Adds MemoryPressureListener.

base/android/base_jni_registrar.cc

Index: base/android/base_jni_registrar.cc
diff --git a/base/android/base_jni_registrar.cc b/base/android/base_jni_registrar.cc
index 537933c10ce8dba5f84baf553dccf07411c4e93d..090645ffed541668d1bc29715e59cbff903cf2ea 100644
--- a/base/android/base_jni_registrar.cc
+++ b/base/android/base_jni_registrar.cc
@@ -10,6 +10,7 @@
 #include "base/android/important_file_writer_android.h"
 #include "base/android/jni_android.h"
 #include "base/android/jni_registrar.h"
+#include "base/android/memory_pressure_android.h"
 #include "base/android/path_service_android.h"
 #include "base/android/path_utils.h"
 #include "base/android/thread_utils.h"
@@ -34,6 +35,7 @@ static RegistrationMethod kBaseRegisteredMethods[] = {
   { "CpuFeatures", base::android::RegisterCpuFeatures },
   { "ImportantFileWriterAndroid",
     base::android::RegisterImportantFileWriterAndroid },
+  { "MemoryPressureAndroid", base::android::MemoryPressureAndroid::Register },
   { "PathService", base::android::RegisterPathService },
   { "PathUtils", base::android::RegisterPathUtils },
   { "SystemMessageHandler", base::MessagePumpForUI::RegisterBindings },