Restore storage partition isolation by origin.

This got lost in the transition from muon to brave-core.  OOPS.

fix brave/brave-browser#4442

browser/brave_content_browser_client.cc

@@ -347,3 +347,35 @@ GURL BraveContentBrowserClient::GetEffectiveURL(
   return url;
 #endif
 }
+
+std::string BraveContentBrowserClient::GetStoragePartitionIdForSite(
+    content::BrowserContext* browser_context,
+    const GURL& site) {
+  std::string partition_id =
+    ChromeContentBrowserClient::GetStoragePartitionIdForSite(
+        browser_context, site);
+  if (browser_context->IsTorProfile()) {
+    partition_id = site.spec();
+  }
+  DCHECK(IsValidStoragePartitionId(browser_context, partition_id));
+  return partition_id;
+}
+
+void BraveContentBrowserClient::GetStoragePartitionConfigForSite(
+    content::BrowserContext* browser_context,
+    const GURL& site,
+    bool can_be_default,
+    std::string* partition_domain,
+    std::string* partition_name,
+    bool* in_memory) {
+  ChromeContentBrowserClient::GetStoragePartitionConfigForSite(
+      browser_context, site, can_be_default, partition_domain, partition_name,
+      in_memory);
+  if (browser_context->IsTorProfile()) {
+    if (!site.is_empty()) {
+      *partition_domain = site.host();
+      *partition_name = "tor";
+    }
+    *in_memory = true;
+  }
+}

browser/brave_content_browser_client.h

@@ -80,6 +80,17 @@ class BraveContentBrowserClient : public ChromeContentBrowserClient {
   GURL GetEffectiveURL(content::BrowserContext* browser_context,
                        const GURL& url) override;
 
+  std::string GetStoragePartitionIdForSite(
+      content::BrowserContext* browser_context,
+      const GURL& site) override;
+  void GetStoragePartitionConfigForSite(
+      content::BrowserContext* browser_context,
+      const GURL& site,
+      bool can_be_default,
+      std::string* partition_domain,
+      std::string* partition_name,
+      bool* in_memory) override;
+
  private:
   bool AllowAccessCookie(const GURL& url, const GURL& first_party,
       content::ResourceContext* context, int render_process_id,