GuestViews should be able to specify task manager entries

chrome/browser/guest_view/web_view/chrome_web_view_guest_delegate.cc

Index: chrome/browser/guest_view/web_view/chrome_web_view_guest_delegate.cc
diff --git a/chrome/browser/guest_view/web_view/chrome_web_view_guest_delegate.cc b/chrome/browser/guest_view/web_view/chrome_web_view_guest_delegate.cc
index 8175022edca475e6ede42075a725f5070540ffb0..cd737101646c5687d339c0122a503e61133a398a 100644
--- a/chrome/browser/guest_view/web_view/chrome_web_view_guest_delegate.cc
+++ b/chrome/browser/guest_view/web_view/chrome_web_view_guest_delegate.cc
@@ -9,11 +9,14 @@
 #include "chrome/browser/favicon/favicon_tab_helper.h"
 #include "chrome/browser/guest_view/web_view/web_view_constants.h"
 #include "chrome/browser/renderer_context_menu/render_view_context_menu.h"
+#include "chrome/browser/task_manager/task_manager_util.h"
 #include "chrome/browser/ui/pdf/pdf_tab_helper.h"
 #include "chrome/browser/ui/zoom/zoom_controller.h"
 #include "chrome/common/chrome_version_info.h"
+#include "chrome/grit/generated_resources.h"
 #include "components/renderer_context_menu/context_menu_delegate.h"
 #include "content/public/common/page_zoom.h"
+#include "ui/base/l10n/l10n_util.h"
 
 #if defined(ENABLE_PRINTING)
 #if defined(ENABLE_FULL_PRINTING)
@@ -36,6 +39,13 @@ ChromeWebViewGuestDelegate::ChromeWebViewGuestDelegate(
 ChromeWebViewGuestDelegate::~ChromeWebViewGuestDelegate() {
 }
 
+base::string16 ChromeWebViewGuestDelegate::GetTaskName() const {
+  const int message_id = IDS_TASK_MANAGER_WEBVIEW_TAG_PREFIX;
+  base::string16 title =
+      task_manager::util::GetTitleFromWebContents(guest_web_contents());
+  return l10n_util::GetStringFUTF16(message_id, title);
+}
+
 double ChromeWebViewGuestDelegate::GetZoom() {
   return current_zoom_factor_;
 }