Remove stl_util's deletion function use from blimp/.

blimp/client/app/blimp_discardable_memory_allocator.cc

 // Copyright 2016 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 "blimp/client/app/blimp_discardable_memory_allocator.h"
 
 #include "base/macros.h"
 #include "base/memory/discardable_memory.h"
-#include "base/stl_util.h"
 #include "base/trace_event/memory_allocator_dump.h"
 #include "base/trace_event/memory_dump_manager.h"
 #include "base/trace_event/process_memory_dump.h"
 
 namespace blimp {
 namespace client {
 
 namespace {
 
 size_t kDesiredMaxMemory = 20 * 1024 * 1024; /* 20 MB */
@@ skipping 90 matching lines @@
 
 BlimpDiscardableMemoryAllocator::BlimpDiscardableMemoryAllocator(
     size_t desired_max_memory)
     : desired_max_memory_(desired_max_memory),
       total_live_memory_(0u),
       locked_chunks_(0) {
 }
 
 BlimpDiscardableMemoryAllocator::~BlimpDiscardableMemoryAllocator() {
   DCHECK_EQ(0, locked_chunks_);
-  base::STLDeleteElements(&live_unlocked_chunks_);
+  DCHECK_EQ(0u, live_unlocked_chunks_.size());
 }
 
 std::unique_ptr<base::DiscardableMemory>
 BlimpDiscardableMemoryAllocator::AllocateLockedDiscardableMemory(size_t size) {
   base::AutoLock lock(lock_);
   std::unique_ptr<DiscardableMemoryChunkImpl> chunk(
       new DiscardableMemoryChunkImpl(size, this));
   total_live_memory_ += size;
   locked_chunks_++;
 
@@ skipping 33 matching lines @@
   while (total_live_memory_ > desired_max_memory_ &&
          it != live_unlocked_chunks_.end()) {
     total_live_memory_ -= (*it)->size();
     (*it)->Discard();
     it = live_unlocked_chunks_.erase(it);
   }
 }
 
 }  // namespace client
 }  // namespace blimp