Revert of Change WebContents::last_active_time_ to Time instead of Timeticks.

content/browser/web_contents/web_contents_impl.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/web_contents/web_contents_impl.h"
 
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/lazy_instance.h"
@@ skipping 303 matching lines @@
       displayed_insecure_content_(false),
       has_accessed_initial_document_(false),
       theme_color_(SK_ColorTRANSPARENT),
       last_sent_theme_color_(SK_ColorTRANSPARENT),
       capturer_count_(0),
       should_normally_be_visible_(true),
       is_being_destroyed_(false),
       notify_disconnection_(false),
       dialog_manager_(NULL),
       is_showing_before_unload_dialog_(false),
-      last_active_time_(base::Time::Now()),
+      last_active_time_(base::TimeTicks::Now()),
       closed_by_user_gesture_(false),
       minimum_zoom_percent_(static_cast<int>(kMinimumZoomFactor * 100)),
       maximum_zoom_percent_(static_cast<int>(kMaximumZoomFactor * 100)),
       render_view_message_source_(NULL),
       render_frame_message_source_(NULL),
       fullscreen_widget_routing_id_(MSG_ROUTING_NONE),
       fullscreen_widget_had_focus_at_shutdown_(false),
       is_subframe_(false),
       force_disable_overscroll_content_(false),
       last_dialog_suppressed_(false),
@@ skipping 711 matching lines @@
         CreateAudioPowerSaveBlocker();
     } else {
       audio_power_save_blocker_.reset();
     }
   }
 
   if (delegate_)
     delegate_->NavigationStateChanged(this, changed_flags);
 }
 
-base::Time WebContentsImpl::GetLastActiveTime() const {
+base::TimeTicks WebContentsImpl::GetLastActiveTime() const {
   return last_active_time_;
 }
 
 void WebContentsImpl::WasShown() {
   controller_.SetActive(true);
 
   for (RenderWidgetHostView* view : GetRenderWidgetHostViewsInTree()) {
     if (view) {
       view->Show();
 #if defined(OS_MACOSX)
       view->SetActive(true);
 #endif
     }
   }
 
-  last_active_time_ = base::Time::Now();
+  last_active_time_ = base::TimeTicks::Now();
 
   // The resize rect might have changed while this was inactive -- send the new
   // one to make sure it's up to date.
   RenderViewHostImpl* rvh = GetRenderViewHost();
   if (rvh)
     rvh->ResizeRectChanged(GetRootWindowResizerRect());
 
   // Restore power save blocker if there are active video players running.
   if (!active_video_players_.empty() && !video_power_save_blocker_)
     CreateVideoPowerSaveBlocker();
@@ skipping 3348 matching lines @@
   node->render_manager()->ResumeResponseDeferredAtStart();
 }
 
 void WebContentsImpl::SetForceDisableOverscrollContent(bool force_disable) {
   force_disable_overscroll_content_ = force_disable;
   if (view_)
     view_->SetOverscrollControllerEnabled(CanOverscrollContent());
 }
 
 }  // namespace content