Adjust callers and networking delegates in ios/ to modified APIs

ios/net/crn_http_protocol_handler.mm

 // Copyright 2012 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 "ios/net/crn_http_protocol_handler.h"
 
 #include <stdint.h>
 
 #include <memory>
 #include <utility>
@@ skipping 522 matching lines @@
   // TODO(droger): It may be possible to avoid some of the copies (using
   // WrappedIOBuffer for example).
   NSUInteger data_length;
   uint64_t total_byte_read = 0;
   while (bytes_read > 0) {
     total_byte_read += bytes_read;
     data_length = [data length];  // Assumes that getting the length is fast.
     [data increaseLengthBy:bytes_read];
     memcpy(reinterpret_cast<char*>([data mutableBytes]) + data_length,
            buffer_->data(), bytes_read);
-    request->Read(buffer_.get(), kIOBufferSize, &bytes_read);
+    bytes_read = request->Read(buffer_.get(), kIOBufferSize);
   }
 
   if (tracker_)
     tracker_->CaptureReceivedBytes(request, total_byte_read);
 
   // Notify the client.
   if (bytes_read == net::OK || bytes_read == net::ERR_IO_PENDING) {
     if ([data length] > 0) {
       // If the data is not encoded in UTF8, the NSString is nil.
       DVLOG(3) << "To client:" << std::endl
@@ skipping 541 matching lines @@
       [[DeferredCancellation alloc] initWithCore:[self getCore]];
   NSArray* modes = @[ [[NSRunLoop currentRunLoop] currentMode] ];
   [cancellation performSelector:@selector(cancel)
                        onThread:[self getClientThread]
                      withObject:nil
                   waitUntilDone:NO
                           modes:modes];
 }
 
 @end