Re-write many calls to WrapUnique() with MakeUnique()

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 226 matching lines @@
           << "Failed to read POST data: "
           << base::SysNSStringToUTF8([[stream streamError] description]);
       StopListeningStream(stream);
       StopRequestWithError(NSURLErrorUnknown, ERR_UNEXPECTED);
       break;
     case NSStreamEventEndEncountered:
       StopListeningStream(stream);
       if (!post_data_readers_.empty()) {
         // NOTE: This call will result in |post_data_readers_| being cleared,
         // which is the desired behavior.
-        net_request_->set_upload(base::WrapUnique(
-            new ElementsUploadDataStream(std::move(post_data_readers_), 0)));
+        net_request_->set_upload(base::MakeUnique<ElementsUploadDataStream>(
+            std::move(post_data_readers_), 0));
         DCHECK(post_data_readers_.empty());
       }
       net_request_->Start();
       if (tracker_)
         tracker_->StartRequest(net_request_);
       break;
     case NSStreamEventHasBytesAvailable: {
       NSUInteger length;
       DCHECK([stream isKindOfClass:[NSInputStream class]]);
       length = [(NSInputStream*)stream read:(unsigned char*)buffer_->data()
                                   maxLength:kIOBufferSize];
       if (length) {
         std::vector<char> owned_data(buffer_->data(), buffer_->data() + length);
         post_data_readers_.push_back(
-            base::WrapUnique(new UploadOwnedBytesElementReader(&owned_data)));
+            base::MakeUnique<UploadOwnedBytesElementReader>(&owned_data));
       }
       break;
     }
     case NSStreamEventNone:
     case NSStreamEventOpenCompleted:
     case NSStreamEventHasSpaceAvailable:
       break;
     default:
       NOTREACHED() << "Unexpected stream event: " << event;
       break;
@@ skipping 822 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