base: Remove the string logging from CHECK().

content/renderer/render_thread_impl.cc

 // Copyright (c) 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.
 
 #include "content/renderer/render_thread_impl.h"
 
 #include <algorithm>
 #include <limits>
 #include <map>
 #include <utility>
@@ skipping 1140 matching lines @@
 
 void RenderThreadImpl::RegisterPendingFrameCreate(
     int routing_id,
     mojom::FrameRequest frame_request,
     mojom::FrameHostPtr frame_host) {
   std::pair<PendingFrameCreateMap::iterator, bool> result =
       pending_frame_creates_.insert(std::make_pair(
           routing_id,
           make_scoped_refptr(new PendingFrameCreate(
               routing_id, std::move(frame_request), std::move(frame_host)))));
-  CHECK(result.second) << "Inserting a duplicate item.";
+  // Inserting a duplicate item.
+  CHECK(result.second);
 }
 
 mojom::StoragePartitionService* RenderThreadImpl::GetStoragePartitionService() {
   return storage_partition_service_.get();
 }
 
 int RenderThreadImpl::GenerateRoutingID() {
   int32_t routing_id = MSG_ROUTING_NONE;
   render_message_filter()->GenerateRoutingID(&routing_id);
   return routing_id;
@@ skipping 1345 matching lines @@
   }
 }
 
 void RenderThreadImpl::OnRendererInterfaceRequest(
     mojom::RendererAssociatedRequest request) {
   DCHECK(!renderer_binding_.is_bound());
   renderer_binding_.Bind(std::move(request));
 }
 
 }  // namespace content