[Android] Refactor the native test wrappers.

testing/android/native_test/java/src/org/chromium/native_test/NativeTestActivity.java

Index: testing/android/native_test/java/src/org/chromium/native_test/NativeTestActivity.java
diff --git a/testing/android/native_test/java/src/org/chromium/native_test/NativeTestActivity.java b/testing/android/native_test/java/src/org/chromium/native_test/NativeTestActivity.java
index e8c4055722fb6f6fd4b9134ff38765ccd94c1d61..46a490b3c68da041290c5836f9aa1d1c1c902fb5 100644
--- a/testing/android/native_test/java/src/org/chromium/native_test/NativeTestActivity.java
+++ b/testing/android/native_test/java/src/org/chromium/native_test/NativeTestActivity.java
@@ -6,16 +6,14 @@ package org.chromium.native_test;
 
 import android.app.Activity;
 import android.content.Context;
+import android.content.Intent;
 import android.os.Bundle;
 import android.os.Environment;
 import android.os.Handler;
 
 import org.chromium.base.CommandLine;
+import org.chromium.base.JNINamespace;
 import org.chromium.base.Log;
-import org.chromium.base.PathUtils;
-import org.chromium.base.PowerMonitor;
-import org.chromium.base.ResourceExtractor;
-import org.chromium.base.library_loader.NativeLibraries;
 
 import java.io.File;
 
@@ -24,6 +22,7 @@ import java.io.File;
  *  Our tests need to go up to our own java classes, which is not possible using
  *  the native activity class loader.
  */
+@JNINamespace("testing::android")
 public class NativeTestActivity extends Activity {
     public static final String EXTRA_COMMAND_LINE_FILE =
             "org.chromium.native_test.NativeTestActivity.CommandLineFile";
@@ -37,25 +36,54 @@ public class NativeTestActivity extends Activity {
     // We post a delayed task to run tests so that we do not block onCreate().
     private static final long RUN_TESTS_DELAY_IN_MS = 300;
 
+    private String mCommandLineFilePath;
+    private StringBuilder mCommandLineFlags = new StringBuilder();
+    private boolean mRunInSubThread = false;
+    private boolean mStdoutFifo = false;
+    private String mStdoutFilePath;
+
     @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         CommandLine.init(new String[]{});
 
-        // Needed by path_utils_unittest.cc
-        PathUtils.setPrivateDataDirectorySuffix("chrome", getApplicationContext());
+        parseArgumentsFromIntent(getIntent());
+    }
+
+    private void parseArgumentsFromIntent(Intent intent) {
+        mCommandLineFilePath = intent.getStringExtra(EXTRA_COMMAND_LINE_FILE);
+        if (mCommandLineFilePath == null) {
+            mCommandLineFilePath = "";
+        } else {
+            File commandLineFile = new File(mCommandLineFilePath);
+            if (!commandLineFile.isAbsolute()) {
+                mCommandLineFilePath = Environment.getExternalStorageDirectory() + "/"
+                        + mCommandLineFilePath;
+            }
+            Log.i(TAG, "command line file path: %s", mCommandLineFilePath);
+        }
 
-        ResourceExtractor resourceExtractor = ResourceExtractor.get(getApplicationContext());
-        resourceExtractor.setExtractAllPaksAndV8SnapshotForTesting();
-        resourceExtractor.startExtractingResources();
-        resourceExtractor.waitForCompletion();
+        String commandLineFlags = intent.getStringExtra(EXTRA_COMMAND_LINE_FLAGS);
+        if (commandLineFlags != null) mCommandLineFlags.append(commandLineFlags);
 
-        // Needed by system_monitor_unittest.cc
-        PowerMonitor.createForTests(this);
+        mRunInSubThread = intent.hasExtra(EXTRA_RUN_IN_SUB_THREAD);
 
-        loadLibraries();
-        Bundle extras = this.getIntent().getExtras();
-        if (extras != null && extras.containsKey(EXTRA_RUN_IN_SUB_THREAD)) {
+        mStdoutFilePath = intent.getStringExtra(EXTRA_STDOUT_FILE);
+        if (mStdoutFilePath == null) {
+            mStdoutFilePath = new File(getFilesDir(), "test.fifo").getAbsolutePath();
+            mStdoutFifo = true;
+        }
+    }
+
+    protected void appendCommandLineFlags(String flags) {
+        mCommandLineFlags.append(" ").append(flags);
+    }
+
+    @Override
+    public void onStart() {
+        super.onStart();
+
+        if (mRunInSubThread) {
             // Create a new thread and run tests on it.
             new Thread() {
                 @Override
@@ -76,31 +104,8 @@ public class NativeTestActivity extends Activity {
     }
 
     private void runTests() {
-        String commandLineFlags = getIntent().getStringExtra(EXTRA_COMMAND_LINE_FLAGS);
-        if (commandLineFlags == null) commandLineFlags = "";
-
-        String commandLineFilePath = getIntent().getStringExtra(EXTRA_COMMAND_LINE_FILE);
-        if (commandLineFilePath == null) {
-            commandLineFilePath = "";
-        } else {
-            File commandLineFile = new File(commandLineFilePath);
-            if (!commandLineFile.isAbsolute()) {
-                commandLineFilePath = Environment.getExternalStorageDirectory() + "/"
-                        + commandLineFilePath;
-            }
-            Log.i(TAG, "command line file path: %s", commandLineFilePath);
-        }
-
-        String stdoutFilePath = getIntent().getStringExtra(EXTRA_STDOUT_FILE);
-        boolean stdoutFifo = false;
-        if (stdoutFilePath == null) {
-            stdoutFilePath = new File(getFilesDir(), "test.fifo").getAbsolutePath();
-            stdoutFifo = true;
-        }
-
-        // This directory is used by build/android/pylib/test_package_apk.py.
-        nativeRunTests(commandLineFlags, commandLineFilePath, stdoutFilePath, stdoutFifo,
-                getApplicationContext());
+        nativeRunTests(mCommandLineFlags.toString(), mCommandLineFilePath, mStdoutFilePath,
+                mStdoutFifo, getApplicationContext());
         finish();
     }
 
@@ -111,14 +116,6 @@ public class NativeTestActivity extends Activity {
         Log.e(TAG, "[ RUNNER_FAILED ] could not load native library");
     }
 
-    private void loadLibraries() {
-        for (String library : NativeLibraries.LIBRARIES) {
-            Log.i(TAG, "loading: %s", library);
-            System.loadLibrary(library);
-            Log.i(TAG, "loaded: %s", library);
-        }
-    }
-
     private native void nativeRunTests(String commandLineFlags, String commandLineFilePath,
             String stdoutFilePath, boolean stdoutFifo, Context appContext);
 }