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

chrome/browser/chromeos/memory/oom_priority_manager_unittest.cc

Index: chrome/browser/chromeos/memory/oom_priority_manager_unittest.cc
diff --git a/chrome/browser/chromeos/memory/oom_priority_manager_unittest.cc b/chrome/browser/chromeos/memory/oom_priority_manager_unittest.cc
index 6c2e6721d1a5d5e7f50577fa52cf8e91a95ab14d..9280b9f7bbee5438a1b054ad5d874d19d2fb08c8 100644
--- a/chrome/browser/chromeos/memory/oom_priority_manager_unittest.cc
+++ b/chrome/browser/chromeos/memory/oom_priority_manager_unittest.cc
@@ -35,13 +35,12 @@
 // desired order.
 TEST_F(OomPriorityManagerTest, Comparator) {
   chromeos::OomPriorityManager::TabStatsList test_list;
-  const base::Time now = base::Time::Now();
+  const base::TimeTicks now = base::TimeTicks::Now();
 
   // Add kSelected last to verify we are sorting the array.
 
   {
     OomPriorityManager::TabStats stats;
-    stats.last_active = now;
     stats.is_pinned = true;
     stats.renderer_handle = kPinned;
     stats.child_process_host_id = kPinned;
@@ -50,7 +49,6 @@
 
   {
     OomPriorityManager::TabStats stats;
-    stats.last_active = now;
     stats.is_app = true;
     stats.renderer_handle = kApp;
     stats.child_process_host_id = kApp;
@@ -59,7 +57,6 @@
 
   {
     OomPriorityManager::TabStats stats;
-    stats.last_active = now;
     stats.is_playing_audio = true;
     stats.renderer_handle = kPlayingAudio;
     stats.child_process_host_id = kPlayingAudio;
@@ -101,7 +98,6 @@
 
   {
     OomPriorityManager::TabStats stats;
-    stats.last_active = now;
     stats.is_reloadable_ui = true;
     stats.renderer_handle = kReloadableUI;
     stats.child_process_host_id = kReloadableUI;
@@ -112,7 +108,6 @@
   // we are actually sorting the array.
   {
     OomPriorityManager::TabStats stats;
-    stats.last_active = now;
     stats.is_selected = true;
     stats.renderer_handle = kSelected;
     stats.child_process_host_id = kSelected;