Add OSSTATUS_LOG API

cloud_print/virtual_driver/posix/installer_util_mac.mm

-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// 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.
 
 #include "cloud_print/virtual_driver/posix/installer_util_mac.h"
 
 #import <ApplicationServices/ApplicationServices.h>
 #import <Foundation/NSAutoreleasePool.h>
 #import <Foundation/NSAppleEventDescriptor.h>
 #import <CoreServices/CoreServices.h>
 
@@ skipping 13 matching lines @@
   CFURLRef* kDontWantURL = NULL;
 
   std::string bundleID =  base::mac::BaseBundleID();
   CFStringRef bundleIDCF = CFStringCreateWithCString(NULL, bundleID.c_str(),
                                                      kCFStringEncodingUTF8);
 
   status = LSFindApplicationForInfo(kLSUnknownCreator, bundleIDCF, NULL,
                                     &ref, kDontWantURL);
 
   if (status != noErr) {
-    std::cerr << "Failed to make path ref";
-    std::cerr << GetMacOSStatusErrorString(status);
-    std::cerr << GetMacOSStatusCommentString(status);
+    std::cerr << "Failed to make path ref: "
+              << GetMacOSStatusErrorString(status)
+              << " ("
+              << status
+              << ")";
     exit(-1);
   }
 
   NSAppleEventDescriptor* sendEvent =
       [NSAppleEventDescriptor appleEventWithEventClass:sendClass
                                                eventID:sendClass
                                       targetDescriptor:nil
                                               returnID:kAutoGenerateReturnID
                                          transactionID:kAnyTransactionID];
   if (sendEvent == nil) {
     // Write to system error log using cerr.
     std::cerr << "Unable to create Apple Event";
   }
   LSApplicationParameters params = { 0, kLSLaunchDefaults, &ref, NULL, NULL,
                                      NULL, NULL };
   AEDesc* initialEvent = const_cast<AEDesc*> ([sendEvent aeDesc]);
   params.initialEvent = static_cast<AppleEvent*> (initialEvent);
   status = LSOpenApplication(&params, NULL);
 
   if (status != noErr) {
-    std::cerr << "Unable to launch Chrome to install";
-    std::cerr << GetMacOSStatusErrorString(status);
-    std::cerr << GetMacOSStatusCommentString(status);
+    std::cerr << "Unable to launch Chrome to install: "
+              << GetMacOSStatusErrorString(status)
+              << " ("
+              << status
+              << ")";
     exit(-1);
   }
 }
 
 }   // namespace cloud_print