Move discardable memory to //components from //content

components/discardable_memory/common/discardable_shared_memory_heap_perftest.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 "content/common/discardable_shared_memory_heap.h"
+#include "components/discardable_memory/common/discardable_shared_memory_heap.h"
 
 #include <stddef.h>
 #include <algorithm>
 #include <cmath>
 #include <cstdlib>
 #include <utility>
 
 #include "base/bind.h"
 #include "base/callback_helpers.h"
 #include "base/memory/discardable_shared_memory.h"
 #include "base/memory/scoped_vector.h"
 #include "base/process/process_metrics.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "testing/perf/perf_test.h"
 
-namespace content {
+namespace discardable_memory {
 namespace {
 
 const int kTimeLimitMs = 2000;
 const int kTimeCheckInterval = 8192;
 
-void NullTask() {
-}
+void NullTask() {}
 
 TEST(DiscardableSharedMemoryHeapTest, SearchFreeLists) {
   size_t block_size = base::GetPageSize();
   DiscardableSharedMemoryHeap heap(block_size);
 
   const size_t kBlocks = 4096;
   const size_t kSegments = 16;
   size_t segment_size = block_size * kBlocks;
   int next_discardable_shared_memory_id = 0;
 
@@ skipping 52 matching lines @@
     start = now;
   }
 
   spans.clear();
 
   perf_test::PrintResult("search_free_list", "", "",
                          count / accumulator.InSecondsF(), "runs/s", true);
 }
 
 }  // namespace
-}  // namespace content
+}  // namespace discardable_memory