[Mac] Remove native/Cocoa preferences.

chrome/browser/ui/cocoa/options/custom_home_pages_model.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.
-
-#import "chrome/browser/ui/cocoa/options/custom_home_pages_model.h"
-
-#include "base/sys_string_conversions.h"
-#include "chrome/browser/net/url_fixer_upper.h"
-#include "chrome/browser/prefs/session_startup_pref.h"
-
-NSString* const kHomepageEntryChangedNotification =
-    @"kHomepageEntryChangedNotification";
-
-@interface CustomHomePagesModel (Private)
-- (void)setURLsInternal:(const std::vector<GURL>&)urls;
-@end
-
-@implementation CustomHomePagesModel
-
-- (id)initWithProfile:(Profile*)profile {
-  if ((self = [super init])) {
-    profile_ = profile;
-    entries_.reset([[NSMutableArray alloc] init]);
-  }
-  return self;
-}
-
-- (NSUInteger)countOfCustomHomePages {
-  return [entries_ count];
-}
-
-- (id)objectInCustomHomePagesAtIndex:(NSUInteger)index {
-  return [entries_ objectAtIndex:index];
-}
-
-- (void)insertObject:(id)object inCustomHomePagesAtIndex:(NSUInteger)index {
-  [entries_ insertObject:object atIndex:index];
-}
-
-- (void)removeObjectFromCustomHomePagesAtIndex:(NSUInteger)index {
-  [entries_ removeObjectAtIndex:index];
-  // Force a save.
-  [self validateURLs];
-}
-
-// Get/set the urls the model currently contains as a group. These will weed
-// out any URLs that are empty and not add them to the model. As a result,
-// the next time they're persisted to the prefs backend, they'll disappear.
-- (std::vector<GURL>)URLs {
-  std::vector<GURL> urls;
-  for (CustomHomePageEntry* entry in entries_.get()) {
-    const char* urlString = [[entry URL] UTF8String];
-    if (urlString && std::strlen(urlString)) {
-      urls.push_back(GURL(std::string(urlString)));
-    }
-  }
-  return urls;
-}
-
-- (void)setURLs:(const std::vector<GURL>&)urls {
-  [self willChangeValueForKey:@"customHomePages"];
-  [self setURLsInternal:urls];
-  SessionStartupPref pref(SessionStartupPref::GetStartupPref(profile_));
-  pref.urls = urls;
-  SessionStartupPref::SetStartupPref(profile_, pref);
-  [self didChangeValueForKey:@"customHomePages"];
-}
-
-// Converts the C++ URLs to Cocoa objects without notifying KVO.
-- (void)setURLsInternal:(const std::vector<GURL>&)urls {
-  [entries_ removeAllObjects];
-  for (size_t i = 0; i < urls.size(); ++i) {
-    scoped_nsobject<CustomHomePageEntry> entry(
-        [[CustomHomePageEntry alloc] init]);
-    const char* urlString = urls[i].spec().c_str();
-    if (urlString && std::strlen(urlString)) {
-      [entry setURL:[NSString stringWithCString:urlString
-                                       encoding:NSUTF8StringEncoding]];
-      [entries_ addObject:entry];
-    }
-  }
-}
-
-- (void)reloadURLs {
-  [self willChangeValueForKey:@"customHomePages"];
-  SessionStartupPref pref(SessionStartupPref::GetStartupPref(profile_));
-  [self setURLsInternal:pref.urls];
-  [self didChangeValueForKey:@"customHomePages"];
-}
-
-- (void)validateURLs {
-  [self setURLs:[self URLs]];
-}
-
-- (void)setURLStringEmptyAt:(NSUInteger)index {
-  // This replaces the data at |index| with an empty (invalid) URL string.
-  CustomHomePageEntry* entry = [entries_ objectAtIndex:index];
-  [entry setURL:[NSString stringWithString:@""]];
-}
-
-@end
-
-//---------------------------------------------------------------------------
-
-@implementation CustomHomePageEntry
-
-- (void)setURL:(NSString*)url {
-  // |url| can be nil if the user cleared the text from the edit field.
-  if (!url)
-    url = [NSString stringWithString:@""];
-
-  // Make sure the url is valid before setting it by fixing it up.
-  std::string fixedUrl(URLFixerUpper::FixupURL(
-      base::SysNSStringToUTF8(url), std::string()).possibly_invalid_spec());
-  url_.reset([base::SysUTF8ToNSString(fixedUrl) retain]);
-
-  // Broadcast that an individual item has changed.
-  [[NSNotificationCenter defaultCenter]
-      postNotificationName:kHomepageEntryChangedNotification object:nil];
-
-  // TODO(pinkerton): fetch favicon, convert to NSImage http://crbug.com/34642
-}
-
-- (NSString*)URL {
-  return url_.get();
-}
-
-- (void)setImage:(NSImage*)image {
-  icon_.reset(image);
-}
-
-- (NSImage*)image {
-  return icon_.get();
-}
-
-- (NSString*)description {
-  return url_.get();
-}
-
-@end