Refactoring: Move functions from WebMemoryDumpProviderAdapter to PartitionAllocMemoryDumpProvider

third_party/WebKit/public/platform/WebProcessMemoryDump.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 WebProcessMemoryDump_h
 #define WebProcessMemoryDump_h
 
 #include "WebCommon.h"
 #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
 // process. Embedders of WebMemoryDumpProvider are expected to populate a
 // WebProcessMemoryDump instance with the stats of their allocators.
 class BLINK_PLATFORM_EXPORT WebProcessMemoryDump {
 public:
     virtual ~WebProcessMemoryDump();
 
     // Creates a new MemoryAllocatorDump with the given name and returns the
@@ skipping 71 matching lines @@
     // objects can be created using this method. The created dumpers are owned
     // by WebProcessMemoryDump and cannot outlive the WebProcessMemoryDump
     // object owning them. |dumpNamePrefix| is prefix appended to each dump
     // created by the SkTraceMemoryDump implementation, if the dump should be
     // placed under different namespace and not "skia".
     virtual SkTraceMemoryDump* createDumpAdapterForSkia(const WebString& dumpNamePrefix)
     {
         BLINK_ASSERT_NOT_REACHED();
         return nullptr;
     }
+
+    // Dumps heap memory usage. |allocatorName| is used as an absolute name for
+    // base::trace_event::ProcessMemoryDump::AddHeapDump.
+    virtual void dumpHeapUsage(const base::hash_map<base::trace_event::AllocationContext, size_t>& bytesByContext, base::trace_event::TraceEventMemoryOverhead& overhead, const char* allocatorName)
+    {
+        BLINK_ASSERT_NOT_REACHED();
+    }
 };
 
 } // namespace blink
 
 #endif // WebProcessMemoryDump_h