Cronet for iOS with C API for GRPC support.

components/cronet/ios/Cronet.h

+// Copyright 2016 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.
+
+#import <Foundation/Foundation.h>
+
+#include "cronet_c_for_grpc.h"
+
+// Interface for installing Cronet.
+@interface Cronet : NSObject
+
+// Sets whether HTTP/2 should be supported by CronetEngine. This method only has
+// any effect before |start| is called.
++ (void)setHttp2Enabled:(BOOL)http2Enabled;
+
+// Sets whether QUIC should be supported by CronetEngine. This method only has
+// any effect before |start| is called.
++ (void)setQuicEnabled:(BOOL)quicEnabled;
+
+// Adds hint that host supports QUIC on altPort. This method only has any effect
+// before |start| is called.
++ (void)addQuicHint:(NSString*)host port:(int)port altPort:(int)altPort;
+
+// |userAgent| is expected to be of the form Product/Version.
+// Example: Foo/3.0.0.0
+//
+// This method only has any effect before |start| is called.
++ (void)setPartialUserAgent:(NSString*)userAgent;
+
+// Sets SSLKEYLogFileName to export SSL key for Wireshark decryption of packet
+// captures. This method only has any effect before |start| is called.
++ (void)setSslKeyLogFileName:(NSString*)sslKeyLogFileName;
+
+// Starts CronetEngine.
++ (void)start;
+
+// Starts net-internals logging to a file named |fileName| in the application
+// temporary directory. |fileName| must not be empty. Log level is determined
+// by |logBytes| - if YES then LOG_ALL otherwise LOG_ALL_BUT_BYTES. If the file
+// exists it is truncated before starting. If actively logging the call is
+// ignored.
++ (void)startNetLogToFile:(NSString*)fileName logBytes:(BOOL)logBytes;
+
+// Stop net-internals logging and flush file to disk. If a logging session is
+// not in progress this call is ignored.
++ (void)stopNetLog;
+
+// Returns the full user-agent that the stack uses.
+// This is the exact string servers will see.
++ (NSString*)getUserAgent;

[kapishnikov, 2016/04/08 23:54:18]

Nit: space between 'NSString' and '*'

[mef, 2016/04/09 00:52:29]

I've used 'git cl format components/cronet', and disagrees. :)

+
+// Get a pointer to global instance of cronet_engine for GRPC C API.
++ (cronet_engine*)getGlobalEngine;
+
+@end