Remove WebMemoryDumpProvider

third_party/WebKit/public/platform/WebMemoryDumpProvider.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 WebMemoryDumpProvider_h
-#define WebMemoryDumpProvider_h
-
-#include "WebCommon.h"
-
-namespace blink {
-
-class WebProcessMemoryDump;
-
-// Used to specify the type of memory dump the WebMemoryDumpProvider should
-// generate on dump requests.
-// TODO(hajimehoshi): Remove this and use base::trace_event::
-// MemoryDumpLevelOfDetail instead.
-enum class WebMemoryDumpLevelOfDetail {
-    Light,
-    Detailed
-};
-
-// Base interface to be part of the memory tracing infrastructure. Blink classes
-// can implement this interface and register themselves (see
-// Platform::registerMemoryDumpProvider()) to dump stats for their allocators.
-class BLINK_PLATFORM_EXPORT WebMemoryDumpProvider {
-public:
-    // Function types for functions that can be called on alloc and free to do
-    // heap profiling.
-    typedef void AllocationHook(void* address, size_t, const char*);
-    typedef void FreeHook(void* address);
-
-    virtual ~WebMemoryDumpProvider();
-
-    // Called by the MemoryDumpManager when generating memory dumps.
-    // WebMemoryDumpLevelOfDetail specifies the size of dump the embedders
-    // should generate on dump requests. Embedders are expected to populate
-    // the WebProcessMemoryDump* argument depending on the level and return true
-    // on success or false if anything went wrong and the dump should be
-    // considered invalid.
-    virtual bool onMemoryDump(WebMemoryDumpLevelOfDetail, WebProcessMemoryDump*) = 0;
-
-    // Because Blink cannot depend on base, heap profiling bookkeeping has to
-    // be done in the glue layer for now. This method allows the glue layer to
-    // detect whether the current dump provider supports heap profiling.
-    // TODO(ruuda): Remove once wtf can depend on base and do bookkeeping in the
-    // provider itself.
-    virtual bool supportsHeapProfiling() { return false; }
-
-    // Called by the memory dump manager to enable heap profiling (with true) or
-    // called to disable heap profiling (with false).
-    virtual void onHeapProfilingEnabled(bool enabled) {}
-};
-
-} // namespace blink
-
-#endif // WebMemoryDumpProvider_h