base: Remove the string logging from CHECK().

mojo/edk/test/test_utils_win.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 <windows.h>
 #include <fcntl.h>
 #include <io.h>
 #include <stddef.h>
@@ skipping 65 matching lines @@
   }
 
   *bytes_read = bytes_read_dword;
   return true;
 }
 
 ScopedPlatformHandle PlatformHandleFromFILE(base::ScopedFILE fp) {
   CHECK(fp);
 
   HANDLE rv = INVALID_HANDLE_VALUE;
-  PCHECK(DuplicateHandle(
+  // DuplicateHandle
+  CHECK(DuplicateHandle(
       GetCurrentProcess(),
       reinterpret_cast<HANDLE>(_get_osfhandle(_fileno(fp.get()))),
-      GetCurrentProcess(), &rv, 0, TRUE, DUPLICATE_SAME_ACCESS))
-      << "DuplicateHandle";
+      GetCurrentProcess(), &rv, 0, TRUE, DUPLICATE_SAME_ACCESS));
   return ScopedPlatformHandle(PlatformHandle(rv));
 }
 
 base::ScopedFILE FILEFromPlatformHandle(ScopedPlatformHandle h,
                                         const char* mode) {
   CHECK(h.is_valid());
   // Microsoft's documentation for |_open_osfhandle()| only discusses these
   // flags (and |_O_WTEXT|). Hmmm.
   int flags = 0;
   if (strchr(mode, 'a'))
     flags |= _O_APPEND;
   if (strchr(mode, 'r'))
     flags |= _O_RDONLY;
   if (strchr(mode, 't'))
     flags |= _O_TEXT;
   base::ScopedFILE rv(_fdopen(
       _open_osfhandle(reinterpret_cast<intptr_t>(h.release().handle), flags),
       mode));
-  PCHECK(rv) << "_fdopen";
+  // _fdopen
+  CHECK(rv);
   return rv;
 }
 
 }  // namespace test
 }  // namespace edk
 }  // namespace mojo