Change how the quota system computes the total poolsize for temporary storage

ash/shell/content/client/shell_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 "ash/shell/content/client/shell_content_browser_client.h"
 
 #include <utility>
 
 #include "ash/shell/content/client/shell_browser_main_parts.h"
 #include "base/command_line.h"
+#include "content/public/browser/browser_thread.h"
+#include "content/public/browser/storage_partition.h"
+#include "storage/browser/quota/quota_settings.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 
 namespace ash {
 namespace shell {
 
 ShellContentBrowserClient::ShellContentBrowserClient()
     : shell_browser_main_parts_(nullptr) {}
 
 ShellContentBrowserClient::~ShellContentBrowserClient() {}
 
 content::BrowserMainParts* ShellContentBrowserClient::CreateBrowserMainParts(
     const content::MainFunctionParams& parameters) {
   shell_browser_main_parts_ = new ShellBrowserMainParts(parameters);
   return shell_browser_main_parts_;
 }
 
+void ShellContentBrowserClient::GetQuotaSettings(
+    content::BrowserContext* context,
+    content::StoragePartition* partition,
+    const storage::OptionalQuotaSettingsCallback& callback) {
+  content::BrowserThread::PostTaskAndReplyWithResult(
+      content::BrowserThread::FILE, FROM_HERE,
+      base::Bind(&storage::CalculateNominalDynamicSettings,
+                 partition->GetPath(), context->IsOffTheRecord()),
+      callback);
+}
+
 }  // namespace examples
 }  // namespace views