win: Fix a few minor issues found by clang.

sandbox/src/Wow64.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 "sandbox/src/wow64.h"
 
 #include <sstream>
 
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 119 matching lines @@
 
   // The child is intercepted on 64 bit, go on and wait for our event.
   if (!DllMapped())
     return false;
 
   // The 32 bit version is available, cleanup the child.
   return Restore64Code(child_->Process(), patch_info);
 }
 
 bool Wow64::RunWowHelper(void* buffer) {
-  COMPILE_ASSERT(sizeof(buffer) <= sizeof DWORD, unsupported_64_bits);
+  COMPILE_ASSERT(sizeof(buffer) <= sizeof(DWORD), unsupported_64_bits);
 
   // Get the path to the helper (beside the exe).
   wchar_t prog_name[MAX_PATH];
   GetModuleFileNameW(NULL, prog_name, MAX_PATH);
   std::wstring path(prog_name);
   size_t name_pos = path.find_last_of(L"\\");
   if (std::wstring::npos == name_pos)
     return false;
   path.resize(name_pos + 1);
 
@@ skipping 59 matching lines @@
   SIZE_T read;
   if (!::ReadProcessMemory(child_->Process(), ntdll_, &buffer, kBufferSize,
                            &read))
     return false;
   if (kBufferSize != read)
     return false;
   return true;
 }
 
 }  // namespace sandbox