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

ash/shell/content/client/shell_content_browser_client.h

 // 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.
 
 #ifndef ASH_SHELL_CONTENT_CLIENT_SHELL_CONTENT_BROWSER_CLIENT_H_
 #define ASH_SHELL_CONTENT_CLIENT_SHELL_CONTENT_BROWSER_CLIENT_H_
 
 #include <string>
 
 #include "base/compiler_specific.h"
@@ skipping 10 matching lines @@
 class ShellBrowserMainParts;
 
 class ShellContentBrowserClient : public content::ContentBrowserClient {
  public:
   ShellContentBrowserClient();
   ~ShellContentBrowserClient() override;
 
   // Overridden from content::ContentBrowserClient:
   content::BrowserMainParts* CreateBrowserMainParts(
       const content::MainFunctionParams& parameters) override;
-  void GetQuotaSettings(
-      content::BrowserContext* context,
-      content::StoragePartition* partition,
-      const storage::OptionalQuotaSettingsCallback& callback) override;
 
  private:
   ShellBrowserMainParts* shell_browser_main_parts_;
 
   DISALLOW_COPY_AND_ASSIGN(ShellContentBrowserClient);
 };
 
 }  // namespace shell
 }  // namespace ash
 
 #endif  // ASH_SHELL_CONTENT_CLIENT_SHELL_CONTENT_BROWSER_CLIENT_H_