content/child/web_memory_allocator_dump_impl.h

   1 // Copyright 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CONTENT_CHILD_WEB_MEMORY_ALLOCATOR_DUMP_IMPL_H_
   6 #define CONTENT_CHILD_WEB_MEMORY_ALLOCATOR_DUMP_IMPL_H_
   7
   8 #include "base/memory/scoped_vector.h"
   9 #include "third_party/WebKit/public/platform/WebMemoryAllocatorDump.h"
  10
  11 namespace base {
  12 namespace trace_event {
  13 class MemoryAllocatorDump;
  14 }  // namespace base
  15 }  // namespace trace_event
  16
  17 namespace content {
  18
  19 // Implements the blink::WebMemoryAllocatorDump interface by means of proxying
  20 // the Add*() calls to the underlying base::trace_event::MemoryAllocatorDump
  21 // instance.
  22 class WebMemoryAllocatorDumpImpl : public blink::WebMemoryAllocatorDump {
  23  public:
  24   explicit WebMemoryAllocatorDumpImpl(
  25       base::trace_event::MemoryAllocatorDump* memory_allocator_dump);
  26   virtual ~WebMemoryAllocatorDumpImpl();
  27
  28   // blink::WebMemoryAllocatorDump implementation.
  29   virtual void AddScalar(const char* name,
  30                          const char* units,
  31                          uint64 value);
  32   virtual void AddScalarF(const char* name,
  33                           const char* units,
  34                           double value);
  35   virtual void AddString(const char* name,
  36                          const char* units,
  37                          const blink::WebString& value);
  38
  39   virtual blink::WebMemoryAllocatorDumpGuid guid() const;
  40
  41  private:
  42   base::trace_event::MemoryAllocatorDump* memory_allocator_dump_;  // Not owned.
  43   blink::WebMemoryAllocatorDumpGuid guid_;
  44
  45   DISALLOW_COPY_AND_ASSIGN(WebMemoryAllocatorDumpImpl);
  46 };
  47
  48 }  // namespace content
  49
  50 #endif  // CONTENT_CHILD_WEB_MEMORY_ALLOCATOR_DUMP_IMPL_H_