Added memory-monitor for ChromeOS.

content/browser/BUILD.gn

 # Copyright 2014 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("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//media/media_options.gni")
 import("//tools/ipc_fuzzer/ipc_fuzzer.gni")
 
 source_set("browser") {
@@ skipping 849 matching lines @@
     "media/session/media_session_delegate_default.cc",
     "media/session/media_session_observer.h",
     "media/session/media_session_uma_helper.cc",
     "media/session/media_session_uma_helper.h",
     "memory/memory_coordinator.cc",
     "memory/memory_coordinator.h",
     "memory/memory_message_filter.cc",
     "memory/memory_message_filter.h",
     "memory/memory_monitor.cc",
     "memory/memory_monitor.h",
-    "memory/memory_monitor_linux.cc",
-    "memory/memory_monitor_linux.h",
     "memory/memory_monitor_win.cc",
     "memory/memory_monitor_win.h",
     "memory/memory_pressure_controller_impl.cc",
     "memory/memory_pressure_controller_impl.h",
     "message_port_message_filter.cc",
     "message_port_message_filter.h",
     "message_port_provider.cc",
     "message_port_service.cc",
     "message_port_service.h",
     "mime_registry_impl.cc",
@@ skipping 494 matching lines @@
     "zygote_host/zygote_communication_linux.h",
     "zygote_host/zygote_handle_linux.cc",
     "zygote_host/zygote_host_impl_linux.cc",
     "zygote_host/zygote_host_impl_linux.h",
   ]
 
   if (toolkit_views) {
     deps += [ "//ui/events" ]
   }
 
+  # ChromeOS also defines linux but their memory-monitors conflict.
+  if (is_chromeos) {
+    sources += [
+      "memory/memory_monitor_chromeos.cc",
+      "memory/memory_monitor_chromeos.h",
+    ]
+  } else {
+    sources += [
+      "memory/memory_monitor_linux.cc",
+      "memory/memory_monitor_linux.h",
+    ]
+  }
+
   if (!is_win) {
     sources += [
       "file_descriptor_info_impl.cc",
       "file_descriptor_info_impl.h",
     ]
   }
 
   if (enable_basic_printing || enable_print_preview) {
     deps += [ "//printing" ]
   }
@@ skipping 536 matching lines @@
   if (!is_component_build) {
     public_deps = [
       ":browser",
     ]
   } else {
     public_deps = [
       "//third_party/leveldatabase",
     ]
   }
 }