@ class LoadtimeMeasurement {
 };
 
 #endif  // NET_TOOLS_FLIP_SERVER_LOADTIME_MEASUREMENT_H__
-