base: Remove the string logging from CHECK().

content/browser/browser_plugin/browser_plugin_guest.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/browser/browser_plugin/browser_plugin_guest.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 
@@ skipping 591 matching lines @@
   new_msg->WriteInt(browser_plugin_instance_id());
 
   // Copy remaining payload from original message.
   // TODO(wjmaclean): it would be nice if IPC::PickleIterator had a method
   // like 'RemainingBytes()' so that we don't have to include implementation-
   // specific details like sizeof() in the next line.
   DCHECK(msg->payload_size() > sizeof(int));
   size_t remaining_bytes = msg->payload_size() - sizeof(int);
   const char* data = nullptr;
   bool read_success = iter.ReadBytes(&data, remaining_bytes);
-  CHECK(read_success)
-      << "Unexpected failure reading remaining IPC::Message payload.";
+  // Unexpected failure reading remaining IPC::Message payload.
+  CHECK(read_success);
   bool write_success = new_msg->WriteBytes(data, remaining_bytes);
-  CHECK(write_success)
-      << "Unexpected failure writing remaining IPC::Message payload.";
+  // Unexpected failure writing remaining IPC::Message payload.
+  CHECK(write_success);
 
   return new_msg;
 }
 
 void BrowserPluginGuest::SendQueuedMessages() {
   if (!attached())
     return;
 
   while (!pending_messages_.empty()) {
     std::unique_ptr<IPC::Message> message_ptr =
@@ skipping 436 matching lines @@
           range, character_bounds);
 }
 #endif
 
 void BrowserPluginGuest::SetContextMenuPosition(const gfx::Point& position) {
   if (delegate_)
     delegate_->SetContextMenuPosition(position);
 }
 
 }  // namespace content