More DCHECK() updates. A mixture of _EQ and _GE.

base/shared_memory_win.cc

 // Copyright (c) 2006-2008 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 "base/shared_memory.h"
 
 #include "base/logging.h"
 #include "base/utf_string_conversions.h"
 
 namespace base {
@@ skipping 62 matching lines @@
 bool SharedMemory::CreateAndMapAnonymous(uint32 size) {
   return CreateAnonymous(size) && Map(size);
 }
 
 bool SharedMemory::CreateAnonymous(uint32 size) {
   return CreateNamed("", false, size);
 }
 
 bool SharedMemory::CreateNamed(const std::string& name,
                                bool open_existing, uint32 size) {
-  DCHECK(mapped_file_ == NULL);
+  DCHECK(!mapped_file_);
   if (size == 0)
     return false;
 
   // NaCl's memory allocator requires 0mod64K alignment and size for
   // shared memory objects.  To allow passing shared memory to NaCl,
   // therefore we round the size actually created to the nearest 64K unit.
   // To avoid client impact, we continue to retain the size as the
   // actual requested size.
   uint32 rounded_size = (size + 0xffff) & ~0xffff;
   name_ = ASCIIToWide(name);
@@ skipping 18 matching lines @@
 
   return true;
 }
 
 bool SharedMemory::Delete(const std::string& name) {
   // intentionally empty -- there is nothing for us to do on Windows.
   return true;
 }
 
 bool SharedMemory::Open(const std::string& name, bool read_only) {
-  DCHECK(mapped_file_ == NULL);
+  DCHECK(!mapped_file_);
 
   name_ = ASCIIToWide(name);
   read_only_ = read_only;
   mapped_file_ = OpenFileMapping(
       read_only_ ? FILE_MAP_READ : FILE_MAP_ALL_ACCESS, false,
       name_.empty() ? NULL : name_.c_str());
   if (mapped_file_ != NULL) {
     // Note: size_ is not set in this case.
     return true;
   }
@@ skipping 86 matching lines @@
 void SharedMemory::Unlock() {
   DCHECK(lock_ != NULL);
   ReleaseMutex(lock_);
 }
 
 SharedMemoryHandle SharedMemory::handle() const {
   return mapped_file_;
 }
 
 }  // namespace base