Update monet.

tools/android/memconsumer/memconsumer_hook.cc

Index: tools/android/memconsumer/memconsumer_hook.cc
diff --git a/tools/android/memconsumer/memconsumer_hook.cc b/tools/android/memconsumer/memconsumer_hook.cc
new file mode 100644
index 0000000000000000000000000000000000000000..9ae0bc14f03c03d77360db44a09c45eb02b9e569
--- /dev/null
+++ b/tools/android/memconsumer/memconsumer_hook.cc
@@ -0,0 +1,55 @@
+// Copyright 2013 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.
+
+#include <android/log.h>
+#include <jni.h>
+#include <stdio.h>
+#include <string.h>
+
+extern "C" {
+JNIEXPORT void JNICALL
+    Java_org_chromium_memconsumer_ResidentService_nativeUseMemory(JNIEnv* env,
+                                                                  jobject clazz,
+                                                                  jlong memory);
+}
+
+namespace {
+
+uint32_t get_random() {
+  static uint32_t m_w = 1;
+  static uint32_t m_z = 1;
+  m_z = 36969 * (m_z & 65535) + (m_z >> 16);
+  m_w = 18000 * (m_w & 65535) + (m_w >> 16);
+  return (m_z << 16) + m_w;
+}
+
+}  // namespace
+
+JNIEXPORT void JNICALL
+    Java_org_chromium_memconsumer_ResidentService_nativeUseMemory(
+        JNIEnv* env,
+        jobject clazz,
+        jlong memory) {
+  static uint32_t* g_memory = NULL;
+  if (g_memory)
+    free(g_memory);
+  if (memory == 0) {
+    g_memory = NULL;
+    return;
+  }
+  g_memory = static_cast<uint32_t*>(malloc(memory));
+  if (!g_memory) {
+    __android_log_print(ANDROID_LOG_WARN,
+                        "MemConsumer",
+                        "Unable to allocate %ld bytes",
+                        memory);
+  }
+  // If memory allocation failed, try to allocate as much as possible.
+  while (!g_memory) {
+    memory /= 2;
+    g_memory = static_cast<uint32_t*>(malloc(memory));
+  }
+  for (int i = 0; i < memory / sizeof(uint32_t); ++i)
+    *(g_memory + i) = get_random();
+}