Improvements to uses of base::SmallMap

base/trace_event/trace_event_memory_overhead.cc

 // 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 "base/trace_event/trace_event_memory_overhead.h"
 
 #include <algorithm>
 
 #include "base/bits.h"
 #include "base/memory/ref_counted_memory.h"
@@ skipping 97 matching lines @@
         AddValue(v);
     } break;
 
     default:
       NOTREACHED();
   }
 }
 
 void TraceEventMemoryOverhead::AddSelf() {
   size_t estimated_size = sizeof(*this);
-  // If the SmallMap did overflow its static capacity, its elements will be
+  // If the small_map did overflow its static capacity, its elements will be
   // allocated on the heap and have to be accounted separately.
   if (allocated_objects_.UsingFullMap())
     estimated_size += sizeof(map_type::value_type) * allocated_objects_.size();
   Add("TraceEventMemoryOverhead", estimated_size);
 }
 
 size_t TraceEventMemoryOverhead::GetCount(const char* object_type) const {
   const auto& it = allocated_objects_.find(object_type);
   if (it == allocated_objects_.end())
     return 0u;
@@ skipping 18 matching lines @@
                    it.second.allocated_size_in_bytes);
     mad->AddScalar("resident_size", MemoryAllocatorDump::kUnitsBytes,
                    it.second.resident_size_in_bytes);
     mad->AddScalar(MemoryAllocatorDump::kNameObjectCount,
                    MemoryAllocatorDump::kUnitsObjects, it.second.count);
   }
 }
 
 }  // namespace trace_event
 }  // namespace base