[iOS] Upstream autofill component code

components/autofill/ios/browser/form_suggestion.mm

+// Copyright 2013 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 "components/autofill/ios/browser/form_suggestion.h"
+
+@interface FormSuggestion ()
+// TODO(rohitrao): These properties must be redefined readwrite to work around a
+// clang bug.  crbug.com/228650
+@property(copy, readwrite) NSString* value;
+@property(copy, readwrite) NSString* icon;
+
+// Local initializer for a FormSuggestion.
+- (id)initWithValue:(NSString*)value
+    displayDescription:(NSString*)displayDescription
+                  icon:(NSString*)icon
+            identifier:(NSUInteger)identifier;
+
+@end
+
+@implementation FormSuggestion {
+  NSString* _value;
+  NSString* _displayDescription;
+  NSString* _icon;
+  NSUInteger _identifier;
+  base::mac::ObjCPropertyReleaser _propertyReleaser_FormSuggestion;
+}
+
+@synthesize value = _value;
+@synthesize displayDescription = _displayDescription;
+@synthesize icon = _icon;
+@synthesize identifier = _identifier;
+
+- (id)initWithValue:(NSString*)value
+    displayDescription:(NSString*)displayDescription
+                  icon:(NSString*)icon
+            identifier:(NSUInteger)identifier {
+  self = [super init];
+  if (self) {
+    _propertyReleaser_FormSuggestion.Init(self, [FormSuggestion class]);
+    _value = [value copy];
+    _displayDescription = [displayDescription copy];
+    _icon = [icon copy];
+    _identifier = identifier;
+  }
+  return self;
+}
+
++ (FormSuggestion*)suggestionWithValue:(NSString*)value
+                    displayDescription:(NSString*)displayDescription
+                                  icon:(NSString*)icon
+                            identifier:(NSUInteger)identifier {
+  return [[[FormSuggestion alloc] initWithValue:value
+                             displayDescription:displayDescription
+                                           icon:icon
+                                     identifier:identifier] autorelease];
+}
+
+@end