GuestViews should be able to specify task manager entries

chrome/browser/guest_view/web_view/chrome_web_view_guest_delegate.cc

 // Copyright 2014 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.
 
 
 #include "chrome/browser/guest_view/web_view/chrome_web_view_guest_delegate.h"
 
 #include "chrome/browser/extensions/chrome_extension_web_contents_observer.h"
 #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/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"
 
 #if defined(ENABLE_PRINTING)
 #if defined(ENABLE_FULL_PRINTING)
 #include "chrome/browser/printing/print_preview_message_handler.h"
 #include "chrome/browser/printing/print_view_manager.h"
 #else
 #include "chrome/browser/printing/print_view_manager_basic.h"
 #endif  // defined(ENABLE_FULL_PRINTING)
 #endif  // defined(ENABLE_PRINTING)
 
 ChromeWebViewGuestDelegate::ChromeWebViewGuestDelegate(
     extensions::WebViewGuest* web_view_guest)
   : WebViewGuestDelegate(),
     pending_context_menu_request_id_(0),
     chromevox_injected_(false),
     current_zoom_factor_(1.0),
     web_view_guest_(web_view_guest) {
 }
 
 ChromeWebViewGuestDelegate::~ChromeWebViewGuestDelegate() {
 }
 
+int ChromeWebViewGuestDelegate::GetTaskPrefix() const {
+  return IDS_TASK_MANAGER_WEBVIEW_TAG_PREFIX;
+}
+
 double ChromeWebViewGuestDelegate::GetZoom() {
   return current_zoom_factor_;
 }
 
 bool ChromeWebViewGuestDelegate::HandleContextMenu(
     const content::ContextMenuParams& params) {
   ContextMenuDelegate* menu_delegate =
       ContextMenuDelegate::FromWebContents(guest_web_contents());
   DCHECK(menu_delegate);
 
@@ skipping 146 matching lines @@
     accessibility_subscription_.reset();
   } else if (details.notification_type ==
       chromeos::ACCESSIBILITY_TOGGLE_SPOKEN_FEEDBACK) {
     if (details.enabled)
       InjectChromeVoxIfNeeded(guest_web_contents()->GetRenderViewHost());
     else
       chromevox_injected_ = false;
   }
 }
 #endif