Fix a bunch of clang warnings/errors.

base/mac_util.mm

 // 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 "base/mac_util.h"
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/file_path.h"
 #include "base/logging.h"
@@ skipping 35 matching lines @@
     desired_mode = kUIModeAllHidden;
   }
 
   if (current_mode != desired_mode)
     SetSystemUIMode(desired_mode, desired_options);
 }
 
 bool WasLaunchedAsLoginItem() {
   ProcessSerialNumber psn = { 0, kCurrentProcess };
 
-  scoped_nsobject<NSDictionary> process_info(
+  scoped_nsobject<const NSDictionary> process_info(
       reinterpret_cast<const NSDictionary*>(
           ProcessInformationCopyDictionary(&psn,
               kProcessDictionaryIncludeAllInformationMask)));
 
   long long temp = [[process_info objectForKey:@"ParentPSN"] longLongValue];
   ProcessSerialNumber parent_psn =
       { (temp >> 32) & 0x00000000FFFFFFFFLL, temp & 0x00000000FFFFFFFFLL };
 
-  scoped_nsobject<NSDictionary> parent_info(
+  scoped_nsobject<const NSDictionary> parent_info(
       reinterpret_cast<const NSDictionary*>(
           ProcessInformationCopyDictionary(&parent_psn,
               kProcessDictionaryIncludeAllInformationMask)));
 
   // Check that creator process code is that of loginwindow.
   BOOL result =
       [[parent_info objectForKey:@"FileCreator"] isEqualToString:@"lgnw"];
 
   return result == YES;
 }
 
 // Looks into Shared File Lists corresponding to Login Items for the item
 // representing the current application. If such an item is found, returns
 // retained reference to it. Caller is responsible for releasing the reference.
 LSSharedFileListItemRef GetLoginItemForApp() {
   scoped_cftyperef<LSSharedFileListRef> login_items(LSSharedFileListCreate(
       NULL, kLSSharedFileListSessionLoginItems, NULL));
 
   if (!login_items.get()) {
     LOG(ERROR) << "Couldn't get a Login Items list.";
     return NULL;
   }
 
-  scoped_nsobject<NSArray> login_items_array(reinterpret_cast<const NSArray*>(
-      LSSharedFileListCopySnapshot(login_items, NULL)));
+  scoped_nsobject<const NSArray> login_items_array(
+      reinterpret_cast<const NSArray*>(
+        LSSharedFileListCopySnapshot(login_items, NULL)));
 
   NSURL* url = [NSURL fileURLWithPath:[[NSBundle mainBundle] bundlePath]];
 
   for(NSUInteger i = 0; i < [login_items_array count]; ++i) {
     LSSharedFileListItemRef item = reinterpret_cast<LSSharedFileListItemRef>(
         [login_items_array objectAtIndex:i]);
     CFURLRef item_url_ref = NULL;
 
     if (LSSharedFileListItemResolve(item, 0, &item_url_ref, NULL) == noErr) {
       scoped_cftyperef<CFURLRef> item_url(item_url_ref);
@@ skipping 561 matching lines @@
 
   scoped_cftyperef<LSSharedFileListItemRef> item(GetLoginItemForApp());
   if (!item.get()) {
     LOG(ERROR) << "Process launched at Login but can't access Login Item List.";
     return false;
   }
   return IsHiddenLoginItem(item);
 }
 
 }  // namespace mac_util