Plugin Power Saver: Implement size-based heuristic for peripheral content.

content/browser/web_contents/web_contents_impl.cc

Index: content/browser/web_contents/web_contents_impl.cc
diff --git a/content/browser/web_contents/web_contents_impl.cc b/content/browser/web_contents/web_contents_impl.cc
index b5573981aac27e42f38d7ad08a3266e527256260..ccee4c1ea000e94d646258ad4e175ec8a35936fd 100644
--- a/content/browser/web_contents/web_contents_impl.cc
+++ b/content/browser/web_contents/web_contents_impl.cc
@@ -20,6 +20,7 @@
 #include "base/time/time.h"
 #include "content/browser/accessibility/accessibility_mode_helper.h"
 #include "content/browser/accessibility/browser_accessibility_state_impl.h"
+#include "content/browser/browser_plugin/browser_plugin_content_origin_whitelist.h"
 #include "content/browser/browser_plugin/browser_plugin_embedder.h"
 #include "content/browser/browser_plugin/browser_plugin_guest.h"
 #include "content/browser/child_process_security_policy_impl.h"
@@ -1181,6 +1182,11 @@ void WebContentsImpl::Init(const WebContents::CreateParams& params) {
   if (opener_)
     AddDestructionObserver(opener_);
 
+#if defined(ENABLE_PLUGINS)
+  browser_plugin_content_origin_whitelist_.reset(
+      new BrowserPluginContentOriginWhitelist(this));
+#endif
+
   registrar_.Add(this,
                  NOTIFICATION_RENDER_WIDGET_HOST_DESTROYED,
                  NotificationService::AllBrowserContextsAndSources());