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

blimp/engine/app/blimp_engine_config.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_ENGINE_CONFIG_H_
 #define BLIMP_ENGINE_APP_BLIMP_ENGINE_CONFIG_H_
 
 #include <memory>
 #include <string>
 
 #include "base/macros.h"
 
 namespace base {
 class CommandLine;
 }  // namespace base
 
 namespace blimp {
 namespace engine {
 
+// Set internal command line switches for Blimp engine.
+void SetCommandLineDefaults(base::CommandLine* command_line);
+
 // Class to hold all of the configuration bits necessary for the Blimp engine.
 //
 // The BlimpEngineConfig class is initialized from parameters provided on the
 // command line. For the switches to pass verification:
 //   * A client token filepath must be provided and the file must have a
 //     non-empty token.
 //
 // The BlimpEngineConfig object is intended to live as long as the engine is
 // running. It should also be one of the first things to be set up.
 class BlimpEngineConfig {
@@ skipping 19 matching lines @@
 
   const std::string client_token_;
 
   DISALLOW_COPY_AND_ASSIGN(BlimpEngineConfig);
 };
 
 }  // namespace engine
 }  // namespace blimp
 
 #endif  // BLIMP_ENGINE_APP_BLIMP_ENGINE_CONFIG_H_