Reland of Add Resume logic of Purge+Suspend to TabManager.

chrome/browser/memory/tab_manager_web_contents_data_unittest.cc

Index: chrome/browser/memory/tab_manager_web_contents_data_unittest.cc
diff --git a/chrome/browser/memory/tab_manager_web_contents_data_unittest.cc b/chrome/browser/memory/tab_manager_web_contents_data_unittest.cc
index 9c1cd3dfcb8c6abb59275faefce4ba0be27c7286..d98afa8c040ba8f22578bfbdcfe61c7a0af2a4da 100644
--- a/chrome/browser/memory/tab_manager_web_contents_data_unittest.cc
+++ b/chrome/browser/memory/tab_manager_web_contents_data_unittest.cc
@@ -207,19 +207,22 @@
 TEST_F(TabManagerWebContentsDataTest, PurgeAndSuspendState) {
   EXPECT_EQ(TabManager::RUNNING, tab_data()->GetPurgeAndSuspendState());
   base::TimeTicks last_modified = tab_data()->LastPurgeAndSuspendModifiedTime();
+  test_clock().Advance(base::TimeDelta::FromSeconds(5));
   tab_data()->SetPurgeAndSuspendState(TabManager::SUSPENDED);
   EXPECT_EQ(TabManager::SUSPENDED, tab_data()->GetPurgeAndSuspendState());
   EXPECT_GT(tab_data()->LastPurgeAndSuspendModifiedTime(), last_modified);
 
   last_modified = tab_data()->LastPurgeAndSuspendModifiedTime();
+  test_clock().Advance(base::TimeDelta::FromSeconds(5));
   tab_data()->SetPurgeAndSuspendState(TabManager::RESUMED);
   EXPECT_EQ(TabManager::RESUMED, tab_data()->GetPurgeAndSuspendState());
-  EXPECT_GE(tab_data()->LastPurgeAndSuspendModifiedTime(), last_modified);
+  EXPECT_GT(tab_data()->LastPurgeAndSuspendModifiedTime(), last_modified);
 
   last_modified = tab_data()->LastPurgeAndSuspendModifiedTime();
+  test_clock().Advance(base::TimeDelta::FromSeconds(5));
   tab_data()->SetPurgeAndSuspendState(TabManager::RUNNING);
   EXPECT_EQ(TabManager::RUNNING, tab_data()->GetPurgeAndSuspendState());
-  EXPECT_GE(tab_data()->LastPurgeAndSuspendModifiedTime(), last_modified);
+  EXPECT_GT(tab_data()->LastPurgeAndSuspendModifiedTime(), last_modified);
 }
 
 }  // namespace memory