Replace uses of hash_map in //base

third_party/WebKit/Source/platform/PartitionAllocMemoryDumpProvider.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/PartitionAllocMemoryDumpProvider.h"
 
 #include "base/strings/stringprintf.h"
 #include "base/trace_event/heap_profiler_allocation_context.h"
 #include "base/trace_event/heap_profiler_allocation_context_tracker.h"
 #include "base/trace_event/heap_profiler_allocation_register.h"
@@ skipping 118 matching lines @@
 
 bool PartitionAllocMemoryDumpProvider::OnMemoryDump(
     const base::trace_event::MemoryDumpArgs& args,
     base::trace_event::ProcessMemoryDump* memory_dump) {
   using base::trace_event::MemoryDumpLevelOfDetail;
 
   MemoryDumpLevelOfDetail level_of_detail = args.level_of_detail;
   if (is_heap_profiling_enabled_) {
     // Overhead should always be reported, regardless of light vs. heavy.
     base::trace_event::TraceEventMemoryOverhead overhead;
-    base::hash_map<base::trace_event::AllocationContext,
-                   base::trace_event::AllocationMetrics>
+    std::unordered_map<base::trace_event::AllocationContext,

[Łukasz Anforowicz, 2017/04/24 18:46:10]

IWYU: #include <unordered_map>?

+                       base::trace_event::AllocationMetrics>
         metrics_by_context;
     {
       MutexLocker locker(allocation_register_mutex_);
       // Dump only the overhead estimation in non-detailed dumps.
       if (level_of_detail == MemoryDumpLevelOfDetail::DETAILED) {
         for (const auto& alloc_size : *allocation_register_) {
           base::trace_event::AllocationMetrics& metrics =
               metrics_by_context[alloc_size.context];
           metrics.size += alloc_size.size;
           metrics.count++;
@@ skipping 64 matching lines @@
     allocation_register_->Insert(address, size, context);
 }
 
 void PartitionAllocMemoryDumpProvider::Remove(void* address) {
   MutexLocker locker(allocation_register_mutex_);
   if (allocation_register_)
     allocation_register_->Remove(address);
 }
 
 }  // namespace blink