Implement an ObjC wrapper for fetching account chooser avatar images.

chrome/browser/ui/cocoa/passwords/account_avatar_fetcher_manager.h

Index: chrome/browser/ui/cocoa/passwords/account_avatar_fetcher_manager.h
diff --git a/chrome/browser/ui/cocoa/passwords/account_avatar_fetcher_manager.h b/chrome/browser/ui/cocoa/passwords/account_avatar_fetcher_manager.h
new file mode 100644
index 0000000000000000000000000000000000000000..92f3321dd004af6b57fa00c188f0f113bc5a540f
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+++ b/chrome/browser/ui/cocoa/passwords/account_avatar_fetcher_manager.h
@@ -0,0 +1,33 @@
+// Copyright 2015 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.
+
+#ifndef CHROME_BROWSER_UI_COCOA_PASSWORDS_ACCOUNT_AVATAR_FETCHER_MANAGER_H_
+#define CHROME_BROWSER_UI_COCOA_PASSWORDS_ACCOUNT_AVATAR_FETCHER_MANAGER_H_
+
+#include <Cocoa/Cocoa.h>
+
+#include "base/memory/ref_counted.h"
+#include "base/memory/scoped_vector.h"
+#include "net/url_request/url_request_context_getter.h"
+
+class AccountAvatarFetcherBridge;
+@class CredentialItemView;
+class GURL;
+
+// Handles retrieving avatar images for credential items.
+@interface AccountAvatarFetcherManager : NSObject {
+  ScopedVector<AccountAvatarFetcherBridge> bridges_;
+  scoped_refptr<net::URLRequestContextGetter> requestContext_;
+}
+
+// Initializes a manager with the specified request context.
+- (id)initWithRequestContext:
+        (scoped_refptr<net::URLRequestContextGetter>)requestContext;
+
+// Retrieves the image located at |avatarURL| and updates |view| if successful.
+- (void)fetchAvatar:(const GURL&)avatarURL forView:(CredentialItemView*)view;
+
+@end
+
+#endif  // CHROME_BROWSER_UI_COCOA_PASSWORDS_ACCOUNT_AVATAR_FETCHER_MANAGER_H_