Remove renderer notifications of memory pressure.

content/browser/browser_child_process_host_impl.cc

Index: content/browser/browser_child_process_host_impl.cc
diff --git a/content/browser/browser_child_process_host_impl.cc b/content/browser/browser_child_process_host_impl.cc
index e538b7029c8a96efa0b8ead569d460213da61911..545dab3251bd9d328bc8692af98b62b18c619364 100644
--- a/content/browser/browser_child_process_host_impl.cc
+++ b/content/browser/browser_child_process_host_impl.cc
@@ -28,7 +28,6 @@
 #include "components/tracing/common/tracing_switches.h"
 #include "content/browser/histogram_message_filter.h"
 #include "content/browser/loader/resource_message_filter.h"
-#include "content/browser/memory/memory_message_filter.h"
 #include "content/browser/profiler_message_filter.h"
 #include "content/browser/service_manager/service_manager_context.h"
 #include "content/browser/tracing/trace_message_filter.h"
@@ -159,7 +158,6 @@ BrowserChildProcessHostImpl::BrowserChildProcessHostImpl(
   AddFilter(new TraceMessageFilter(data_.id));
   AddFilter(new ProfilerMessageFilter(process_type));
   AddFilter(new HistogramMessageFilter);
-  AddFilter(new MemoryMessageFilter(this, process_type));
 
   g_child_process_list.Get().push_back(this);
   GetContentClient()->browser()->BrowserChildProcessHostCreated(this);