FixIt: initalize values.

chrome/installer/gcapi/gcapi.cc

 // Copyright (c) 2006-2008 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/installer/gcapi/gcapi.h"
 
 #include <atlbase.h>
 #include <atlcom.h>
 #include <windows.h>
 #include <sddl.h>
@@ skipping 349 matching lines @@
       ::CoUninitialize();
       return false;
     }
 
     wchar_t* exp_proc_sid;
     if (GetUserIdForProcess(pid, &exp_proc_sid)) {
       if (_wcsicmp(curr_proc_sid, exp_proc_sid) == 0) {
         HANDLE process_handle = ::OpenProcess(
             PROCESS_DUP_HANDLE | PROCESS_QUERY_INFORMATION, TRUE, pid);
         if (process_handle != NULL) {
-          HANDLE process_token;
-          HANDLE user_token;
+          HANDLE process_token = NULL;
+          HANDLE user_token = NULL;
           if (::OpenProcessToken(process_handle, TOKEN_DUPLICATE | TOKEN_QUERY,
                                  &process_token) &&
               ::DuplicateTokenEx(process_token,
                                  TOKEN_IMPERSONATE | TOKEN_QUERY |
                                      TOKEN_ASSIGN_PRIMARY | TOKEN_DUPLICATE,
                                  NULL, SecurityImpersonation,
                                  TokenPrimary, &user_token) &&
               (::ImpersonateLoggedOnUser(user_token) != 0)) {
             impersonation_success = true;
           }
-          ::CloseHandle(user_token);
-          ::CloseHandle(process_token);
+          if (user_token)
+            ::CloseHandle(user_token);
+          if (process_token)
+            ::CloseHandle(process_token);
           ::CloseHandle(process_handle);
         }
       }
       ::LocalFree(exp_proc_sid);
     }
 
     ::LocalFree(curr_proc_sid);
     if (!impersonation_success) {
       ::CoUninitialize();
       return false;
@@ skipping 46 matching lines @@
   // This loop iterates through all of the top-level Windows named
   // Chrome_WidgetWin_0, and looks for the first one with any children.
   while (handle && !FindWindowEx(handle, NULL, L"Chrome_WidgetWin_0", NULL)) {
     // Get the next top-level Chrome window.
     handle = FindWindowEx(NULL, handle, L"Chrome_WidgetWin_0", NULL);
   }
 
   return (handle &&
           SetWindowPos(handle, 0, x, y, width, height, SWP_NOZORDER));
 }