Rewrite most of the scopers in //base/mac to use ScopedTypeRef or ScopedGeneric.

remoting/host/mac/me2me_preference_pane.mm

 // Copyright (c) 2012 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.
 
 #import "remoting/host/mac/me2me_preference_pane.h"
 
 #import <Cocoa/Cocoa.h>
 #include <CommonCrypto/CommonHMAC.h>
 #include <errno.h>
 #include <launch.h>
@@ skipping 46 matching lines @@
 namespace mac {
 
 // MessageForJob sends a single message to launchd with a simple dictionary
 // mapping |operation| to |job_label|, and returns the result of calling
 // launch_msg to send that message. On failure, returns nullptr. The caller
 // assumes ownership of the returned launch_data_t object.
 launch_data_t MessageForJob(const std::string& job_label,
                             const char* operation) {
   // launch_data_alloc returns something that needs to be freed.
   ScopedLaunchData message(launch_data_alloc(LAUNCH_DATA_DICTIONARY));
-  if (!message) {
+  if (!message.is_valid()) {
     NSLog(@"launch_data_alloc");
     return nullptr;
   }
 
   // launch_data_new_string returns something that needs to be freed, but
   // the dictionary will assume ownership when launch_data_dict_insert is
   // called, so put it in a scoper and .release() it when given to the
   // dictionary.
   ScopedLaunchData job_label_launchd(launch_data_new_string(job_label.c_str()));
-  if (!job_label_launchd) {
+  if (!job_label_launchd.is_valid()) {
     NSLog(@"launch_data_new_string");
     return nullptr;
   }
 
-  if (!launch_data_dict_insert(message,
+  if (!launch_data_dict_insert(message.get(),
                                job_label_launchd.release(),
                                operation)) {
     return nullptr;
   }
 
-  return launch_msg(message);
+  return launch_msg(message.get());
 }
 
 pid_t PIDForJob(const std::string& job_label) {
   ScopedLaunchData response(MessageForJob(job_label, LAUNCH_KEY_GETJOB));
-  if (!response) {
+  if (!response.is_valid()) {
     return -1;
   }
 
-  launch_data_type_t response_type = launch_data_get_type(response);
+  launch_data_type_t response_type = launch_data_get_type(response.get());
   if (response_type != LAUNCH_DATA_DICTIONARY) {
     if (response_type == LAUNCH_DATA_ERRNO) {
-      NSLog(@"PIDForJob: error %d", launch_data_get_errno(response));
+      NSLog(@"PIDForJob: error %d", launch_data_get_errno(response.get()));
     } else {
       NSLog(@"PIDForJob: expected dictionary, got %d", response_type);
     }
     return -1;
   }
 
-  launch_data_t pid_data = launch_data_dict_lookup(response,
+  launch_data_t pid_data = launch_data_dict_lookup(response.get(),
                                                    LAUNCH_JOBKEY_PID);
   if (!pid_data)
     return 0;
 
   if (launch_data_get_type(pid_data) != LAUNCH_DATA_INTEGER) {
     NSLog(@"PIDForJob: expected integer");
     return -1;
   }
 
   return launch_data_get_integer(pid_data);
@@ skipping 458 matching lines @@
   } else {
     NSLog(@"%s failed with exit status %d", remoting::kHostHelperScriptPath,
           exit_status);
     return NO;
   }
 }
 
 - (BOOL)sendJobControlMessage:(const char*)launch_key {
   base::mac::ScopedLaunchData response(
       base::mac::MessageForJob(remoting::kServiceName, launch_key));
-  if (!response) {
+  if (!response.is_valid()) {
     NSLog(@"Failed to send message to launchd");
     [self showError];
     return NO;
   }
 
   // Expect a response of type LAUNCH_DATA_ERRNO.
   launch_data_type_t type = launch_data_get_type(response.get());
   if (type != LAUNCH_DATA_ERRNO) {
     NSLog(@"launchd returned unexpected type: %d", type);
     [self showError];
@@ skipping 112 matching lines @@
   NSArray* arguments = [NSArray arrayWithObjects:@"--relaunch-prefpane", nil];
   [task setLaunchPath:command];
   [task setArguments:arguments];
   [task setStandardInput:[NSPipe pipe]];
   [task launch];
   [task release];
   [NSApp terminate:nil];
 }
 
 @end