Show type names in Oilpan heap profiler

third_party/WebKit/Source/platform/heap/BlinkGCMemoryDumpProvider.cpp

 // 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.
 
 #include "platform/heap/BlinkGCMemoryDumpProvider.h"
 
 #include "base/trace_event/heap_profiler_allocation_context_tracker.h"
 #include "base/trace_event/heap_profiler_allocation_register.h"
 #include "base/trace_event/trace_event_memory_overhead.h"
 #include "platform/heap/Handle.h"
@@ skipping 13 matching lines @@
     allocatorDump->addScalar("size", "bytes", Heap::allocatedSpace());
 
     dumpName.append("/allocated_objects");
     WebMemoryAllocatorDump* objectsDump = memoryDump->createMemoryAllocatorDump(dumpName);
 
     // Heap::markedObjectSize() can be underestimated if we're still in the
     // process of lazy sweeping.
     objectsDump->addScalar("size", "bytes", Heap::allocatedObjectSize() + Heap::markedObjectSize());
 }
 
-void reportAllocation(Address address, size_t size)
+void reportAllocation(Address address, size_t size, const char* typeName)
 {
-    BlinkGCMemoryDumpProvider::instance()->insert(address, size);
+    BlinkGCMemoryDumpProvider::instance()->insert(address, size, typeName);
 }
 
 void reportFree(Address address)
 {
     BlinkGCMemoryDumpProvider::instance()->remove(address);
 }
 
 } // namespace
 
 BlinkGCMemoryDumpProvider* BlinkGCMemoryDumpProvider::instance()
@@ skipping 60 matching lines @@
 {
     m_currentProcessMemoryDump->clear();
 }
 
 BlinkGCMemoryDumpProvider::BlinkGCMemoryDumpProvider()
     : m_currentProcessMemoryDump(adoptPtr(Platform::current()->createProcessMemoryDump()))
     , m_isHeapProfilingEnabled(false)
 {
 }
 
-void BlinkGCMemoryDumpProvider::insert(Address address, size_t size)
+void BlinkGCMemoryDumpProvider::insert(Address address, size_t size, const char* typeName)
 {
     base::trace_event::AllocationContext context = base::trace_event::AllocationContextTracker::GetContextSnapshot();
-    // TODO(hajimehoshi): Implement to use a correct type name.
-    context.type_name = "";
+    context.type_name = typeName;
     MutexLocker locker(m_allocationRegisterMutex);
     if (m_allocationRegister)
         m_allocationRegister->Insert(address, size, context);
 }
 
 void BlinkGCMemoryDumpProvider::remove(Address address)
 {
     MutexLocker locker(m_allocationRegisterMutex);
     if (m_allocationRegister)
         m_allocationRegister->Remove(address);
 }
 
 } // namespace blink