refactor: rename the atom directory to shell

shell/browser/web_view_guest_delegate.h

@@ -0,0 +1,60 @@
+// Copyright (c) 2015 GitHub, Inc.
+// Use of this source code is governed by the MIT license that can be
+// found in the LICENSE file.
+
+#ifndef ATOM_BROWSER_WEB_VIEW_GUEST_DELEGATE_H_
+#define ATOM_BROWSER_WEB_VIEW_GUEST_DELEGATE_H_
+
+#include "atom/browser/web_contents_zoom_controller.h"
+#include "content/public/browser/browser_plugin_guest_delegate.h"
+
+namespace atom {
+
+namespace api {
+class WebContents;
+}
+
+class WebViewGuestDelegate : public content::BrowserPluginGuestDelegate,
+                             public WebContentsZoomController::Observer {
+ public:
+  WebViewGuestDelegate(content::WebContents* embedder,
+                       api::WebContents* api_web_contents);
+  ~WebViewGuestDelegate() override;
+
+  // Attach to the iframe.
+  void AttachToIframe(content::WebContents* embedder_web_contents,
+                      int embedder_frame_id);
+
+ protected:
+  // content::BrowserPluginGuestDelegate:
+  void DidDetach() final;
+  content::WebContents* GetOwnerWebContents() const final;
+  content::RenderWidgetHost* GetOwnerRenderWidgetHost() final;
+  content::SiteInstance* GetOwnerSiteInstance() final;
+  content::WebContents* CreateNewGuestWindow(
+      const content::WebContents::CreateParams& create_params) final;
+
+  // WebContentsZoomController::Observer:
+  void OnZoomLevelChanged(content::WebContents* web_contents,
+                          double level,
+                          bool is_temporary) override;
+  void OnZoomControllerWebContentsDestroyed() override;
+
+ private:
+  void ResetZoomController();
+
+  // The WebContents that attaches this guest view.
+  content::WebContents* embedder_web_contents_ = nullptr;
+
+  // The zoom controller of the embedder that is used
+  // to subscribe for zoom changes.
+  WebContentsZoomController* embedder_zoom_controller_ = nullptr;
+
+  api::WebContents* api_web_contents_ = nullptr;
+
+  DISALLOW_COPY_AND_ASSIGN(WebViewGuestDelegate);
+};
+
+}  // namespace atom
+
+#endif  // ATOM_BROWSER_WEB_VIEW_GUEST_DELEGATE_H_