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

chrome/browser/extensions/app_background_page_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/path_service.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/background/background_contents_service.h"
 #include "chrome/browser/background/background_contents_service_factory.h"
 #include "chrome/browser/background/background_mode_manager.h"
@@ skipping 103 matching lines @@
   base::ScopedTempDir app_dir_;
 };
 
 namespace {
 
 // Fixture to assist in testing v2 app background pages containing
 // Native Client embeds.
 class AppBackgroundPageNaClTest : public AppBackgroundPageApiTest {
  public:
   AppBackgroundPageNaClTest()
-      : extension_(NULL) {
-    PathService::Get(chrome::DIR_GEN_TEST_DATA, &app_dir_);
-    app_dir_ = app_dir_.AppendASCII(
-        "ppapi/tests/extensions/background_keepalive/newlib");
-  }
+      : extension_(NULL) {}
   virtual ~AppBackgroundPageNaClTest() {
   }
 
   virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE {
     AppBackgroundPageApiTest::SetUpCommandLine(command_line);
     command_line->AppendSwitchASCII(
         switches::kPpapiKeepAliveThrottle, "50");
     command_line->AppendSwitchASCII(
         extensions::switches::kEventPageIdleTime, "1000");
     command_line->AppendSwitchASCII(
         extensions::switches::kEventPageSuspendingTime, "1000");
   }
 
   const Extension* extension() { return extension_; }
 
  protected:
   void LaunchTestingApp() {
-    extension_ = LoadExtension(app_dir_);
+    base::FilePath app_dir;
+    PathService::Get(chrome::DIR_GEN_TEST_DATA, &app_dir);
+    app_dir = app_dir.AppendASCII(
+        "ppapi/tests/extensions/background_keepalive/newlib");    
+    extension_ = LoadExtension(app_dir);
     ASSERT_TRUE(extension_);
   }
 
  private:
-  base::FilePath app_dir_;
   const Extension* extension_;
 };
 
 // Produces an extensions::ProcessManager::ImpulseCallbackForTesting callback
 // that will match a specified goal and can be waited on.
 class ImpulseCallbackCounter {
  public:
   explicit ImpulseCallbackCounter(extensions::ProcessManager* manager,
                                   const std::string& extension_id)
       : observed_(0),
@@ skipping 476 matching lines @@
     extensions::ExtensionSystem::Get(browser()->profile())->process_manager();
   ImpulseCallbackCounter idle_impulse_counter(manager, extension()->id());
   EXPECT_TRUE(nacl_modules_loaded.WaitUntilSatisfied());
 
   manager->SetKeepaliveImpulseDecrementCallbackForTesting(
       idle_impulse_counter.SetGoalAndGetCallback(1));
   nacl_modules_loaded.Reply("be idle");
   idle_impulse_counter.Wait();
 }