WebView context menu cleanup.

chrome/browser/extensions/chrome_extensions_browser_client.cc

Index: chrome/browser/extensions/chrome_extensions_browser_client.cc
diff --git a/chrome/browser/extensions/chrome_extensions_browser_client.cc b/chrome/browser/extensions/chrome_extensions_browser_client.cc
index 88593643723596259030352aa4110ea27e4ceb9d..02940338b9b02ee2c48ed8ffc341c5add30146d5 100644
--- a/chrome/browser/extensions/chrome_extensions_browser_client.cc
+++ b/chrome/browser/extensions/chrome_extensions_browser_client.cc
@@ -26,6 +26,7 @@
 #include "chrome/browser/extensions/event_router_forwarder.h"
 #include "chrome/browser/extensions/extension_system_factory.h"
 #include "chrome/browser/extensions/extension_util.h"
+#include "chrome/browser/extensions/menu_manager.h"
 #include "chrome/browser/external_protocol/external_protocol_handler.h"
 #include "chrome/browser/net/chrome_net_log.h"
 #include "chrome/browser/profiles/profile.h"
@@ -35,9 +36,11 @@
 #include "chrome/common/chrome_version_info.h"
 #include "chrome/common/extensions/features/feature_channel.h"
 #include "chrome/common/pref_names.h"
+#include "content/public/browser/render_process_host.h"
 #include "extensions/browser/api/generated_api_registration.h"
 #include "extensions/browser/extension_function_registry.h"
 #include "extensions/browser/extension_prefs.h"
+#include "extensions/browser/guest_view/web_view/web_view_guest.h"
 #include "extensions/browser/mojo/service_registration.h"
 #include "extensions/browser/pref_names.h"
 #include "extensions/browser/url_request_util.h"
@@ -331,4 +334,23 @@ void ChromeExtensionsBrowserClient::ReportError(
   extensions::ErrorConsole::Get(context)->ReportError(error.Pass());
 }
 
+void ChromeExtensionsBrowserClient::CleanUpWebView(int embedder_process_id,
+                                                   int view_instance_id) {
+  content::BrowserContext* browser_context =
+      content::RenderProcessHost::FromID(embedder_process_id)
+          ->GetBrowserContext();
+  std::string extension_id =
+      WebViewGuest::GetExtensionID(embedder_process_id, view_instance_id);
+
+  // Not all WebViews are in extensions.
+  if (extension_id.empty())
+    return;
+
+  // Clean up context menus for the WebView.
+  auto menu_manager =
+      MenuManager::Get(Profile::FromBrowserContext(browser_context));
+  menu_manager->RemoveAllContextItems(
+      MenuItem::ExtensionKey(extension_id, view_instance_id));
+}
+
 }  // namespace extensions