Move base to DEPS

base/trace_event/memory_allocator_dump.h

-// 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_TRACE_EVENT_MEMORY_ALLOCATOR_DUMP_H_
-#define BASE_TRACE_EVENT_MEMORY_ALLOCATOR_DUMP_H_
-
-#include <string>
-
-#include "base/base_export.h"
-#include "base/basictypes.h"
-#include "base/logging.h"
-#include "base/memory/ref_counted.h"
-#include "base/trace_event/memory_allocator_dump_guid.h"
-#include "base/values.h"
-
-namespace base {
-namespace trace_event {
-
-class MemoryDumpManager;
-class ProcessMemoryDump;
-class TracedValue;
-
-// Data model for user-land memory allocator dumps.
-class BASE_EXPORT MemoryAllocatorDump {
- public:
-  // MemoryAllocatorDump is owned by ProcessMemoryDump.
-  MemoryAllocatorDump(const std::string& absolute_name,
-                      ProcessMemoryDump* process_memory_dump,
-                      const MemoryAllocatorDumpGuid& guid);
-  MemoryAllocatorDump(const std::string& absolute_name,
-                      ProcessMemoryDump* process_memory_dump);
-  ~MemoryAllocatorDump();
-
-  // Standard attribute |name|s for the AddScalar and AddString() methods.
-  static const char kNameSize[];          // To represent allocated space.
-  static const char kNameObjectsCount[];  // To represent number of objects.
-
-  // Standard attribute |unit|s for the AddScalar and AddString() methods.
-  static const char kUnitsBytes[];    // Unit name to represent bytes.
-  static const char kUnitsObjects[];  // Unit name to represent #objects.
-
-  // Constants used only internally and by tests.
-  static const char kTypeScalar[];  // Type name for scalar attributes.
-  static const char kTypeString[];  // Type name for string attributes.
-
-  // Setters for scalar attributes. Some examples:
-  // - "size" column (all dumps are expected to have at least this one):
-  //     AddScalar(kNameSize, kUnitsBytes, 1234);
-  // - Some extra-column reporting internal details of the subsystem:
-  //    AddScalar("number_of_freelist_entires", kUnitsObjects, 42)
-  // - Other informational column (will not be auto-added in the UI)
-  //    AddScalarF("kittens_ratio", "ratio", 42.0f)
-  void AddScalar(const char* name, const char* units, uint64 value);
-  void AddScalarF(const char* name, const char* units, double value);
-  void AddString(const char* name, const char* units, const std::string& value);
-
-  // Absolute name, unique within the scope of an entire ProcessMemoryDump.
-  const std::string& absolute_name() const { return absolute_name_; }
-
-  // Called at trace generation time to populate the TracedValue.
-  void AsValueInto(TracedValue* value) const;
-
-  // Get the ProcessMemoryDump instance that owns this.
-  ProcessMemoryDump* process_memory_dump() const {
-    return process_memory_dump_;
-  }
-
-  // |guid| is an optional global dump identifier, unique across all processes
-  // within the scope of a global dump. It is only required when using the
-  // graph APIs (see TODO_method_name) to express retention / suballocation or
-  // cross process sharing. See crbug.com/492102 for design docs.
-  // Subsequent MemoryAllocatorDump(s) with the same |absolute_name| are
-  // expected to have the same guid.
-  const MemoryAllocatorDumpGuid& guid() const { return guid_; }
-
-  TracedValue* attributes_for_testing() const { return attributes_.get(); }
-
- private:
-  const std::string absolute_name_;
-  ProcessMemoryDump* const process_memory_dump_;  // Not owned (PMD owns this).
-  scoped_refptr<TracedValue> attributes_;
-  MemoryAllocatorDumpGuid guid_;
-
-  // A local buffer for Sprintf conversion on fastpath. Avoids allocating
-  // temporary strings on each AddScalar() call.
-  std::string string_conversion_buffer_;
-
-  DISALLOW_COPY_AND_ASSIGN(MemoryAllocatorDump);
-};
-
-}  // namespace trace_event
-}  // namespace base
-
-#endif  // BASE_TRACE_EVENT_MEMORY_ALLOCATOR_DUMP_H_