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Unified Diff: base/files/file_tracing.h

Issue 1647803004: Move base to DEPS (Closed) Base URL: git@github.com:domokit/mojo.git@master
Patch Set: Created 4 years, 11 months ago
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Index: base/files/file_tracing.h
diff --git a/base/files/file_tracing.h b/base/files/file_tracing.h
deleted file mode 100644
index 373fe0e38f27e825e02b8ed0c2615e00e9ef3b9f..0000000000000000000000000000000000000000
--- a/base/files/file_tracing.h
+++ /dev/null
@@ -1,92 +0,0 @@
-// Copyright 2015 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.
-
-#ifndef BASE_FILES_FILE_TRACING_H_
-#define BASE_FILES_FILE_TRACING_H_
-
-#include "base/base_export.h"
-#include "base/basictypes.h"
-#include "base/macros.h"
-
-#define FILE_TRACING_PREFIX "File"
-
-#define SCOPED_FILE_TRACE_WITH_SIZE(name, size) \
- FileTracing::ScopedTrace scoped_file_trace; \
- if (FileTracing::IsCategoryEnabled()) \
- scoped_file_trace.Initialize(FILE_TRACING_PREFIX "::" name, this, size)
-
-#define SCOPED_FILE_TRACE(name) SCOPED_FILE_TRACE_WITH_SIZE(name, 0)
-
-namespace base {
-
-class File;
-class FilePath;
-
-class BASE_EXPORT FileTracing {
- public:
- // Whether the file tracing category is enabled.
- static bool IsCategoryEnabled();
-
- class Provider {
- public:
- virtual ~Provider() = default;
-
- // Whether the file tracing category is currently enabled.
- virtual bool FileTracingCategoryIsEnabled() const = 0;
-
- // Enables file tracing for |id|. Must be called before recording events.
- virtual void FileTracingEnable(void* id) = 0;
-
- // Disables file tracing for |id|.
- virtual void FileTracingDisable(void* id) = 0;
-
- // Begins an event for |id| with |name|. |path| tells where in the directory
- // structure the event is happening (and may be blank). |size| is the number
- // of bytes involved in the event.
- virtual void FileTracingEventBegin(
- const char* name, void* id, const FilePath& path, int64 size) = 0;
-
- // Ends an event for |id| with |name|.
- virtual void FileTracingEventEnd(const char* name, void* id) = 0;
- };
-
- // Sets a global file tracing provider to query categories and record events.
- static void SetProvider(Provider* provider);
-
- // Enables file tracing while in scope.
- class ScopedEnabler {
- public:
- ScopedEnabler();
- ~ScopedEnabler();
- };
-
- class ScopedTrace {
- public:
- ScopedTrace();
- ~ScopedTrace();
-
- // Called only if the tracing category is enabled. |name| is the name of the
- // event to trace (e.g. "Read", "Write") and must have an application
- // lifetime (e.g. static or literal). |file| is the file being traced; must
- // outlive this class. |size| is the size (in bytes) of this event.
- void Initialize(const char* name, File* file, int64 size);
-
- private:
- // The ID of this trace. Based on the |file| passed to |Initialize()|. Must
- // outlive this class.
- void* id_;
-
- // The name of the event to trace (e.g. "Read", "Write"). Prefixed with
- // "File".
- const char* name_;
-
- DISALLOW_COPY_AND_ASSIGN(ScopedTrace);
- };
-
- DISALLOW_COPY_AND_ASSIGN(FileTracing);
-};
-
-} // namespace base
-
-#endif // BASE_FILES_FILE_TRACING_H_
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