fix leaks in SkConf

src/utils/SkRTConf.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkRTConf.h"
 #include "SkOSFile.h"
 
@@ skipping 26 matching lines @@
         char *keyptr = strtok(line, sep);
         if (!keyptr) {
             continue;
         }
 
         char *valptr = strtok(NULL, sep);
         if (!valptr) {
             continue;
         }
 
-        SkString* key = new SkString(keyptr);
-        SkString* val = new SkString(valptr);
+        SkString* key = SkNEW_ARGS(SkString,(keyptr));
+        SkString* val = SkNEW_ARGS(SkString,(valptr));
 
         fConfigFileKeys.append(1, &key);
         fConfigFileValues.append(1, &val);
     }
     sk_fclose(fp);
 }
 
+SkRTConfRegistry::~SkRTConfRegistry() {
+    ConfMap::Iter iter(fConfs);
+    SkTDArray<SkRTConfBase *> *confArray;
+
+    while (iter.next(&confArray)) {
+        delete confArray;
+    }
+
+    for (int i = 0 ; i < fConfigFileKeys.count() ; i++) {
+        SkDELETE(fConfigFileKeys[i]);
+        SkDELETE(fConfigFileValues[i]);
+    }
+}
+
 const char *SkRTConfRegistry::configFileLocation() const {
     return "skia.conf"; // for now -- should probably do something fancier like home directories or whatever.
 }
 
 // dump all known runtime config options to the file with their default values.
 // to trigger this, make a config file of zero size.
 void SkRTConfRegistry::possiblyDumpFile() const {
     const char *path = configFileLocation();
     SkFILE *fp = sk_fopen(path, kRead_SkFILE_Flag);
     if (!fp) {
@@ skipping 261 matching lines @@
     sk_setenv("skia_nonexistent_item", "132");
     int result = 0;
     registryWithoutContents.parse("nonexistent.item", &result);
     SkASSERT(result == 132);
 }
 
 SkRTConfRegistry::SkRTConfRegistry(bool)
     : fConfs(100) {
 }
 #endif