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

ash/shell/content/client/shell_content_browser_client.h

Index: ash/shell/content/client/shell_content_browser_client.h
diff --git a/ash/shell/content/client/shell_content_browser_client.h b/ash/shell/content/client/shell_content_browser_client.h
index 116c4b6260f9647dba4bb4ffab21181ec68f56b5..ec86edd2dd5cc8b6c169d5b19b06b20fea8072b6 100644
--- a/ash/shell/content/client/shell_content_browser_client.h
+++ b/ash/shell/content/client/shell_content_browser_client.h
@@ -31,6 +31,12 @@ class ShellContentBrowserClient : public content::ContentBrowserClient {
   content::BrowserMainParts* CreateBrowserMainParts(
       const content::MainFunctionParams& parameters) override;
 
+  // TODO
+  // void GetTemporaryStorageConfiguration(
+  //    content::BrowserContext* context,
+  //    const base::FilePath& partition_path, bool is_incognito,
+  //    const storage::TemporaryStorageConfigurationCallback& callback)override;
+
  private:
   ShellBrowserMainParts* shell_browser_main_parts_;