Cleanup of static lists of schemes & origins that are created at startup.

content/public/test/content_test_suite_base.h

Index: content/public/test/content_test_suite_base.h
diff --git a/content/public/test/content_test_suite_base.h b/content/public/test/content_test_suite_base.h
index 225e57a462ad81ab4025e36e249ac51214f8ad2b..59c1b7c1aa016726884b17f30b397a992d48b2b9 100644
--- a/content/public/test/content_test_suite_base.h
+++ b/content/public/test/content_test_suite_base.h
@@ -16,17 +16,16 @@ class ContentClient;
 // initializes bits and pieces of content; see the implementation of Initialize
 // for details.
 class ContentTestSuiteBase : public base::TestSuite {
+ public:
+  // Registers content's schemes. During this call, the given content_client is
+  // registered temporarily so that it can provide additional schemes.
+  static void RegisterContentSchemes(ContentClient* content_client);
+
  protected:
   ContentTestSuiteBase(int argc, char** argv);
 
   void Initialize() override;
 
-  // The methods below are for unit test setup.
-
-  // Registers content's schemes. During this call, the given content_client is
-  // registered temporarily so that it can provide additional schemes.
-  static void RegisterContentSchemes(ContentClient* content_client);
-
   // Registers renderer/utility/gpu processes to run in-thread.
   void RegisterInProcessThreads();