third_party/WebKit/Source/platform/loader/fetch/ResourceLoadingLog.h - Issue 2656053002: NullStream

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Side by Side Diff: third_party/WebKit/Source/platform/loader/fetch/ResourceLoadingLog.h

Issue 2656053002: NullStream

Patch Set: . Created 3 years, 10 months ago

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1 // Copyright 2016 The Chromium Authors. All rights reserved.	1 // Copyright 2016 The Chromium Authors. All rights reserved.

2 // Use of this source code is governed by a BSD-style license that can be	2 // Use of this source code is governed by a BSD-style license that can be

3 // found in the LICENSE file.	3 // found in the LICENSE file.

4	4

5 #ifndef ResourceLoadingLog_h	5 #ifndef ResourceLoadingLog_h

6 #define ResourceLoadingLog_h	6 #define ResourceLoadingLog_h

7	7

8 #include "wtf/Assertions.h"	8 #include "wtf/Assertions.h"

9	9

10 #if DCHECK_IS_ON()	10 #if DCHECK_IS_ON()

11 // We can see logs with \|--v=N\| or \|--vmodule=ResourceLoadingLog=N\| where N is a	11 // We can see logs with \|--v=N\| or \|--vmodule=ResourceLoadingLog=N\| where N is a

12 // verbose level.	12 // verbose level.

13 #define RESOURCE_LOADING_DVLOG(verbose_level) \	13 #define RESOURCE_LOADING_DVLOG(verbose_level) \

14 LAZY_STREAM( \	14 LAZY_STREAM( \

15 VLOG_STREAM(verbose_level), \	15 VLOG_STREAM(verbose_level), \

16 ((verbose_level) <= ::logging::GetVlogLevel("ResourceLoadingLog.h")))	16 ((verbose_level) <= ::logging::GetVlogLevel("ResourceLoadingLog.h")))

17 #else	17 #else

18 #define RESOURCE_LOADING_DVLOG(verbose_level) EAT_STREAM_PARAMETERS	18 #define RESOURCE_LOADING_DVLOG(verbose_level) ::logging::NullStream().stream()

19 #endif	19 #endif

20	20

21 #endif // ResourceLoadingLog_h	21 #endif // ResourceLoadingLog_h

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