WebView context menu cleanup.

chrome/browser/extensions/chrome_extensions_browser_client.h

Index: chrome/browser/extensions/chrome_extensions_browser_client.h
diff --git a/chrome/browser/extensions/chrome_extensions_browser_client.h b/chrome/browser/extensions/chrome_extensions_browser_client.h
index 10e0d714ea1f84f68c7141d50d0b5e069b666fef..ea9e9b34d448dcf90e093baa1240c25f8e611770 100644
--- a/chrome/browser/extensions/chrome_extensions_browser_client.h
+++ b/chrome/browser/extensions/chrome_extensions_browser_client.h
@@ -40,7 +40,7 @@ class ChromeExtensionsBrowserClient : public ExtensionsBrowserClient {
   ChromeExtensionsBrowserClient();
   ~ChromeExtensionsBrowserClient() override;
 
-  // BrowserClient overrides:
+  // ExtensionsBrowserClient overrides:
   bool IsShuttingDown() override;
   bool AreExtensionsDisabled(const base::CommandLine& command_line,
                              content::BrowserContext* context) override;
@@ -103,6 +103,7 @@ class ChromeExtensionsBrowserClient : public ExtensionsBrowserClient {
   bool IsMinBrowserVersionSupported(const std::string& min_version) override;
   ExtensionWebContentsObserver* GetExtensionWebContentsObserver(
       content::WebContents* web_contents) override;
+  void CleanUpWebView(int embedder_process_id, int view_instance_id) override;
 
  private:
   friend struct base::DefaultLazyInstanceTraits<ChromeExtensionsBrowserClient>;