base: Remove the string logging from CHECK().

blimp/engine/mojo/blob_channel_service.cc

 // 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.
 
 #include "blimp/engine/mojo/blob_channel_service.h"
 
 #include <string>
 #include <unordered_map>
 #include <utility>
 #include <vector>
@@ skipping 67 matching lines @@
         "Invalid data handle received from renderer process.");
     return;
   }
 
   if (size > kMaxBlobSizeBytes) {
     mojo::ReportBadMessage("Blob size too large.");
     return;
   }
 
   mojo::ScopedSharedBufferMapping mapping = data->Map(size);
-  CHECK(mapping) << "Failed to mmap region of " << size << " bytes.";
+  // Failed to mmap region of |size| bytes.
+  CHECK(mapping);
 
   scoped_refptr<BlobData> new_blob(new BlobData);
   new_blob->data.assign(reinterpret_cast<const char*>(mapping.get()), size);
 
   blob_sender_task_runner_->PostTask(FROM_HERE,
                          base::Bind(&BlobChannelSender::PutBlob,
                                     blob_channel_sender_,
                                     id,
                                     base::Passed(std::move(new_blob))));
 }
 
 void BlobChannelService::DeliverBlob(const std::string& id) {
   DCHECK(thread_checker_.CalledOnValidThread());
 
   blob_sender_task_runner_->PostTask(FROM_HERE,
                          base::Bind(&BlobChannelSender::DeliverBlob,
                                     blob_channel_sender_,
                                     id));
 }
 
 void BlobChannelService::BindRequest(
     mojo::InterfaceRequest<mojom::BlobChannel> request) {
   DCHECK(thread_checker_.CalledOnValidThread());
 
   bindings_.AddBinding(this, std::move(request));
 }
 
 }  // namespace engine
 }  // namespace blimp