Move extensions manifest handler for OAuth2 to //extensions

chrome/common/extensions/api/identity/oauth2_manifest_handler.h

-// Copyright (c) 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.
-
-#ifndef CHROME_COMMON_EXTENSIONS_API_IDENTITY_OAUTH2_MANIFEST_HANDLER_H_
-#define CHROME_COMMON_EXTENSIONS_API_IDENTITY_OAUTH2_MANIFEST_HANDLER_H_
-
-#include <set>
-#include <string>
-#include <vector>
-
-#include "extensions/common/extension.h"
-#include "extensions/common/manifest_handler.h"
-
-namespace extensions {
-
-// OAuth2 info included in the extension.
-struct OAuth2Info : public Extension::ManifestData {
-  OAuth2Info();
-  virtual ~OAuth2Info();
-
-  std::string client_id;
-  std::vector<std::string> scopes;
-
-  // Indicates that approval UI can be skipped for a set of whitelisted apps.
-  bool auto_approve;
-
-  static const OAuth2Info& GetOAuth2Info(const Extension* extension);
-};
-
-// Parses the "oauth2" manifest key.
-class OAuth2ManifestHandler : public ManifestHandler {
- public:
-  OAuth2ManifestHandler();
-  virtual ~OAuth2ManifestHandler();
-
-  virtual bool Parse(Extension* extension,
-                     base::string16* error) override;
-
- private:
-  virtual const std::vector<std::string> Keys() const override;
-
-  DISALLOW_COPY_AND_ASSIGN(OAuth2ManifestHandler);
-};
-
-}  // namespace extensions
-
-#endif  // CHROME_COMMON_EXTENSIONS_API_IDENTITY_OAUTH2_MANIFEST_HANDLER_H_