allocator cleanup: remove memory benchmarking extension

content/browser/renderer_host/memory_benchmark_message_filter.cc

Index: content/browser/renderer_host/memory_benchmark_message_filter.cc
diff --git a/content/browser/renderer_host/memory_benchmark_message_filter.cc b/content/browser/renderer_host/memory_benchmark_message_filter.cc
deleted file mode 100644
index 9125a8c0873220ce7fd513462832e23d8d67bb16..0000000000000000000000000000000000000000
--- a/content/browser/renderer_host/memory_benchmark_message_filter.cc
+++ /dev/null
@@ -1,41 +0,0 @@
-// Copyright (c) 2013 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/browser/renderer_host/memory_benchmark_message_filter.h"
-
-#include "build/build_config.h"
-#include "content/common/memory_benchmark_messages.h"
-
-#if defined(USE_TCMALLOC) && (defined(OS_LINUX) || defined(OS_ANDROID))
-
-#include "third_party/tcmalloc/chromium/src/gperftools/heap-profiler.h"
-
-namespace content {
-
-MemoryBenchmarkMessageFilter::MemoryBenchmarkMessageFilter()
-    : BrowserMessageFilter(MemoryBenchmarkMsgStart) {
-}
-
-bool MemoryBenchmarkMessageFilter::OnMessageReceived(
-    const IPC::Message& message) {
-  bool handled = true;
-  IPC_BEGIN_MESSAGE_MAP(MemoryBenchmarkMessageFilter, message)
-    IPC_MESSAGE_HANDLER(MemoryBenchmarkHostMsg_HeapProfilerDump,
-                        OnHeapProfilerDump)
-    IPC_MESSAGE_UNHANDLED(handled = false)
-  IPC_END_MESSAGE_MAP()
-  return handled;
-}
-
-MemoryBenchmarkMessageFilter::~MemoryBenchmarkMessageFilter() {
-}
-
-void MemoryBenchmarkMessageFilter::OnHeapProfilerDump(
-    const std::string& reason) {
-  ::HeapProfilerDump(reason.c_str());
-}
-
-}  // namespace content
-
-#endif  // defined(USE_TCMALLOC) && (defined(OS_LINUX) || defined(OS_ANDROID))