Plugin Power Saver: Implement option in Settings.

chrome/browser/prerender/prerender_browsertest.cc

Index: chrome/browser/prerender/prerender_browsertest.cc
diff --git a/chrome/browser/prerender/prerender_browsertest.cc b/chrome/browser/prerender/prerender_browsertest.cc
index b01676aa0cae5b22a12af93a9af67b7d71d52c86..7200a5359e2dde77b9c3580af584bd6f02fd3c4a 100644
--- a/chrome/browser/prerender/prerender_browsertest.cc
+++ b/chrome/browser/prerender/prerender_browsertest.cc
@@ -2060,14 +2060,14 @@ IN_PROC_BROWSER_TEST_F(PrerenderBrowserTest, MAYBE_PrerenderDelayLoadPlugin) {
   NavigateToDestURL();
 }
 
-// Checks that plugins are not loaded on prerendering pages when click-to-play
-// is enabled.
+// Checks that plugins are not loaded on prerendering pages when Plugin Power
+// Saver is enabled.
 IN_PROC_BROWSER_TEST_F(PrerenderBrowserTest, PrerenderClickToPlay) {
   // Enable click-to-play.
   HostContentSettingsMap* content_settings_map =
       current_browser()->profile()->GetHostContentSettingsMap();
   content_settings_map->SetDefaultContentSetting(
-      CONTENT_SETTINGS_TYPE_PLUGINS, CONTENT_SETTING_ASK);
+      CONTENT_SETTINGS_TYPE_PLUGINS, CONTENT_SETTING_DETECT_IMPORTANT_CONTENT);
 
   PrerenderTestURL("files/prerender/prerender_plugin_click_to_play.html",
                    FINAL_STATUS_USED,