base: Remove the string logging from CHECK().

mojo/edk/test/test_utils_posix.cc

 // Copyright 2014 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 "mojo/edk/test/test_utils.h"
 
 #include <fcntl.h>
 #include <stddef.h>
 #include <unistd.h>
 
@@ skipping 59 matching lines @@
   } else {
     *bytes_read = result;
   }
 
   return true;
 }
 
 ScopedPlatformHandle PlatformHandleFromFILE(base::ScopedFILE fp) {
   CHECK(fp);
   int rv = dup(fileno(fp.get()));
-  PCHECK(rv != -1) << "dup";
+  // dup
+  CHECK(rv != -1);
   return ScopedPlatformHandle(PlatformHandle(rv));
 }
 
 base::ScopedFILE FILEFromPlatformHandle(ScopedPlatformHandle h,
                                         const char* mode) {
   CHECK(h.is_valid());
   base::ScopedFILE rv(fdopen(h.release().handle, mode));
-  PCHECK(rv) << "fdopen";
+  // fdopen
+  CHECK(rv);
   return rv;
 }
 
 }  // namespace test
 }  // namespace edk
 }  // namespace mojo