Initial checkin of gRPC to third_party/

third_party/grpc/src/objective-c/GRPCClient/GRPCCall+OAuth2.h

 /*
- * Copyright (C) 2012 Google Inc. All rights reserved.
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
  * copyright notice, this list of conditions and the following disclaimer
  * in the documentation and/or other materials provided with the
  * distribution.
  *     * Neither the name of Google Inc. nor the names of its
  * contributors may be used to endorse or promote products derived from
  * this software without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
  */
 
-#ifndef WebPrerendererClient_h
-#define WebPrerendererClient_h
+#import "GRPCCall.h"
 
-#include "../platform/WebCommon.h"
+/** Helpers for setting and reading headers compatible with OAuth2. */
+@interface GRPCCall (OAuth2)
 
-namespace blink {
+/**
+ * Setting this property is equivalent to setting "Bearer <passed token>" as the value of the
+ * request header with key "authorization" (the authorization header). Setting it to nil removes the
+ * authorization header from the request.
+ * The value obtained by getting the property is the OAuth2 bearer token if the authorization header
+ * of the request has the form "Bearer <token>", or nil otherwise.
+ */
+@property(atomic, copy) NSString *oauth2AccessToken;
 
-class WebPrerender;
+/** Returns the value (if any) of the "www-authenticate" response header (the challenge header). */
+@property(atomic, readonly) NSString *oauth2ChallengeHeader;
 
-class WebPrerendererClient {
-public:
-    virtual void willAddPrerender(WebPrerender*) = 0;
-};
-
-} // namespace blink
-
-#endif // WebPrerendererClient_h
+@end