Add MemoryCoordinatorDelegate

chrome/browser/memory/chrome_memory_coordinator_delegate.cc

+// Copyright 2016 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 "chrome/browser/memory/chrome_memory_coordinator_delegate.h"
+
+#include "base/memory/ptr_util.h"
+#include "chrome/browser/browser_process.h"
+#include "chrome/browser/memory/tab_manager.h"
+
+namespace memory {
+
+// static
+std::unique_ptr<content::MemoryCoordinatorDelegate>
+ChromeMemoryCoordinatorDelegate::Create() {
+  return base::WrapUnique(new ChromeMemoryCoordinatorDelegate);
+}
+
+ChromeMemoryCoordinatorDelegate::ChromeMemoryCoordinatorDelegate() {}
+
+ChromeMemoryCoordinatorDelegate::~ChromeMemoryCoordinatorDelegate() {}
+
+bool ChromeMemoryCoordinatorDelegate::CanSuspendBackgroundedRenderer(
+    int render_process_id) {
+#if defined(OS_ANDROID)
+  // TODO(bashi): Implement
+  return true;
+#else
+  return g_browser_process->GetTabManager()->CanSuspendBackgroundedRenderer(
+      render_process_id);
+#endif
+}
+
+}  // namespace memory