Code cleanup in core/timing/

Source/core/timing/PerformanceUserTiming.cpp

 /*
  * Copyright (C) 2012 Intel Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 66 matching lines @@
 } // namespace anonymous
 
 UserTiming::UserTiming(PerformanceBase* performance)
     : m_performance(performance)
 {
 }
 
 static void insertPerformanceEntry(PerformanceEntryMap& performanceEntryMap, PerformanceEntry* entry)
 {
     PerformanceEntryMap::iterator it = performanceEntryMap.find(entry->name());
-    if (it != performanceEntryMap.end())
+    if (it != performanceEntryMap.end()) {
         it->value.append(entry);
-    else {
+    } else {
         PerformanceEntryVector vector(1);
         vector[0] = entry;
         performanceEntryMap.set(entry->name(), vector);
     }
 }
 
 static void clearPeformanceEntries(PerformanceEntryMap& performanceEntryMap, const String& name)
 {
     if (name.isNull()) {
         performanceEntryMap.clear();
@@ skipping 38 matching lines @@
 
     exceptionState.throwDOMException(SyntaxError, "The mark '" + markName + "' does not exist.");
     return 0.0;
 }
 
 void UserTiming::measure(const String& measureName, const String& startMark, const String& endMark, ExceptionState& exceptionState)
 {
     double startTime = 0.0;
     double endTime = 0.0;
 
-    if (startMark.isNull())
+    if (startMark.isNull()) {
         endTime = m_performance->now();
-    else if (endMark.isNull()) {
+    } else if (endMark.isNull()) {
         endTime = m_performance->now();
         startTime = findExistingMarkStartTime(startMark, exceptionState);
         if (exceptionState.hadException())
             return;
     } else {
         endTime = findExistingMarkStartTime(endMark, exceptionState);
         if (exceptionState.hadException())
             return;
         startTime = findExistingMarkStartTime(startMark, exceptionState);
         if (exceptionState.hadException())
@@ skipping 61 matching lines @@
 }
 
 DEFINE_TRACE(UserTiming)
 {
     visitor->trace(m_performance);
     visitor->trace(m_marksMap);
     visitor->trace(m_measuresMap);
 }
 
 } // namespace blink