Fix the bug that webview guest cannot load script of a SharedWorker.

chrome/browser/extensions/extension_renderer_state.h

 // Copyright (c) 2013 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 CHROME_BROWSER_EXTENSIONS_EXTENSION_RENDERER_STATE_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_RENDERER_STATE_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 24 matching lines @@
   // These are called on the UI thread to start and stop listening to tab
   // notifications.
   void Init();
   void Shutdown();
 
   // Looks up the information for the embedder <webview> for a given render
   // view, if one exists. Called on the IO thread.
   bool GetWebViewInfo(int guest_process_id, int guest_routing_id,
                       WebViewInfo* webview_info);
 
+  // Looks up the partition info for the embedder <webview> for a given guest
+  // process. Called on the IO thread.
+  bool GetWebViewPartitionID(int guest_process_id, std::string* partition_id);
+
   // Looks up the tab and window ID for a given request. Returns true if we have
   // the IDs in our map. Called on the IO thread.
   bool GetTabAndWindowId(
       const content::ResourceRequestInfo* info, int* tab_id, int* window_id);
 
   // Returns true if the given renderer is used by webviews.
   bool IsWebViewRenderer(int render_process_id);
 
  private:
   class RenderViewHostObserver;
   class TabObserver;
   friend class TabObserver;
   friend class WebViewGuest;
   friend struct DefaultSingletonTraits<ExtensionRendererState>;
 
   typedef std::pair<int, int> RenderId;
   typedef std::pair<int, int> TabAndWindowId;
   typedef std::map<RenderId, TabAndWindowId> TabAndWindowIdMap;
   typedef std::map<RenderId, WebViewInfo> WebViewInfoMap;
+  struct WebViewPartitionInfo {
+    int web_view_count;
+    std::string partition_id;
+  };
+  typedef std::map<int, WebViewPartitionInfo> WebViewPartitionIDMap;
 
   ExtensionRendererState();
   ~ExtensionRendererState();
 
   // Adds or removes a render view from our map.
   void SetTabAndWindowId(
       int render_process_host_id, int routing_id, int tab_id, int window_id);
   void ClearTabAndWindowId(
       int render_process_host_id, int routing_id);
 
   // Adds or removes a <webview> guest render process from the set.
   void AddWebView(int render_process_host_id, int routing_id,
                   const WebViewInfo& webview_info);
   void RemoveWebView(int render_process_host_id, int routing_id);
 
   TabObserver* observer_;
   TabAndWindowIdMap map_;
   WebViewInfoMap webview_info_map_;
+  WebViewPartitionIDMap webview_partition_id_map_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionRendererState);
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_RENDERER_STATE_H_