[tracing] Remove MemoryAllocatorDump::process_memory_dump

components/sync/syncable/directory_backing_store.h

Index: components/sync/syncable/directory_backing_store.h
diff --git a/components/sync/syncable/directory_backing_store.h b/components/sync/syncable/directory_backing_store.h
index 2f3959c2d102c265c4e8a459898660a5c36fb239..c89bc774bfb1f45236dc31ced802515e8a2595d2 100644
--- a/components/sync/syncable/directory_backing_store.h
+++ b/components/sync/syncable/directory_backing_store.h
@@ -22,7 +22,7 @@
 
 namespace base {
 namespace trace_event {
-class MemoryAllocatorDump;
+class ProcessMemoryDump;
 }
 }
 
@@ -104,7 +104,8 @@ class DirectoryBackingStore : public base::NonThreadSafe {
   // Returns true on success, false on error.
   bool GetDatabasePageSize(int* page_size);
 
-  bool ReportMemoryUsage(base::trace_event::MemoryAllocatorDump* mad);
+  bool ReportMemoryUsage(base::trace_event::ProcessMemoryDump* pmd,
+                         const std::string& dump_name);
 
  protected:
   // For test classes.