Use the site engagement eviction policy for temporary storage eviction.

content/public/browser/content_browser_client.cc

 // Copyright (c) 2012 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 "content/public/browser/content_browser_client.h"
 
 #include "base/files/file_path.h"
 #include "content/public/browser/client_certificate_delegate.h"
 #include "content/public/common/sandbox_type.h"
 #include "ui/gfx/image/image_skia.h"
@@ skipping 295 matching lines @@
 
 ui::SelectFilePolicy* ContentBrowserClient::CreateSelectFilePolicy(
     WebContents* web_contents) {
   return nullptr;
 }
 
 LocationProvider* ContentBrowserClient::OverrideSystemLocationProvider() {
   return nullptr;
 }
 
+storage::QuotaEvictionPolicy*
+ContentBrowserClient::GetTemporaryStorageEvictionPolicy(
+    BrowserContext* browser_context) {
+  return nullptr;
+}
+
 DevToolsManagerDelegate* ContentBrowserClient::GetDevToolsManagerDelegate() {
   return nullptr;
 }
 
 TracingDelegate* ContentBrowserClient::GetTracingDelegate() {
   return nullptr;
 }
 
 bool ContentBrowserClient::IsNPAPIEnabled() {
   return false;
@@ skipping 43 matching lines @@
 #if defined(VIDEO_HOLE)
 ExternalVideoSurfaceContainer*
 ContentBrowserClient::OverrideCreateExternalVideoSurfaceContainer(
     WebContents* web_contents) {
   NOTREACHED() << "Hole-punching is not supported. See crbug.com/469348.";
   return nullptr;
 }
 #endif
 
 }  // namespace content