Remove LatencyInfo::sequence_number. (May break metrics).

content/browser/renderer_host/render_widget_host_view_aura.cc

 // 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.
 
 #include "content/browser/renderer_host/render_widget_host_view_aura.h"
 
 #include <set>
 #include <utility>
 
 #include "base/auto_reset.h"
@@ skipping 512 matching lines @@
 void RenderWidgetHostViewAura::Show() {
   window_->Show();
 
   if (!host_->is_hidden())
     return;
 
   bool has_saved_frame =
       delegated_frame_host_ ? delegated_frame_host_->HasSavedFrame() : false;
   ui::LatencyInfo renderer_latency_info, browser_latency_info;
   if (has_saved_frame) {
-    browser_latency_info.AddLatencyNumber(
-        ui::TAB_SHOW_COMPONENT, host_->GetLatencyComponentId(), 0);
+    browser_latency_info.AddLatencyNumber(ui::TAB_SHOW_COMPONENT,
+                                          host_->GetLatencyComponentId());
   } else {
-    renderer_latency_info.AddLatencyNumber(
-        ui::TAB_SHOW_COMPONENT, host_->GetLatencyComponentId(), 0);
+    renderer_latency_info.AddLatencyNumber(ui::TAB_SHOW_COMPONENT,
+                                           host_->GetLatencyComponentId());
   }
   host_->WasShown(renderer_latency_info);
 
   aura::Window* root = window_->GetRootWindow();
   if (root) {
     aura::client::CursorClient* cursor_client =
         aura::client::GetCursorClient(root);
     if (cursor_client)
       NotifyRendererOfCursorVisibilityState(cursor_client->IsCursorVisible());
   }
@@ skipping 1873 matching lines @@
       popup_child_host_view ? popup_child_host_view->event_handler() : nullptr);
 }
 
 void RenderWidgetHostViewAura::UpdateNeedsBeginFramesInternal() {
   if (!delegated_frame_host_)
     return;
   delegated_frame_host_->SetNeedsBeginFrames(needs_begin_frames_);
 }
 
 }  // namespace content