[Android WebView] Forbid launching of two browser processes in the app

android_webview/test/shell/src/org/chromium/android_webview/test/SecondBrowserProcess.java

Index: android_webview/test/shell/src/org/chromium/android_webview/test/SecondBrowserProcess.java
diff --git a/android_webview/test/shell/src/org/chromium/android_webview/test/SecondBrowserProcess.java b/android_webview/test/shell/src/org/chromium/android_webview/test/SecondBrowserProcess.java
new file mode 100644
index 0000000000000000000000000000000000000000..14c19e521c3e286e3e73a07ddc0560358eca36fb
--- /dev/null
+++ b/android_webview/test/shell/src/org/chromium/android_webview/test/SecondBrowserProcess.java
@@ -0,0 +1,62 @@
+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package org.chromium.android_webview.test;
+
+import android.app.Service;
+import android.content.Intent;
+import android.os.Binder;
+import android.os.IBinder;
+import android.os.Parcel;
+import android.os.Process;
+
+import org.chromium.android_webview.AwBrowserProcess;
+import org.chromium.android_webview.AwResource;
+import org.chromium.android_webview.shell.R;
+import org.chromium.base.CommandLine;
+import org.chromium.base.annotations.SuppressFBWarnings;
+
+/**
+ * This is a service for imitating a second browser process in the application.
+ */
+public class SecondBrowserProcess extends Service {
+    public static final int CODE_START = IBinder.FIRST_CALL_TRANSACTION;
+
+    private IBinder mBinder = new Binder() {
+        @Override
+        protected boolean onTransact(int code, Parcel data, Parcel reply, int flags) {
+            switch (code) {
+                case CODE_START:
+                    reply.writeNoException();
+                    try {
+                        startBrowserProcess();
+                        reply.writeInt(Process.myPid());
+                    } catch (Exception e) {
+                        reply.writeInt(0);
+                    }
+                    return true;
+            }
+            return false;
+        }
+    };
+
+    @Override
+    public IBinder onBind(Intent intent) {
+        return mBinder;
+    }
+
+    @Override
+    public int onStartCommand(Intent intent, int flags, int startId) {
+        return START_STICKY;
+    }
+
+    @SuppressFBWarnings("DMI_HARDCODED_ABSOLUTE_FILENAME")
+    private void startBrowserProcess() throws Exception {
+        CommandLine.initFromFile("/data/local/tmp/android-webview-command-line");
+        AwResource.setResources(this.getResources());
+        AwResource.setConfigKeySystemUuidMapping(R.array.config_key_system_uuid_mapping);
+        AwBrowserProcess.loadLibrary(this);
+        AwBrowserProcess.start(this);
+    }
+}