[tracing] Introduce MemoryDumpArgs to enable light and heavy dumps

base/trace_event/winheap_dump_provider_win.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_WINHEAP_DUMP_PROVIDER_WIN_H_
 #define BASE_TRACE_EVENT_WINHEAP_DUMP_PROVIDER_WIN_H_
 
 #include <set>
 
 #include "base/memory/singleton.h"
@@ skipping 15 matching lines @@
 // about them.
 class BASE_EXPORT WinHeapDumpProvider : public MemoryDumpProvider {
  public:
   // Name of the allocated_objects dump. Use this to declare suballocator dumps
   // from other dump providers.
   static const char kAllocatedObjects[];
 
   static WinHeapDumpProvider* GetInstance();
 
   // MemoryDumpProvider implementation.
-  bool OnMemoryDump(ProcessMemoryDump* pmd) override;
+  bool OnMemoryDump(const MemoryDumpArgs& args,
+                    ProcessMemoryDump* pmd) override;
 
  private:
   friend struct DefaultSingletonTraits<WinHeapDumpProvider>;
 
   // Retrieves the information about given heap. The |heap_info| should contain
   // a valid handle to an existing heap. The blocks contained in the
   // |block_to_skip| set will be ignored.
   bool GetHeapInformation(WinHeapInfo* heap_info,
                           const std::set<void*>& block_to_skip);
 
   WinHeapDumpProvider() {}
   ~WinHeapDumpProvider() override {}
 
   DISALLOW_COPY_AND_ASSIGN(WinHeapDumpProvider);
 };
 
 }  // namespace trace_event
 }  // namespace base
 
 #endif  // BASE_TRACE_EVENT_WINHEAP_DUMP_PROVIDER_WIN_H_