Coverity: Initialize member variables.

chrome/service/cloud_print/print_system_cups.cc

 // Copyright (c) 2010 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 "chrome/service/cloud_print/print_system.h"
 
 #include <cups/cups.h>
 #include <dlfcn.h>
 #include <errno.h>
 #include <pthread.h>
@@ skipping 116 matching lines @@
   PrintersMap printer_map_;
 
   int update_timeout_;
   bool initialized_;
 };
 
 class PrintServerWatcherCUPS
   : public PrintSystem::PrintServerWatcher {
  public:
   explicit PrintServerWatcherCUPS(PrintSystemCUPS* print_system)
-      : print_system_(print_system) {
+      : print_system_(print_system),
+        delegate_(NULL) {
   }
   ~PrintServerWatcherCUPS() {
     StopWatching();
   }
 
   // PrintSystem::PrintServerWatcher interface
   virtual bool StartWatching(
       PrintSystem::PrintServerWatcher::Delegate* delegate) {
     delegate_ = delegate;
     printers_hash_ = GetPrintersHash();
@@ skipping 486 matching lines @@
                          job_title.c_str(),
                          cups_options.size(),
                          &(cups_options[0]));
 
   VLOG(1) << "CP_CUPS: Job spooled, id: " << job_id;
 
   return job_id;
 }
 
 }  // namespace cloud_print