AutoDiscardable property support on Chrome Extensions Tabs API.

chrome/browser/extensions/api/tabs/tabs_api.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 "chrome/browser/extensions/api/tabs/tabs_api.h"
 
 #include <stddef.h>
 #include <algorithm>
 #include <limits>
 #include <memory>
@@ skipping 975 matching lines @@
       if (!MatchesBool(params->query_info.pinned.get(),
                        tab_strip->IsTabPinned(i))) {
         continue;
       }
 
       if (!MatchesBool(params->query_info.audible.get(),
                        web_contents->WasRecentlyAudible())) {
         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())) {
         continue;
       }
 
       if (!title.empty() || !url_patterns.is_empty()) {
         // "title" and "url" properties are considered privileged data and can
         // only be checked if the extension has the "tabs" permission or it has
         // access to the WebContents's origin. Otherwise, this tab is considered
@@ skipping 319 matching lines @@
                                       include_incognito(),
                                       NULL,
                                       NULL,
                                       &opener_contents,
                                       NULL))
       return false;
 
     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);
   }
   return true;
 }
 
 bool TabsUpdateFunction::UpdateURL(const std::string &url_string,
                                    int tab_id,
                                    bool* is_async) {
@@ skipping 851 matching lines @@
       params->tab_id
           ? ErrorUtils::FormatErrorMessage(keys::kCannotDiscardTab,
                                            base::IntToString(*params->tab_id))
           : keys::kCannotFindTabToDiscard));
 }
 
 TabsDiscardFunction::TabsDiscardFunction() {}
 TabsDiscardFunction::~TabsDiscardFunction() {}
 
 }  // namespace extensions