Remove PrerenderLocalPredictor, part 1.

chrome/browser/prerender/prerender_browsertest.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 <deque>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/files/file_path.h"
@@ skipping 1104 matching lines @@
     base::FilePath app_dir;
     PathService::Get(chrome::DIR_APP, &app_dir);
     command_line->AppendSwitchPath(
         switches::kExtraPluginDir,
         app_dir.Append(FILE_PATH_LITERAL("plugins")));
 #endif
     command_line->AppendSwitch(switches::kAlwaysAuthorizePlugins);
     command_line->AppendSwitch(switches::kEnableNpapi);
   }
 
-  void SetPreference(NetworkPredictionOptions value) {
-    browser()->profile()->GetPrefs()->SetInteger(
-        prefs::kNetworkPredictionOptions, value);
-  }
-
-  // Verifies whether ShouldDisableLocalPredictorDueToPreferencesAndNetwork
-  // produces the desired output.
-  void TestShouldDisableLocalPredictorPreferenceNetworkMatrix(
-      bool preference_wifi_network_wifi,
-      bool preference_wifi_network_4g,
-      bool preference_always_network_wifi,
-      bool preference_always_network_4g,
-      bool preference_never_network_wifi,
-      bool preference_never_network_4g) {
-    Profile* profile = browser()->profile();
-
-    // Set real NetworkChangeNotifier singleton aside.
-    scoped_ptr<NetworkChangeNotifier::DisableForTest> disable_for_test(
-        new NetworkChangeNotifier::DisableForTest);
-
-    // Set preference to WIFI_ONLY: prefetch when not on cellular.
-    SetPreference(NetworkPredictionOptions::NETWORK_PREDICTION_WIFI_ONLY);
-    {
-      scoped_ptr<NetworkChangeNotifier> mock(new MockNetworkChangeNotifierWIFI);
-      EXPECT_EQ(
-          ShouldDisableLocalPredictorDueToPreferencesAndNetwork(profile),
-          preference_wifi_network_wifi);
-    }
-    {
-      scoped_ptr<NetworkChangeNotifier> mock(new MockNetworkChangeNotifier4G);
-      EXPECT_EQ(
-          ShouldDisableLocalPredictorDueToPreferencesAndNetwork(profile),
-          preference_wifi_network_4g);
-    }
-
-    // Set preference to ALWAYS: always prefetch.
-    SetPreference(NetworkPredictionOptions::NETWORK_PREDICTION_ALWAYS);
-    {
-      scoped_ptr<NetworkChangeNotifier> mock(new MockNetworkChangeNotifierWIFI);
-      EXPECT_EQ(
-          ShouldDisableLocalPredictorDueToPreferencesAndNetwork(profile),
-          preference_always_network_wifi);
-    }
-    {
-      scoped_ptr<NetworkChangeNotifier> mock(new MockNetworkChangeNotifier4G);
-      EXPECT_EQ(
-          ShouldDisableLocalPredictorDueToPreferencesAndNetwork(profile),
-          preference_always_network_4g);
-    }
-
-    // Set preference to NEVER: never prefetch.
-    SetPreference(NetworkPredictionOptions::NETWORK_PREDICTION_NEVER);
-    {
-      scoped_ptr<NetworkChangeNotifier> mock(new MockNetworkChangeNotifierWIFI);
-      EXPECT_EQ(
-          ShouldDisableLocalPredictorDueToPreferencesAndNetwork(profile),
-          preference_never_network_wifi);
-    }
-    {
-      scoped_ptr<NetworkChangeNotifier> mock(new MockNetworkChangeNotifier4G);
-      EXPECT_EQ(
-          ShouldDisableLocalPredictorDueToPreferencesAndNetwork(profile),
-          preference_never_network_4g);
-    }
-  }
-
   void SetUpOnMainThread() override {
     current_browser()->profile()->GetPrefs()->SetBoolean(
         prefs::kPromptForDownload, false);
     IncreasePrerenderMemory();
     if (autostart_test_server_)
       ASSERT_TRUE(test_server()->Start());
     ChromeResourceDispatcherHostDelegate::
         SetExternalProtocolHandlerDelegateForTesting(
             &external_protocol_handler_delegate_);
 
@@ skipping 2936 matching lines @@
   prerender->contents()->set_skip_final_checks(true);
 
   // Navigate to the URL entered.
   omnibox_view->model()->AcceptInput(CURRENT_TAB, false);
 
   // Prerender should be running, but abandoned.
   EXPECT_TRUE(
       GetAutocompleteActionPredictor()->IsPrerenderAbandonedForTesting());
 }
 
-// Prefetch should be allowed depending on preference and network type.
-// This test is for the bsae case: no Finch overrides should never disable.
-IN_PROC_BROWSER_TEST_F(PrerenderBrowserTest,
-                       LocalPredictorDisableWorksBaseCase) {
-  TestShouldDisableLocalPredictorPreferenceNetworkMatrix(
-      false /*preference_wifi_network_wifi*/,
-      false /*preference_wifi_network_4g*/,
-      false /*preference_always_network_wifi*/,
-      false /*preference_always_network_4g*/,
-      false /*preference_never_network_wifi*/,
-      false /*preference_never_network_4g*/);
-}
-
 }  // namespace prerender