AutoDiscardable property support on Chrome Extensions Tabs API.

chrome/browser/extensions/api/tabs/tabs_api.cc

Index: chrome/browser/extensions/api/tabs/tabs_api.cc
diff --git a/chrome/browser/extensions/api/tabs/tabs_api.cc b/chrome/browser/extensions/api/tabs/tabs_api.cc
index c43670ac9311cae7af1a10fa403731139a561a98..cbced11e5836c0bdddf8486a2ddc677eaf9f2c19 100644
--- a/chrome/browser/extensions/api/tabs/tabs_api.cc
+++ b/chrome/browser/extensions/api/tabs/tabs_api.cc
@@ -993,10 +993,15 @@ bool TabsQueryFunction::RunSync() {
         continue;
       }
 
-      // If tab_manager isn't present, then no tabs are discarded.
-      bool discarded = tab_manager && tab_manager->IsTabDiscarded(web_contents);
-      if (!MatchesBool(params->query_info.discarded.get(), discarded))
+      if (!MatchesBool(params->query_info.discarded.get(),
+                       tab_manager->IsTabDiscarded(web_contents))) {
         continue;
+      }
+
+      if (!MatchesBool(params->query_info.auto_discardable.get(),
+                       tab_manager->IsTabAutoDiscardable(web_contents))) {
+        continue;
+      }
 
       if (!MatchesBool(params->query_info.muted.get(),
                        web_contents->IsAudioMuted())) {
@@ -1336,6 +1341,12 @@ bool TabsUpdateFunction::RunAsync() {
     tab_strip->SetOpenerOfWebContentsAt(tab_index, opener_contents);
   }
 
+  if (params->update_properties.auto_discardable.get()) {
+    bool state = *params->update_properties.auto_discardable;
+    g_browser_process->GetTabManager()->SetTabAutoDiscardableState(contents,
+                                                                   state);
+  }
+
   if (!is_async) {
     PopulateResult();
     SendResponse(true);