Android: Add some required commmandline flags for running content_browsertests.

content/shell/android/browsertests_apk/content_browser_tests_android.cc

 // Copyright (c) 2012 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.
 
 // This class sets up the environment for running the content browser tests
 // inside an android application.
 
 #include <android/log.h>
 
 #include "base/android/base_jni_registrar.h"
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
 #include "base/android/scoped_java_ref.h"
 #include "base/base_switches.h"
 #include "base/command_line.h"
 #include "base/file_util.h"
 #include "base/files/file_path.h"
 #include "base/logging.h"
 #include "base/string_util.h"
 #include "base/stringprintf.h"
 #include "base/strings/string_tokenizer.h"
 #include "content/public/app/android_library_loader_hooks.h"
 #include "content/public/app/content_main.h"
+#include "content/public/common/content_switches.h"
+#include "content/public/test/test_launcher.h"
 #include "content/shell/android/shell_jni_registrar.h"
 #include "content/shell/shell_main_delegate.h"
 #include "content/test/browser_test_message_pump_android.h"
 #include "jni/ContentBrowserTestsActivity_jni.h"
 #include "testing/android/native_test_util.h"
 
 using testing::native_test_util::ArgsToArgv;
 using testing::native_test_util::CreateFIFO;
 using testing::native_test_util::ParseArgsFromCommandLineFile;
 using testing::native_test_util::RedirectStream;
@@ skipping 28 matching lines @@
   base::android::InitApplicationContext(scoped_context);
   base::android::RegisterJni(env);
 
   std::vector<std::string> args;
   ParseArgsFromCommandLineFile(kCommandLineFilePath, &args);
 
   std::vector<char*> argv;
   int argc = ArgsToArgv(args, &argv);
 
   // Fully initialize command line with arguments.
-  CommandLine::ForCurrentProcess()->AppendArguments(
-      CommandLine(argc, &argv[0]), false);
+  CommandLine* command_line = CommandLine::ForCurrentProcess();
+  command_line->AppendArguments(CommandLine(argc, &argv[0]), false);
+
+  // Append required switches.
+  command_line->AppendSwitch(content::kSingleProcessTestsFlag);
+  command_line->AppendSwitch(switches::kUseFakeDeviceForMediaStream);
 
   // Create fifo and redirect stdout and stderr to it.
   base::FilePath files_dir(
       base::android::ConvertJavaStringToUTF8(env, jfiles_dir));
   base::FilePath fifo_path(files_dir.Append(base::FilePath("test.fifo")));
   CreateFIFO(fifo_path.value().c_str());
   RedirectStream(stdout, fifo_path.value().c_str(), "w");
   dup2(STDOUT_FILENO, STDERR_FILENO);
 
   ScopedMainEntryLogger scoped_main_entry_logger;
@@ skipping 14 matching lines @@
 
   if (!content::BrowserTestMessagePumpAndroid::RegisterJni(env))
     return -1;
 
   if (!content::RegisterNativesImpl(env))
     return -1;
 
   content::SetContentMainDelegate(new content::ShellMainDelegate());
   return JNI_VERSION_1_4;
 }