Reland: Fix WebViewPlugin::scheduleAnimation crash

content/renderer/pepper/plugin_power_saver_helper.h

Index: content/renderer/pepper/plugin_power_saver_helper.h
diff --git a/content/renderer/pepper/plugin_power_saver_helper.h b/content/renderer/pepper/plugin_power_saver_helper.h
index c9e7fba42994780b77eff9c5510e2436bfe1fd84..3e88b10ac056fad99e15cc42e9b63856ff10efb5 100644
--- a/content/renderer/pepper/plugin_power_saver_helper.h
+++ b/content/renderer/pepper/plugin_power_saver_helper.h
@@ -68,6 +68,13 @@ class CONTENT_EXPORT PluginPowerSaverHelper : public RenderFrameObserver {
     base::Closure unthrottle_callback;
   };
 
+  enum OverrideForTesting {
+    Normal,
+    Never,
+    IgnoreList,
+    Always
+  };
+
   // RenderFrameObserver implementation.
   void DidCommitProvisionalLoad(bool is_new_navigation,
                                 bool is_same_page_navigation) override;
@@ -76,6 +83,8 @@ class CONTENT_EXPORT PluginPowerSaverHelper : public RenderFrameObserver {
   void OnUpdatePluginContentOriginWhitelist(
       const std::set<GURL>& origin_whitelist);
 
+  OverrideForTesting override_for_testing_;
+
   // Local copy of the whitelist for the entire tab.
   std::set<GURL> origin_whitelist_;