base: Remove the string logging from CHECK().

mojo/edk/test/test_utils_win.cc

Index: mojo/edk/test/test_utils_win.cc
diff --git a/mojo/edk/test/test_utils_win.cc b/mojo/edk/test/test_utils_win.cc
index 17bf5bbfa3ea4a9e1e31bb3cbdaccc9a06ab8a3d..d0253827b6359ac64c7b79c01234b17f5d83e9fe 100644
--- a/mojo/edk/test/test_utils_win.cc
+++ b/mojo/edk/test/test_utils_win.cc
@@ -83,11 +83,11 @@ 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));
 }
 
@@ -106,7 +106,8 @@ base::ScopedFILE FILEFromPlatformHandle(ScopedPlatformHandle h,
   base::ScopedFILE rv(_fdopen(
       _open_osfhandle(reinterpret_cast<intptr_t>(h.release().handle), flags),
       mode));
-  PCHECK(rv) << "_fdopen";
+  // _fdopen
+  CHECK(rv);
   return rv;
 }