WebView context menu cleanup.

extensions/browser/extensions_browser_client.h

 // Copyright 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 EXTENSIONS_BROWSER_EXTENSIONS_BROWSER_CLIENT_H_
 #define EXTENSIONS_BROWSER_EXTENSIONS_BROWSER_CLIENT_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 199 matching lines @@
   // Indicates whether an extension update which specifies its minimum browser
   // version as |min_version| can be installed by the client. Not all extensions
   // embedders share the same versioning model, so interpretation of the string
   // is left up to the embedder.
   virtual bool IsMinBrowserVersionSupported(const std::string& min_version) = 0;
 
   // Returns the ExtensionWebContentsObserver for the given |web_contents|.
   virtual ExtensionWebContentsObserver* GetExtensionWebContentsObserver(
       content::WebContents* web_contents) = 0;
 
+  // Cleans up browser-side state associated with a WebView that is being
+  // destroyed.
+  virtual void CleanUpWebView(int embedder_process_id, int view_instance_id) {}
+
   // Returns the single instance of |this|.
   static ExtensionsBrowserClient* Get();
 
   // Initialize the single instance.
   static void Set(ExtensionsBrowserClient* client);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_EXTENSIONS_BROWSER_CLIENT_H_