Convert most of the rest of instrumentation tests in content

base/test/android/javatests/src/org/chromium/base/test/BaseJUnit4ClassRunner.java

Index: base/test/android/javatests/src/org/chromium/base/test/BaseJUnit4ClassRunner.java
diff --git a/base/test/android/javatests/src/org/chromium/base/test/BaseJUnit4ClassRunner.java b/base/test/android/javatests/src/org/chromium/base/test/BaseJUnit4ClassRunner.java
index 922536b89b881a08d6603ddf38ac4b47fb3c4b0d..2916d981f805051d79a0b93b497e519c4581e867 100644
--- a/base/test/android/javatests/src/org/chromium/base/test/BaseJUnit4ClassRunner.java
+++ b/base/test/android/javatests/src/org/chromium/base/test/BaseJUnit4ClassRunner.java
@@ -14,6 +14,7 @@ import org.junit.runners.model.FrameworkMethod;
 import org.junit.runners.model.InitializationError;
 
 import org.chromium.base.test.BaseTestResult.PreTestHook;
+import org.chromium.base.test.util.CommandLineFlags;
 import org.chromium.base.test.util.DisableIfSkipCheck;
 import org.chromium.base.test.util.MinAndroidSdkLevelSkipCheck;
 import org.chromium.base.test.util.RestrictionSkipCheck;
@@ -119,7 +120,7 @@ public class BaseJUnit4ClassRunner extends AndroidJUnit4ClassRunner {
      * Change this static function to add or take out default {@code PreTestHook}s.
      */
     private static List<PreTestHook> defaultPreTestHooks() {
-        return new ArrayList<PreTestHook>();
+        return Arrays.asList(new PreTestHook[] {CommandLineFlags.getRegistrationHook()});
     }
 
     /**