[Android] Refactor the native test wrappers.

content/shell/android/browsertests_apk/src/org/chromium/content_browsertests_apk/ContentBrowserTestsActivity.java

Index: content/shell/android/browsertests_apk/src/org/chromium/content_browsertests_apk/ContentBrowserTestsActivity.java
diff --git a/content/shell/android/browsertests_apk/src/org/chromium/content_browsertests_apk/ContentBrowserTestsActivity.java b/content/shell/android/browsertests_apk/src/org/chromium/content_browsertests_apk/ContentBrowserTestsActivity.java
index bc95f1cbe83fe9223dfe025aee6b8e8747b7d581..a1dbde4adfd7bc834a1446e0f63e3685f946779a 100644
--- a/content/shell/android/browsertests_apk/src/org/chromium/content_browsertests_apk/ContentBrowserTestsActivity.java
+++ b/content/shell/android/browsertests_apk/src/org/chromium/content_browsertests_apk/ContentBrowserTestsActivity.java
@@ -4,43 +4,36 @@
 
 package org.chromium.content_browsertests_apk;
 
-import android.app.Activity;
-import android.content.Context;
-import android.os.Bundle;
-import android.os.Handler;
-import android.util.Log;
 import android.view.Window;
 import android.view.WindowManager;
 
-import org.chromium.base.JNINamespace;
+import org.chromium.base.Log;
 import org.chromium.base.annotations.SuppressFBWarnings;
 import org.chromium.base.library_loader.LibraryLoader;
 import org.chromium.base.library_loader.LibraryProcessType;
 import org.chromium.base.library_loader.ProcessInitException;
 import org.chromium.content.browser.BrowserStartupController;
 import org.chromium.content_shell.ShellManager;
+import org.chromium.native_test.NativeBrowserTestActivity;
 import org.chromium.ui.base.ActivityWindowAndroid;
 import org.chromium.ui.base.WindowAndroid;
 
 /**
  * Android activity for running content browser tests
  */
-@JNINamespace("content")
-public class ContentBrowserTestsActivity extends Activity {
-    private static final String TAG = "ChromeBrowserTestsActivity";
+public class ContentBrowserTestsActivity extends NativeBrowserTestActivity {
+    private static final String TAG = Log.makeTag("native_test");
 
     private ShellManager mShellManager;
     private WindowAndroid mWindowAndroid;
 
     @Override
     @SuppressFBWarnings("DM_EXIT")
-    public void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-
+    protected void startBrowser() {
         try {
             LibraryLoader.get(LibraryProcessType.PROCESS_BROWSER).ensureInitialized();
         } catch (ProcessInitException e) {
-            Log.i(TAG, "Cannot load content_browsertests:" +  e);
+            Log.e(TAG, "Cannot load content_browsertests.", e);
             System.exit(-1);
         }
         BrowserStartupController.get(getApplicationContext(), LibraryProcessType.PROCESS_BROWSER)
@@ -55,21 +48,5 @@ public class ContentBrowserTestsActivity extends Activity {
         wind.addFlags(WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD);
         wind.addFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED);
         wind.addFlags(WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON);
-
-        new Handler().post(new Runnable() {
-            @Override
-            public void run() {
-                Log.i(TAG, "Running tests");
-                runTests();
-                Log.i(TAG, "Tests finished.");
-                finish();
-            }
-        });
     }
-
-    private void runTests() {
-        nativeRunTests(getFilesDir().getAbsolutePath(), getApplicationContext());
-    }
-
-    private native void nativeRunTests(String filesDir, Context appContext);
 }