refactor: rename the atom directory to shell

shell/browser/web_view_manager.h

@@ -0,0 +1,70 @@
+// Copyright (c) 2014 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_MANAGER_H_
+#define ATOM_BROWSER_WEB_VIEW_MANAGER_H_
+
+#include <map>
+
+#include "content/public/browser/browser_plugin_guest_manager.h"
+
+namespace atom {
+
+class WebViewManager : public content::BrowserPluginGuestManager {
+ public:
+  WebViewManager();
+  ~WebViewManager() override;
+
+  void AddGuest(int guest_instance_id,
+                int element_instance_id,
+                content::WebContents* embedder,
+                content::WebContents* web_contents);
+  void RemoveGuest(int guest_instance_id);
+  content::WebContents* GetEmbedder(int guest_instance_id);
+
+  static WebViewManager* GetWebViewManager(content::WebContents* web_contents);
+
+ protected:
+  // content::BrowserPluginGuestManager:
+  content::WebContents* GetGuestByInstanceID(int owner_process_id,
+                                             int element_instance_id) override;
+  bool ForEachGuest(content::WebContents* embedder,
+                    const GuestCallback& callback) override;
+
+ private:
+  struct WebContentsWithEmbedder {
+    content::WebContents* web_contents;
+    content::WebContents* embedder;
+  };
+  // guest_instance_id => (web_contents, embedder)
+  std::map<int, WebContentsWithEmbedder> web_contents_embedder_map_;
+
+  struct ElementInstanceKey {
+    int embedder_process_id;
+    int element_instance_id;
+
+    ElementInstanceKey(int embedder_process_id, int element_instance_id)
+        : embedder_process_id(embedder_process_id),
+          element_instance_id(element_instance_id) {}
+
+    bool operator<(const ElementInstanceKey& other) const {
+      if (embedder_process_id != other.embedder_process_id)
+        return embedder_process_id < other.embedder_process_id;
+      return element_instance_id < other.element_instance_id;
+    }
+
+    bool operator==(const ElementInstanceKey& other) const {
+      return (embedder_process_id == other.embedder_process_id) &&
+             (element_instance_id == other.element_instance_id);
+    }
+  };
+  // (embedder_process_id, element_instance_id) => guest_instance_id
+  std::map<ElementInstanceKey, int> element_instance_id_to_guest_map_;
+
+  DISALLOW_COPY_AND_ASSIGN(WebViewManager);
+};
+
+}  // namespace atom
+
+#endif  // ATOM_BROWSER_WEB_VIEW_MANAGER_H_