[tracing] Track number of allocations in heap profiler

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"
@@ skipping 107 matching lines @@
     }
 
     virtual blink::WebMemoryAllocatorDump* createDiscardableMemoryAllocatorDump(const std::string& name, base::DiscardableMemory* discardable)
     {
         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)
+    virtual void dumpHeapUsage(const base::hash_map<base::trace_event::AllocationContext, base::trace_event::AllocationsSizeAndCount>& metricsByContext, base::trace_event::TraceEventMemoryOverhead& overhead, const char* allocatorName)

[Dmitry Skiba, 2016/04/14 19:07:30]

OMG long line, how did it pass presubmit check?

[Primiano Tucci (use gerrit), 2016/04/14 19:37:22]

Welcome to blink, where 80 col limit does not apply :)

     {
         BLINK_ASSERT_NOT_REACHED();
     }
 };
 
 } // namespace blink
 
 #endif // WebProcessMemoryDump_h