Run ContentMain in a browser_test's browser process. This removes duplication of code in the browse…

chrome/browser/extensions/api/socket/socket_apitest.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.
 
 #include "base/memory/ref_counted.h"
 #include "base/path_service.h"
 #include "base/strings/stringprintf.h"
 #include "chrome/browser/extensions/api/dns/host_resolver_wrapper.h"
 #include "chrome/browser/extensions/api/dns/mock_host_resolver_creator.h"
 #include "chrome/browser/extensions/extension_apitest.h"
@@ skipping 55 matching lines @@
   virtual ~SocketPpapiTest() {
   }
 
   virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE {
     SocketApiTest::SetUpCommandLine(command_line);
     // TODO(yzshen): It is better to use switches::kEnablePepperTesting.
     // However, that requires adding a new DEPS entry. Considering that we are
     // going to move the Pepper API tests to a new place, use a string literal
     // for now.
     command_line->AppendSwitch("enable-pepper-testing");
+  }
+
+  virtual void SetUpOnMainThread() OVERRIDE {
+    SocketApiTest::SetUpOnMainThread();
 
     PathService::Get(chrome::DIR_GEN_TEST_DATA, &app_dir_);
     app_dir_ = app_dir_.AppendASCII("ppapi/tests/extensions/socket/newlib");
   }
 
  protected:
   void LaunchTestingApp() {
     const Extension* extension = LoadExtension(app_dir_);
     ASSERT_TRUE(extension);
 
@@ skipping 262 matching lines @@
 
   LaunchTestingApp();
 
   EXPECT_TRUE(listener.WaitUntilSatisfied());
   listener.Reply(
       base::StringPrintf("multicast:%s:%d", kHostname.c_str(), kPort));
 
   EXPECT_TRUE(catcher.GetNextResult()) << catcher.message();
 }
 #endif