Provide renderers with memory pressure signals.

content/browser/memory/memory_message_filter.cc

Index: content/browser/memory/memory_message_filter.cc
diff --git a/content/browser/memory/memory_message_filter.cc b/content/browser/memory/memory_message_filter.cc
index 110f8396aaef66833cdb05c640879fdb7811bd1b..9ab2adbd18ca7670664589e2972d841ed7778927 100644
--- a/content/browser/memory/memory_message_filter.cc
+++ b/content/browser/memory/memory_message_filter.cc
@@ -4,7 +4,7 @@
 
 #include "content/browser/memory/memory_message_filter.h"
 
-#include "content/browser/memory/memory_pressure_controller.h"
+#include "content/browser/memory/memory_pressure_controller_impl.h"
 #include "content/common/memory_messages.h"
 
 namespace content {
@@ -27,11 +27,12 @@ MemoryMessageFilter::MemoryMessageFilter(
 MemoryMessageFilter::~MemoryMessageFilter() {}
 
 void MemoryMessageFilter::OnFilterAdded(IPC::Sender* sender) {
-  MemoryPressureController::GetInstance()->OnMemoryMessageFilterAdded(this);
+  MemoryPressureControllerImpl::GetInstance()->OnMemoryMessageFilterAdded(this);
 }
 
 void MemoryMessageFilter::OnChannelClosing() {
-  MemoryPressureController::GetInstance()->OnMemoryMessageFilterRemoved(this);
+  MemoryPressureControllerImpl::GetInstance()
+      ->OnMemoryMessageFilterRemoved(this);
 }
 
 bool MemoryMessageFilter::OnMessageReceived(const IPC::Message& message) {