Initial checkin of gRPC to third_party/

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

Index: third_party/grpc/src/objective-c/GRPCClient/GRPCCall+OAuth2.h
diff --git a/third_party/WebKit/public/web/WebPrerendererClient.h b/third_party/grpc/src/objective-c/GRPCClient/GRPCCall+OAuth2.h
similarity index 66%
copy from third_party/WebKit/public/web/WebPrerendererClient.h
copy to third_party/grpc/src/objective-c/GRPCClient/GRPCCall+OAuth2.h
index 4648d956959ac571f97945e1d60da9ba7070e618..6b443877e9b7dc57e97a1144f952a2525619434d 100644
--- a/third_party/WebKit/public/web/WebPrerendererClient.h
+++ b/third_party/grpc/src/objective-c/GRPCClient/GRPCCall+OAuth2.h
@@ -1,5 +1,7 @@
 /*
- * 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
@@ -29,20 +31,21 @@
  *
  */
 
-#ifndef WebPrerendererClient_h
-#define WebPrerendererClient_h
-
-#include "../platform/WebCommon.h"
+#import "GRPCCall.h"
 
-namespace blink {
+/** Helpers for setting and reading headers compatible with OAuth2. */
+@interface GRPCCall (OAuth2)
 
-class WebPrerender;
-
-class WebPrerendererClient {
-public:
-    virtual void willAddPrerender(WebPrerender*) = 0;
-};
+/**
+ * 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;
 
-} // namespace blink
+/** Returns the value (if any) of the "www-authenticate" response header (the challenge header). */
+@property(atomic, readonly) NSString *oauth2ChallengeHeader;
 
-#endif // WebPrerendererClient_h
+@end