[Blimp] Adds blimp engine browser test framework and LoadUrl test.

blimp/engine/app/blimp_browser_main_parts.h

 // 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.
 
 #ifndef BLIMP_ENGINE_APP_BLIMP_BROWSER_MAIN_PARTS_H_
 #define BLIMP_ENGINE_APP_BLIMP_BROWSER_MAIN_PARTS_H_
 
 #include <memory>
 
 #include "base/macros.h"
@@ skipping 21 matching lines @@
   explicit BlimpBrowserMainParts(const content::MainFunctionParams& parameters);
   ~BlimpBrowserMainParts() override;
 
   // content::BrowserMainParts implementation.
   void PreEarlyInitialization() override;
   void PreMainMessageLoopRun() override;
   void PostMainMessageLoopRun() override;
 
   BlimpBrowserContext* GetBrowserContext();
   SettingsManager* GetSettingsManager();
+  BlimpEngineSession* GetBlimpEngineSession();
 
  private:
   std::unique_ptr<BlimpEngineConfig> engine_config_;
   std::unique_ptr<net::NetLog> net_log_;
   std::unique_ptr<SettingsManager> settings_manager_;
   std::unique_ptr<BlimpEngineSession> engine_session_;
 
   DISALLOW_COPY_AND_ASSIGN(BlimpBrowserMainParts);
 };
 
 }  // namespace engine
 }  // namespace blimp
 
 #endif  // BLIMP_ENGINE_APP_BLIMP_BROWSER_MAIN_PARTS_H_