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

chrome/browser/chrome_content_browser_client.h

Index: chrome/browser/chrome_content_browser_client.h
diff --git a/chrome/browser/chrome_content_browser_client.h b/chrome/browser/chrome_content_browser_client.h
index be14cefedf3b541443206341ca49157a10c34915..352f1568fd414fc785cd452bef003955c8e897f5 100644
--- a/chrome/browser/chrome_content_browser_client.h
+++ b/chrome/browser/chrome_content_browser_client.h
@@ -171,8 +171,11 @@ class ChromeContentBrowserClient : public content::ContentBrowserClient {
       const GURL& url,
       content::ResourceContext* context) override;
   content::QuotaPermissionContext* CreateQuotaPermissionContext() override;
-  std::unique_ptr<storage::QuotaEvictionPolicy>
-  GetTemporaryStorageEvictionPolicy(content::BrowserContext* context) override;
+  void GetQuotaSettings(
+      content::BrowserContext* context,
+      content::StoragePartition* partition,
+      const storage::OptionalQuotaSettingsCallback& callback) override;
+
   void AllowCertificateError(
       content::WebContents* web_contents,
       int cert_error,
@@ -326,6 +329,7 @@ class ChromeContentBrowserClient : public content::ContentBrowserClient {
 
  private:
   friend class DisableWebRtcEncryptionFlagTest;
+  friend class InProcessBrowserTest;
 
 #if BUILDFLAG(ENABLE_WEBRTC)
   // Copies disable WebRTC encryption switch depending on the channel.
@@ -356,6 +360,11 @@ class ChromeContentBrowserClient : public content::ContentBrowserClient {
       const base::Callback<void(bool)>& callback);
 #endif
 
+  // The value pointed to by |settings| should remain valid until the
+  // the function is called again with a new value or a nullptr.
+  static void SetDefaultQuotaSettingsForTesting(
+      const storage::QuotaSettings *settings);
+
 #if BUILDFLAG(ENABLE_PLUGINS)
   // Set of origins that can use TCP/UDP private APIs from NaCl.
   std::set<std::string> allowed_socket_origins_;