feat: preliminary support for //extensions (#17440)

shell/browser/extensions/atom_extension_host_delegate.h

@@ -0,0 +1,52 @@
+// Copyright 2014 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 SHELL_BROWSER_EXTENSIONS_ATOM_EXTENSION_HOST_DELEGATE_H_
+#define SHELL_BROWSER_EXTENSIONS_ATOM_EXTENSION_HOST_DELEGATE_H_
+
+#include <memory>
+#include <string>
+
+#include "base/macros.h"
+#include "extensions/browser/extension_host_delegate.h"
+
+namespace extensions {
+
+// A minimal ExtensionHostDelegate.
+class AtomExtensionHostDelegate : public ExtensionHostDelegate {
+ public:
+  AtomExtensionHostDelegate();
+  ~AtomExtensionHostDelegate() override;
+
+  // ExtensionHostDelegate implementation.
+  void OnExtensionHostCreated(content::WebContents* web_contents) override;
+  void OnRenderViewCreatedForBackgroundPage(ExtensionHost* host) override;
+  content::JavaScriptDialogManager* GetJavaScriptDialogManager() override;
+  void CreateTab(std::unique_ptr<content::WebContents> web_contents,
+                 const std::string& extension_id,
+                 WindowOpenDisposition disposition,
+                 const gfx::Rect& initial_rect,
+                 bool user_gesture) override;
+  void ProcessMediaAccessRequest(content::WebContents* web_contents,
+                                 const content::MediaStreamRequest& request,
+                                 content::MediaResponseCallback callback,
+                                 const Extension* extension) override;
+  bool CheckMediaAccessPermission(content::RenderFrameHost* render_frame_host,
+                                  const GURL& security_origin,
+                                  blink::mojom::MediaStreamType type,
+                                  const Extension* extension) override;
+  ExtensionHostQueue* GetExtensionHostQueue() const override;
+  content::PictureInPictureResult EnterPictureInPicture(
+      content::WebContents* web_contents,
+      const viz::SurfaceId& surface_id,
+      const gfx::Size& natural_size) override;
+  void ExitPictureInPicture() override;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(AtomExtensionHostDelegate);
+};
+
+}  // namespace extensions
+
+#endif  // SHELL_BROWSER_EXTENSIONS_ATOM_EXTENSION_HOST_DELEGATE_H_