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

base/event_recorder.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 "build/build_config.h"
 
 #include <windows.h>
 #include <mmsystem.h>
 
 #include "base/event_recorder.h"
@@ skipping 31 matching lines @@
   DCHECK(!is_recording_ && !is_playing_);
 }
 
 bool EventRecorder::StartRecording(const FilePath& filename) {
   if (journal_hook_ != NULL)
     return false;
   if (is_recording_ || is_playing_)
     return false;
 
   // Open the recording file.
-  DCHECK(file_ == NULL);
+  DCHECK(!file_);
   file_ = file_util::OpenFile(filename, "wb+");
   if (!file_) {
     DLOG(ERROR) << "EventRecorder could not open log file";
     return false;
   }
 
   // Set the faster clock, if possible.
   ::timeBeginPeriod(1);
 
   // Set the recording hook.  JOURNALRECORD can only be used as a global hook.
@@ skipping 30 matching lines @@
   }
 }
 
 bool EventRecorder::StartPlayback(const FilePath& filename) {
   if (journal_hook_ != NULL)
     return false;
   if (is_recording_ || is_playing_)
     return false;
 
   // Open the recording file.
-  DCHECK(file_ == NULL);
+  DCHECK(!file_);
   file_ = file_util::OpenFile(filename, "rb");
   if (!file_) {
     DLOG(ERROR) << "EventRecorder Playback could not open log file";
     return false;
   }
   // Read the first event from the record.
   if (fread(&playback_msg_, sizeof(EVENTMSG), 1, file_) != 1) {
     DLOG(ERROR) << "EventRecorder Playback has no records!";
     file_util::CloseFile(file_);
     return false;
@@ skipping 136 matching lines @@
     // indicating that the message is not removed from the message queue after
     // PeekMessage processing.
     case HC_NOREMOVE:
       break;
   }
 
   return CallNextHookEx(journal_hook_, nCode, wParam, lParam);
 }
 
 }  // namespace base