GuestViews should be able to specify task manager entries

chrome/browser/guest_view/app_view/chrome_app_view_guest_delegate.cc

Index: chrome/browser/guest_view/app_view/chrome_app_view_guest_delegate.cc
diff --git a/chrome/browser/guest_view/app_view/chrome_app_view_guest_delegate.cc b/chrome/browser/guest_view/app_view/chrome_app_view_guest_delegate.cc
index c93001331dbc58c06b419d10e94d2c75dca533c6..fb6d03d017f016be1d6dadb7ef5fb64355a6ed5b 100644
--- a/chrome/browser/guest_view/app_view/chrome_app_view_guest_delegate.cc
+++ b/chrome/browser/guest_view/app_view/chrome_app_view_guest_delegate.cc
@@ -4,16 +4,24 @@
 
 #include "chrome/browser/guest_view/app_view/chrome_app_view_guest_delegate.h"
 #include "chrome/browser/renderer_context_menu/render_view_context_menu.h"
+#include "chrome/browser/task_manager/task_manager_util.h"
+#include "chrome/grit/generated_resources.h"
 #include "components/renderer_context_menu/context_menu_delegate.h"
 
 namespace extensions {
 
-ChromeAppViewGuestDelegate::ChromeAppViewGuestDelegate() {
+ChromeAppViewGuestDelegate::ChromeAppViewGuestDelegate(
+  extensions::AppViewGuest* app_view_guest)
+    : AppViewGuestDelegate(app_view_guest) {
 }
 
 ChromeAppViewGuestDelegate::~ChromeAppViewGuestDelegate() {
 }
 
+int ChromeAppViewGuestDelegate::GetTaskPrefix() const {
+  return IDS_TASK_MANAGER_APPVIEW_TAG_PREFIX;
+}
+
 bool ChromeAppViewGuestDelegate::HandleContextMenu(
     content::WebContents* web_contents,
     const content::ContextMenuParams& params) {