[Blimp] Refactor Blimp test engine with embedded test server and URL rewriting

blimp/engine/testing/app/blimp_browser_testing_main_parts.cc

-// Copyright 2015 The Chromium Authors. All rights reserved.
+// Copyright 2016 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 "blimp/engine/app/blimp_browser_main_parts.h"
+#include "blimp/engine/testing/app/blimp_browser_testing_main_parts.h"
 
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/memory/ptr_util.h"
 #include "base/threading/thread_restrictions.h"
 #include "blimp/common/proto/blimp_message.pb.h"
 #include "blimp/engine/app/blimp_engine_config.h"
 #include "blimp/engine/app/settings_manager.h"
 #include "blimp/engine/common/blimp_browser_context.h"
 #include "blimp/engine/feature/geolocation/blimp_location_provider.h"
 #include "blimp/engine/session/blimp_engine_session.h"
+#include "blimp/engine/testing/session/blimp_engine_testing_session.h"
 #include "blimp/net/blimp_connection.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/common/main_function_params.h"
 #include "net/base/net_module.h"
 #include "net/log/net_log.h"
 
 namespace blimp {
 namespace engine {
 
-BlimpBrowserMainParts::BlimpBrowserMainParts(
-    const content::MainFunctionParams& parameters) {}
+BlimpBrowserTestingMainParts::BlimpBrowserTestingMainParts(
+    const content::MainFunctionParams& parameters)
+    : BlimpBrowserMainParts(parameters){};
 
-BlimpBrowserMainParts::~BlimpBrowserMainParts() {}
-
-void BlimpBrowserMainParts::PreEarlyInitialization() {
+void BlimpBrowserTestingMainParts::PreEarlyInitialization() {
   // Fetch the engine config from the command line, and crash if invalid. Allow
   // IO operations even though this is not in the FILE thread as this is
   // necessary for Blimp startup and occurs before any user interaction.
   {
     const base::CommandLine* cmd_line = base::CommandLine::ForCurrentProcess();
     base::ThreadRestrictions::ScopedAllowIO allow_io;
     engine_config_ = BlimpEngineConfig::Create(*cmd_line);
     CHECK(engine_config_);
   }
 }
 
-void BlimpBrowserMainParts::PreMainMessageLoopRun() {
+void BlimpBrowserTestingMainParts::PreMainMessageLoopRun() {
   net_log_.reset(new net::NetLog());
   settings_manager_.reset(new SettingsManager);
   std::unique_ptr<BlimpBrowserContext> browser_context(
       new BlimpBrowserContext(false, net_log_.get()));
-  engine_session_.reset(
-      new BlimpEngineSession(std::move(browser_context), net_log_.get(),
-                             engine_config_.get(), settings_manager_.get()));
+  engine_session_.reset(new BlimpEngineTestingSession(
+      std::move(browser_context), net_log_.get(), engine_config_.get(),
+      settings_manager_.get()));
   engine_session_->Initialize();
-}
-
-void BlimpBrowserMainParts::PostMainMessageLoopRun() {
-  engine_session_.reset();
-}
-
-BlimpBrowserContext* BlimpBrowserMainParts::GetBrowserContext() {
-  return engine_session_->browser_context();
-}
-
-SettingsManager* BlimpBrowserMainParts::GetSettingsManager() {
-  return settings_manager_.get();
-}
-
-BlobChannelSender* BlimpBrowserMainParts::GetBlobChannelSender() {
-  return engine_session_->blob_channel_sender();
-}
-
-BlobChannelService* BlimpBrowserMainParts::GetBlobChannelService() {
-  return engine_session_->GetBlobChannelService();
-}
-
-BlimpEngineSession* BlimpBrowserMainParts::GetBlimpEngineSession() {
-  return engine_session_.get();
+  BlimpBrowserMainParts::SetSettingsManagerForTesting(
+      std::move(settings_manager_));
+  BlimpBrowserMainParts::SetEngineSessionForTesting(std::move(engine_session_));
 }
 
 }  // namespace engine
 }  // namespace blimp