[tracing] Simplify MemoryDumpProvider interface

base/trace_event/winheap_dump_provider_win.h

Index: base/trace_event/winheap_dump_provider_win.h
diff --git a/base/trace_event/winheap_dump_provider_win.h b/base/trace_event/winheap_dump_provider_win.h
index 8abac47efce08bd44b3101632b8ef03faa47a67c..42f489d17c2c1a79656a8d68e47af4280c528741 100644
--- a/base/trace_event/winheap_dump_provider_win.h
+++ b/base/trace_event/winheap_dump_provider_win.h
@@ -29,8 +29,7 @@ class BASE_EXPORT WinHeapDumpProvider : public MemoryDumpProvider {
   static WinHeapDumpProvider* GetInstance();
 
   // MemoryDumpProvider implementation.
-  bool DumpInto(ProcessMemoryDump* pmd) override;
-  const char* GetFriendlyName() const override;
+  bool OnMemoryDump(ProcessMemoryDump* pmd) override;
 
  private:
   friend struct DefaultSingletonTraits<WinHeapDumpProvider>;
@@ -42,7 +41,7 @@ class BASE_EXPORT WinHeapDumpProvider : public MemoryDumpProvider {
                           const std::set<void*>& block_to_skip);
 
   WinHeapDumpProvider() {}
-  ~WinHeapDumpProvider() override {}
+  virtual ~WinHeapDumpProvider() {}
 
   DISALLOW_COPY_AND_ASSIGN(WinHeapDumpProvider);
 };