Move card unmask interfaces and controller into the autofill component.

chrome/browser/ui/autofill/create_card_unmask_prompt_view.h

+// 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_AUTOFILL_CREATE_CARD_UNMASK_PROMPT_VIEW_H_
+#define CHROME_BROWSER_UI_AUTOFILL_CREATE_CARD_UNMASK_PROMPT_VIEW_H_
+
+namespace content {
+class WebContents;
+}
+
+namespace autofill {
+
+class CardUnmaskPromptController;
+
+// A cross-platform function for creating the card unmask view. This function is

[Evan Stade, 2015/05/14 21:44:39]

nit: I'd make this comment something like "Factory function for
CardUnmaskPromptView on non-iOS platforms."

[Justin Donnelly, 2015/05/14 22:00:22]

Done.

+// defined here rather than on CardUnmaskPromptView itself because that
+// interface lives in components where WebContents is not allowed (because it's
+// not available on iOS).
+CardUnmaskPromptView* CreateCardUnmaskPromptView(
+    CardUnmaskPromptController* controller, content::WebContents* web_contents);
+
+}  // namespace autofill
+
+#endif  // CHROME_BROWSER_UI_AUTOFILL_CREATE_CARD_UNMASK_PROMPT_VIEW_H_