Add histograms for network activity, and total/cumulative

chrome/browser/ui/tab_contents/tab_contents.h

 // Copyright (c) 2012 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.
 
 #ifndef CHROME_BROWSER_UI_TAB_CONTENTS_TAB_CONTENTS_H_
 #define CHROME_BROWSER_UI_TAB_CONTENTS_TAB_CONTENTS_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/ref_counted.h"
@@ skipping 48 matching lines @@
 class CaptivePortalTabHelper;
 }
 
 namespace chrome {
 namespace search {
 class SearchTabHelper;
 }
 }
 
 namespace chrome_browser_net {
-class CacheStatsTabHelper;
+class LoadTimeStatsTabHelper;
 }
 
 namespace extensions {
 class TabHelper;
 class WebNavigationTabObserver;
 }
 
 namespace prerender {
 class PrerenderTabHelper;
 }
@@ skipping 185 matching lines @@
   // Tab Helpers ---------------------------------------------------------------
   // (These provide API for callers and have a getter function listed in the
   // "Tab Helpers" section in the member functions area, above.)
 
   scoped_ptr<AutocompleteHistoryManager> autocomplete_history_manager_;
   scoped_refptr<AutofillManager> autofill_manager_;
   scoped_ptr<AutofillExternalDelegate> autofill_external_delegate_;
   scoped_ptr<AutomationTabHelper> automation_tab_helper_;
   scoped_ptr<BlockedContentTabHelper> blocked_content_tab_helper_;
   scoped_ptr<BookmarkTabHelper> bookmark_tab_helper_;
-  scoped_ptr<chrome_browser_net::CacheStatsTabHelper> cache_stats_tab_helper_;
+  scoped_ptr<chrome_browser_net::LoadTimeStatsTabHelper>
+  load_time_stats_tab_helper_;
 #if defined(ENABLE_CAPTIVE_PORTAL_DETECTION)
   scoped_ptr<captive_portal::CaptivePortalTabHelper> captive_portal_tab_helper_;
 #endif
   scoped_ptr<ConstrainedWindowTabHelper> constrained_window_tab_helper_;
   scoped_ptr<CoreTabHelper> core_tab_helper_;
   scoped_ptr<extensions::TabHelper> extension_tab_helper_;
   scoped_ptr<FaviconTabHelper> favicon_tab_helper_;
   scoped_ptr<FindTabHelper> find_tab_helper_;
   scoped_ptr<HistoryTabHelper> history_tab_helper_;
   scoped_ptr<HungPluginTabHelper> hung_plugin_tab_helper_;
@@ skipping 56 matching lines @@
 
   // The supporting objects need to outlive the WebContents dtor (as they may
   // be called upon during its execution). As a result, this must come last
   // in the list.
   scoped_ptr<content::WebContents> web_contents_;
 
   DISALLOW_COPY_AND_ASSIGN(TabContents);
 };
 
 #endif  // CHROME_BROWSER_UI_TAB_CONTENTS_TAB_CONTENTS_H_