diff --git a/chrome/browser/ash/web_applications/terminal_source.cc b/chrome/browser/ash/web_applications/terminal_source.cc
index 1349c9c8e942c..9f7aa34614f7a 100644
--- a/chrome/browser/ash/web_applications/terminal_source.cc
+++ b/chrome/browser/ash/web_applications/terminal_source.cc
@@ -235,3 +235,13 @@ std::string TerminalSource::GetContentSecurityPolicy(
       return content::URLDataSource::GetContentSecurityPolicy(directive);
   }
 }
+
+// Required for wasm SharedArrayBuffer.
+std::string TerminalSource::GetCrossOriginOpenerPolicy() {
+  return "same-origin";
+}
+
+// Required for wasm SharedArrayBuffer.
+std::string TerminalSource::GetCrossOriginEmbedderPolicy() {
+  return "require-corp";
+}
diff --git a/chrome/browser/ash/web_applications/terminal_source.h b/chrome/browser/ash/web_applications/terminal_source.h
index 4907df790b1ff..8e39d8cdd4121 100644
--- a/chrome/browser/ash/web_applications/terminal_source.h
+++ b/chrome/browser/ash/web_applications/terminal_source.h
@@ -46,6 +46,8 @@ class TerminalSource : public content::URLDataSource {
   const ui::TemplateReplacements* GetReplacements() override;
   std::string GetContentSecurityPolicy(
       network::mojom::CSPDirectiveName directive) override;
+  std::string GetCrossOriginOpenerPolicy() override;
+  std::string GetCrossOriginEmbedderPolicy() override;
 
   Profile* profile_;
   std::string source_;