Add time from navigation_start to NTP LogEvent

chrome/common/render_messages.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.
 
 // Multiply-included file, no traditional include guard.
 #include <stdint.h>
 #include <map>
 #include <set>
 #include <string>
 #include <vector>
 
 #include "base/files/file_path.h"
 #include "base/memory/shared_memory.h"
 #include "base/process/process.h"
 #include "base/strings/string16.h"
 #include "base/strings/stringprintf.h"
+#include "base/time/time.h"
 #include "base/values.h"
 #include "build/build_config.h"
 #include "chrome/common/common_param_traits.h"
 #include "chrome/common/instant_types.h"
 #include "chrome/common/ntp_logging_events.h"
 #include "chrome/common/omnibox_focus_state.h"
 #include "chrome/common/search_provider.h"
 #include "chrome/common/web_application_info.h"
 #include "components/content_settings/core/common/content_settings.h"
 #include "components/content_settings/core/common/content_settings_pattern.h"
@@ skipping 557 matching lines @@
 
 #if defined(OS_ANDROID)
 IPC_MESSAGE_ROUTED4(ChromeViewHostMsg_DidRetrieveMetaTagContent,
                     bool /* success */,
                     std::string /* tag_name */,
                     std::string /* tag_content */,
                     GURL /* expected_url */)
 #endif  // defined(OS_ANDROID)
 
 // Logs events from InstantExtended New Tab Pages.
-IPC_MESSAGE_ROUTED2(ChromeViewHostMsg_LogEvent,
+IPC_MESSAGE_ROUTED3(ChromeViewHostMsg_LogEvent,
                     int /* page_seq_no */,
-                    NTPLoggingEventType /* event */)
+                    NTPLoggingEventType /* event */,
+                    base::TimeDelta /* time */)
 
 // Logs an impression on one of the Most Visited tile on the InstantExtended
 // New Tab Page.
 IPC_MESSAGE_ROUTED3(ChromeViewHostMsg_LogMostVisitedImpression,
                     int /* page_seq_no */,
                     int /* position */,
                     base::string16 /* provider */)
 
 // Logs a navigation on one of the Most Visited tile on the InstantExtended
 // New Tab Page.
@@ skipping 70 matching lines @@
 
 // Tells the browser process whether the web page wants the banner to be shown.
 // This is a reply from ChromeViewMsg_AppBannerPromptRequest.
 IPC_MESSAGE_ROUTED2(ChromeViewHostMsg_AppBannerPromptReply,
                     int /* request_id */,
                     blink::WebAppBannerPromptReply /* reply */)
 
 // Sent by the renderer to indicate that a fields trial has been activated.
 IPC_MESSAGE_CONTROL1(ChromeViewHostMsg_FieldTrialActivated,
                      std::string /* name */)