Use ContainsValue() instead of std::find() in extensions/

extensions/browser/app_window/app_window_registry.cc

Index: extensions/browser/app_window/app_window_registry.cc
diff --git a/extensions/browser/app_window/app_window_registry.cc b/extensions/browser/app_window/app_window_registry.cc
index bd259b0ba1e150c6e31efebe26762f7bd88747a7..1eb972f5da8a08be432cfee67278b8e2261c2085 100644
--- a/extensions/browser/app_window/app_window_registry.cc
+++ b/extensions/browser/app_window/app_window_registry.cc
@@ -7,6 +7,7 @@
 #include <string>
 #include <vector>
 
+#include "base/stl_util.h"
 #include "base/strings/stringprintf.h"
 #include "components/keyed_service/content/browser_context_dependency_manager.h"
 #include "content/public/browser/browser_context.h"
@@ -188,9 +189,7 @@ void AppWindowRegistry::DevToolsAgentHostDetached(
 }
 
 void AppWindowRegistry::AddAppWindowToList(AppWindow* app_window) {
-  const AppWindowList::iterator it =
-      std::find(app_windows_.begin(), app_windows_.end(), app_window);
-  if (it != app_windows_.end())
+  if (base::ContainsValue(app_windows_, app_window))
     return;
   app_windows_.push_back(app_window);
 }