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// 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 CONTENT_CHILD_WEB_MEMORY_DUMP_PROVIDER_ADAPTER_H_
#define CONTENT_CHILD_WEB_MEMORY_DUMP_PROVIDER_ADAPTER_H_
#include "base/macros.h"
#include "base/trace_event/memory_dump_provider.h"
namespace blink {
class WebMemoryDumpProvider;
} // namespace blink
namespace content {
// Adapter class which makes it possible to register a WebMemoryDumpProvider (
// from blink) to base::trace_event::MemoryDumpManager, which expects a
// MemoryDumpProvider instead.
// This is essentially proxying the OnMemoryDump from chromium base to blink.
class WebMemoryDumpProviderAdapter
: public base::trace_event::MemoryDumpProvider {
public:
explicit WebMemoryDumpProviderAdapter(blink::WebMemoryDumpProvider* wmdp);
~WebMemoryDumpProviderAdapter() override;
// base::trace_event::MemoryDumpProvider implementation.
bool OnMemoryDump(const base::trace_event::MemoryDumpArgs& args,
base::trace_event::ProcessMemoryDump* pmd) override;
void OnHeapProfilingEnabled(bool enabled) override;
bool is_registered() const { return is_registered_; }
void set_is_registered(bool is_registered) { is_registered_ = is_registered; }
private:
// The underlying WebMemoryDumpProvider instance to which the OnMemoryDump()
// calls will be proxied to.
blink::WebMemoryDumpProvider* web_memory_dump_provider_; // Not owned.
// True iff this has been registered with the MDM (and not unregistered yet).
bool is_registered_;
DISALLOW_COPY_AND_ASSIGN(WebMemoryDumpProviderAdapter);
};
} // namespace content
#endif // CONTENT_CHILD_WEB_MEMORY_DUMP_PROVIDER_ADAPTER_H_
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