Refactoring: Move functions from WebMemoryDumpProviderAdapter to PartitionAllocMemoryDumpProvider

third_party/WebKit/public/platform/WebProcessMemoryDump.h

Index: third_party/WebKit/public/platform/WebProcessMemoryDump.h
diff --git a/third_party/WebKit/public/platform/WebProcessMemoryDump.h b/third_party/WebKit/public/platform/WebProcessMemoryDump.h
index 39ec7ef74d0edec9c4ccecbed6b3e37e23673995..4f5301f68dfc3748f1192395f781e814528f1bd4 100644
--- a/third_party/WebKit/public/platform/WebProcessMemoryDump.h
+++ b/third_party/WebKit/public/platform/WebProcessMemoryDump.h
@@ -9,9 +9,19 @@
 #include "WebMemoryAllocatorDump.h"
 #include "WebMemoryDumpProvider.h"
 #include "WebString.h"
+#include "base/trace_event/heap_profiler_allocation_context.h"
 
 class SkTraceMemoryDump;
 
+namespace base {
+namespace trace_event {
+
+class ProcessMemoryDump;
+class TraceEventMemoryOverhead;
+
+} // namespace trace_event
+} // namespace base
+
 namespace blink {
 
 // A container which holds all the dumps for the various allocators for a given
@@ -103,6 +113,14 @@ public:
         BLINK_ASSERT_NOT_REACHED();
         return nullptr;
     }
+
+    // Dumps heap memory usage in Parition Alloc.
+    // TODO(hajimehoshi): Refactor this so that we can use this for other
+    // allocators than Partition Alloc.
+    virtual void dumpPartitionAllocHeapUsage(const base::hash_map<base::trace_event::AllocationContext, size_t>& bytesByContext, base::trace_event::TraceEventMemoryOverhead& overhead)
+    {
+        BLINK_ASSERT_NOT_REACHED();
+    }
 };
 
 } // namespace blink