Add pipe implementation for OOP memory logging

chrome/common/profiling/BUILD.gn

 # Copyright 2017 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.
 
 import("//chrome/common/features.gni")
 
 if (enable_oop_heap_profiling) {
   static_library("profiling") {
     sources = [
-      "profiling_globals.cc",
-      "profiling_globals.h",
-      "profiling_main.cc",
-      "profiling_main.h",
+      "memlog_sender_pipe.h",
+      "memlog_sender_pipe_win.cc",
+      "memlog_sender_pipe_win.h",
+      "memlog_stream.cc",
+      "memlog_stream.h",
     ]
 
     deps = [
       "//base",
-      "//chrome/common",
-      "//mojo/edk/system",
+      "//base:debugging_flags",
+      "//chrome/common:constants",
     ]
   }
 } else {
-  # Dummy target so this can be unconditionally depended on and header checking
-  # will work.
-  source_set("profiling") {
-    sources = [
-      "profiling_main.h",
-    ]
+  # Dummy group so this target can be unconditionally depended on.
+  group("profiling") {
   }
 }